TABLE OF CONTENTS
Use of this manual ...........................................................................................2
Safety Guidelines ........................................................................................ 2-3
Warranty ...................................................................................................... 3-5
Specifications ..................................................................................................6
Contents .........................................................................................................7
Charging Gas ..................................................................................................7
Discharging Gas ..............................................................................................8
Loading BBs ................................................................................................ 8-9
Loading Magazine .........................................................................................10
Fire Selector Switch.......................................................................................11
Hop-Up System .......................................................................................11-12
Front and Rear Sight Adjustment .................................................................13
Disassembly ..................................................................................................14
Cleaning .................................................................................................. 15-16
Troubleshooting ............................................................................................17
Operating Under Unusual Conditions ............................................................17
Diagram and Parts Lists ......................................................................... 18-22
LM4 PTR
1
USE OF THIS MANUALBefore operating the Airsoft gun, read this manual in its entirety. Important safety topics and tips are discussed throughout all of the chapters. It’s important that the operator knows the principles of gun handling safety and operation prior to firing the Airsoft gun.
SAFETY GUIDELINES
WARNING! Failure to follow safety guidelines may result in serious injury.
Safety DistanceThe effective shooting range is approximately 175 feet. BBs fired from this Airsoft gun may travel further than intended. Make certain that you have an adequate backstop.
Eye ProtectionEye protection should be worn at all times when both shooting and maintaining your Airsoft gun. Protect your eyes from BBs under pressure while performing maintenance on your Airsoft gun.
Assume Every Gun is Always LoadedUntil you are certain the chamber is empty, treat every gun as if it were loaded. Do not assume the chamber is empty based on your memory or someone else’s words. Always remove the magazine and visually check to confirm the chamber is empty.
Beware of Barrel ObstructionsEnsure the Airsoft gun barrel is free of obstructions before you fire the gun. Even the smallest obstruction such as dirt, dust or a stuck cleaning patch can cause a jam, misfire or malfunction.
Muzzle ControlAlways keep the muzzle of the gun pointed in a safe direction. Never point the muzzle at a person or object that you do not intend to shoot.
Keep Your Safety OnKeep the gun’s safety on until your sights are aligned on your target and you are ready to fire.
Keep Your Finger Off The TriggerKeep your finger off the trigger and out of the trigger guard until your sights are aligned on your target and you are ready to fire.
WARNING! Airsoft BBs can be a choking hazard. Keep them away from children.
!
!
2
SAFETY GUIDELINES
Identify Your Target and BackstopBefore you pull the trigger, make certain of your target and what is beyond it. The Airsoft gun should never be fired at surfaces such as rocks, glass, water, or other hard surfaces where BBs are likely to ricochet in unpredictable directions.
WARNING! Adult supervision is required for any person under the age of 18.
Failure To FireIf the Airsoft gun fails to fire, misfires, or malfunctions, do not look into the gun barrel. BBs can become lodged into the chamber, and serious eye injury may occur.
Maintain Your Gun ProperlyPerforming proper maintenance, as outlined in this manual, ensures that your Airsoft gun will be safe to shoot and will perform to its designed specifications for many years. Alterations, modifications or adjustments may damage your Airsoft gun, make it unsafe to shoot, and will void all warranty claims.
Store Your Gun SafelyAlways store the Airsoft gun in a safe place, and out of the reach of children. Always transport the Airsoft gun in a carrying case. Never display the Airsoft gun in a public place. Keep the safety engaged, and remove the magazine before storing the Airsoft gun. Note: it is your responsibility to take every reasonable precaution to ensure the safe storage and transportation of your Airsoft gun.
Orange TipThe orange tip on Airsoft guns helps Law Enforcement distinguish between the replica guns from their real firearm counterparts. Altering the coloration or markings required by state or Federal law so as to make the product look more like a firearm is dangerous and may be a crime. Operator assumes all risks and responsibility when doing so.
Hazards of Being Mistaken for a Real FirearmAirsoft guns have been mistaken by Police and Law Enforcement as real firearms. A confrontation with law enforcement while carrying an Airsoft gun can result in serious injury or even death. It is strongly advised to operate the Airsoft gun at a safe and legal location. In the event that you are approached by Law Enforcement personnel, you must comply with their instructions immediately to avoid an incident.
Alcohol, Medications and DrugsDo not handle or operate your Airsoft gun while under the influence of alcohol, medication or drugs.
Your ResponsibilityYour Airsoft gun is well-engineered and manufactured to the highest standards. It was carefully inspected before it was packaged and shipped from our factory. Its safe use depends on you alone. You are the ultimate safety device. Like many other devices, your Airsoft gun is safe unless handled in an irresponsible or uneducated manner.
!
LM4 PTR
3
WARRANTY AND SERVICE
KWA Performance Industries, Inc. is committed to serve our customers with the finest quality products, the highest level of service, and customer satisfaction. Because of this, we offer a 45-day warranty on all KWA products we import and distribute.
What is CoveredExcept as specified below, this warranty covers all defects in material and workmanship in KWA products occurring during the above warranty periods. The following are not covered by the warranty: (1) Any product which is not imported and distributed in the U.S.A. by KWA PErfOrMANcE INDUSTrIES, INc. (2) Any products not purchased in the U.S.A. from an KWA AUTHOrIZED rESELLEr (Note: KWA AUTHOrIZED rESELLEr can be identified by KWA AUTHORIZED RESELLER sticker displayed in the store. If you are uncertain as to whether a dealer is a KWA AUTHOrIZED rESELLEr, please contact KWA PErfOrMANcE INDUSTrIES, INc. as listed above). (3) Damaged deterioration or malfunction resulting from: a) Accident, act of nature, abuse, misuse, neglect, unauthorized product repair, opening of or modification or failure to follow instructions supplied with the product. b) repair or attempted repair by anyone not authorized by KWA PErfOrMANcE INDUSTrIES, INc. c) removal of the orange safety tip. (4) Use of the product outside the U.S.A. (5) Damaged batteries or improper use of bullets (BBs), or non approved propellants (ie. Propane, red Gas, 134a…etc.) (6) Use in industrial, commercial, and/or professional applications.
What KWA Will Pay ForIf during the applicable warranty period from the date of the original purchase your KWA product is found to be defective by KWA Performance Industries, Inc., KWA Performance Industries, Inc. will repair, or at its option, replace with new, used, or equivalent model, the defective product without charge for parts or labor.
How To Obtain Warranty ServiceIf your product needs service, it may be taken or shipped to KWA Performance Industries, Inc. The following procedures apply whenever your unit must be transported for warranty service:
• You must go to Help Desk at www.kwausa.com/support to obtain an RMA number. THE rMA NUMBEr MUST BE cLEArLY MArKED ON THE OUTSIDE Of THE PAcKAGE. PAcKAGES WITHOUT AN rMA NUMBEr cLEArLY MArKED WILL BE rEfUSED AND rETUrNED TO THE SENDEr.
• You are responsible for transporting your unit or arranging for its transportation.
• If shipment of your unit is required; you must pay the initial shipping fee, but we will pay the return shipping charge if the repairs are covered by the warranty.
• WHEN RETURNING YOUR UNIT FOR WARRANTY SERVICE, A COPY OF THE OrIGINAL SALES rEcEIPT MUST BE ATTAcHED.
• You must include the following: RMA number, your name, address, daytime telephone number, model and serial number (if applicable) of the product and a description of the problem.
4
NOTE: THE rMA NUMBEr MUST BE cLEArLY MArKED ON THE OUTSIDE Of THE PAcKAGE. PAcKAGES WITHOUT AN rMA NUMBEr cLEArLY MArKED WILL BE rEfUSED AND rETUrNED TO SENDEr. NO EXcEPTIONS.
This Warranty is Only Valid in the United StatesIf your product does not require service, but you have questions regarding its operation, please contact our Technical Services Department as listed below.
THIS WArrANTY IS EXPrESSLY MADE IN LIEU Of ALL OTHEr WArrANTIES, EXPrESSED Or IMPLIED, INcLUDING WITHOUT LIMITATION, WArrANTIES Of MErcHANTABILITY AND fITNESS fOr A PArTIcULAr PUrPOSE.
OUr LIABILITY IS LIMITED TO THE rEPAIr Or rEPLAcEMENT, AT OUr OPTION, OF ANY DEFECTIVE PRODUCT AND SHALL IN NO EVENT INCLUDE INCIDENTAL OR cONSEQUENTIAL cOMMErcIAL Or PrOPErTY DAMAGES Of ANY KIND. WE ArE NOT rESPONSIBLE fOr PrODUcTS LOST, STOLEN AND/Or DAMAGED DUrING SHIPPING.
SOME STATES DO NOT ALLOW LIMITATIONS ON HOW LONG AND IMPLIED WArrANTY LASTS AND/Or DO NOT ALLOW THE EXcLUSION Of INcIDENTAL Or cONSEQUENTIAL DAMAGES, THE ABOVE LIMITATIONS AND EXCLUSIONS MAY NOT APPLY TO YOU.
This warranty gives you specific legal rights, but you may also have other rights which vary from state to state. This Warranty may not be altered other than in writing signed by an officer of KWA Performance Industries, Inc.
KWA Performance Industries, Inc.18571 E. Gale Ave.city of Industry, cA 91748-1339
626-581-1777
www.kwausa.com
LM4 PTR
5
SPECIFICATIONS
• Overall Length [Retracted] = 77.47 cm (30.5”) • Overall Length [Extended] = 85.73 cm (33.75”)• Outer Barrel Length =38.1 cm (15”)• Inner Barrel Length = 370 mm• Inner Barrel Diameter = 6.05 mm• Weight (without magazine) = 2.86 kg (6.30 lbs)• Barrel thread = 14 mm Negative• Caliber = 6 mm• Magazine Capacity = 30 rounds• Rate of Fire = 13+ RPS• Velocity = 118~125 MPS (390~410 FPS)*• Energy Output with 0.20g BB = 1.49 Joules• Gas System = Force Velocity• Power Source = Gas
*Individual test results may vary depending on brand of BBs, and chronograph used.
Special Features:
• Adjustable front and rear sights• Removable carry handle• Functional bolt release• 6 position collapsible stock• Adjustable Hop-Up• Semi and Full Auto select fire• Realistic construction & field stripping
6
CHARGING GAS
1. release the magazine by pressing the magazine release button.
2. Push the gas canister nozzle into the charging valve. Make sure the canister is in a vertical position when charging.
3. Charge the magazine for approximately 30-40 seconds.
WARNING: Avoid dropping the magazine. Sudden impact with a hard surface may cause damage to the magazine.
Note: It is normal to have minor leaking from the charging valve during charging due to high pressure built up inside the magazine. It is recommended to keep the gas release valve slightly oiled. room temperature is the ideal temperature for shooting. You may experience a delayed action if the surrounding temperature drops below 68º f.
Note: Do not expose the magazine to direct sunlight or incinerate the magazine, as this may cause the magazine to burst. It is strongly recommended to empty the gas from the magazine after shooting. Be certain that the gas does not make contact with eyes or skin while being released, as any contact will cause cold burns.
PACKAGE CONTENTS1 LM4 PTr
1 Safety cap
1 Sight Adjustment Tool
1 Hop-Up Adjustment Tool
1 cleaning rod
1 Owners Manual
1 Oil Bottle
!
2
SEMI
SAFEAUTO
ChargingValve
Magazine Release
Nozzle
Magazine
1
LM4 PTR
7
BB LOADING LM4 STANDARD MAGAzINE (40 ROUNDS)
OPTION ONE - USING STANDARD BB LOADER
1. release the magazine from the Airsoft gun by pressing the magazine release button.
2. fit the standard BB loader over the magazine feed lips.
3. Load the BBs into the BB loader.
4. Insert the plunger into the BB loader and push down to load BBs into the magazine.
WARNING: Do not overload the magazine.!
Green Gas safety tips:
• Check the canister for any cracks or leaks before using.• Do not expose the canister to temperature over 104º F.• Do not leave the canister directly over fire.• Do not heat the canister.• Keep the canister away from direct sunlight.• Do not leave the canister in any type of vehicle.
DISCHARGING GAS
Hold the magazine at the bottom. Press the valve. residual gas may now be discharged.
2
3
4
Press on valve
8
WARNING: Use only 6mm high grade BBs. Using low grade BBs will damage the Airsoft gun.
NOTE: Use 0.25g or heavier BBs for better performance.
OPTION TWO - USING KWA HIGH PERFORMANCE BB LOADER
1. release the magazine from the Airsoft gun by pressing the magazine release button.
2. Slide open the trap door on top of the BB loader. Fill the BB loader with BBs. *Do Not Overfill.
3. Slide open the accessory trap door and remove the LM4 attachment.
4. flip down the dust cover to reveal the loading nozzle.
5. Attach the LM4 attachment to the loading nozzle.
6. fit BB loader over the magazine feed lips.
7. Press on BB loader plunger to load BB into magazine.
BB LOADING LM4 STANDARD MAGAzINE (40 ROUNDS)
!
loadingnozzle LM4 attachment
9
LM4 PTR
2
3
4
5
67
LOADING MAGAzINE
1. Place the loaded magazine into the magazine well.
2. Lightly pull on the magazine to ensure it is locked in properly.
3. Pull the charging handle back to chamber the first round.
4. If the bolt is locked back, it can be released by pressing the bolt release button.
SEMI
SAFE
3
4
Magazine
Charging Handle
Bolt Release
1
WARNING: Never shoot gun in a horizontal or upside-down position.!
BASIC SAFETY TIPS:
• Keep the Airsoft gun pointed in a safe directly.• Keep the safety on until ready to shoot.• Keep your finger off the trigger at all times until ready to shoot.• Always be sure of your target and what is beyond it.• Do not store the gun with a loaded magazine.
10
HOP–UP SYSTEM
The Hop-Up device is one of KWA’s standard features, giving Airsoft BBs greater stability,further travel, and increased accuracy. Airsoft BBs are light-weight and can be affected bywind when fired. With the Hop-Up system, the trajectory of the Airsoft BBs can be adjusted according to the shooting environment or surroundings.
FIRE SELECTOR SWITCH
1. SafeIn Safe mode the gun will not fire. For safety reasons, you should keep the switch in Safe mode at all times when you are not ready to fire.
2. Semi-AutoIn Semi-Auto mode the gun will fire one shot for each time you squeeze the trigger.
3. Full AutoIn this Full Auto mode the gun will fire continuously as long as the trigger is depressed.
WARNING: Do not squeeze the trigger when switching the fire selector.
WARNING: Selector switch will not turn if the hammer is not cocked.
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SEMI
SAFE
SEMI
SAFE AUTO
SEMI
SAFE AUTO
11
LM4 PTR
HOP-UP ADJUSTMENT1. Test fire the gun to determine the amount of hopup needed
2. remove the Magazine
3. Pull the charging handle back to clear the chamber and to open the bolt cover.
4. Lock the bolt back by depressing the bottom of the bolt release button
5. Insert the hopup wrench into the chamber. -Turn the adjustment ring to the left or counter-clockwise to give the BB more
hop up. -If the BBs are climbing too high, move the adjustment ring to the right or
clockwise to lower the hopup.
6. Test fire and adjust as needed.
WARNING: Do not release the bolt with the wrench in the chamber. It can damage the cylinder and chamber.
HOP-UP ADJUSTMENT POINT
SLIGHTLY
PrOPErLY
OVERLY
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HOP UP EFFECTIVENESS ADJUSTMENTSBB TRAJECTORY PATTERN
NOTEFFECTIVE
TUrN KNOB TO LEfT
TUrN KNOB TO rIGHT
TUrN KNOB SLIGHTLY TO LEfT
NO ADJUSTMENT MADE
TUrN KNOB SLIGHTLY TO rIGHT
BB DrOPS frEELY
BB TRAVELS AT SHORT TRAJECTORY PATH
BB TRAVELS DISTANCE AT FLAT TRAJECTORY PATH
BB TRAVELS AT UNSTABLE SPEED AND IrrEGULAr PATH
BB TRAVELS FLAT IN SHORT DISTANCE, THEN GOES UP IN CURVE AND DROPS frEELY
EXTrEMELYEFFECTIVE
SLIGHTLY
PrOPErLY
OVERLY
More Hop
Less Hop
12
FRONT AND REAR SIGHT ADJUSTMENT
FRONT SIGHT ADJUSTMENT
• The front sight can be moved up and down when zeroing
• Turn counter clockwise to lower the point of Impact
• Stop turning when a click sound is heard
REAR SIGHT ADJUSTMENT• Flip the rear sight between general and precise aiming
• To adjust the horizontal point of impact, rotate the windage knob located on the rear of the sight
• To adjust the vertical point of impact, rotate the sight elevation knob located on the left and right side of the sight
WARNING! If turned too far, the front sight will come off.!
Rear Sight
Windage Knob
Sight Adjustment Tool
Rear Sight Assembly
Adjustment Knob
LargeAperture
UP DOWN
SmallAperture
Use this positionfor full auto firing
Turn Clockwise Turn Counter- Clockwise
Use this positionfor precision firing
The sight assembly is marked in millimeter for precise adjustments
LM4 PTR
13
DISASSEMBLYWARNING: Before removing any parts, be sure the fire selector is set to “SAFE”. Always place safety cap on the barrel tip when servicing your gun.
1. remove magazine.
2. charge the bolt to reset the hammer. Note: The bolt must be forward in the
“FIRING” position.
3. Set the safety selector to SAfE.
4. Push in the receiver pins as far as they will go.
5. Seperate the upper receiver.
6. Pull out the charging handle to remove the bolt carrier.
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SEMI
SAFE
SEMI
SAFE
SEMI
UTOSAFE
SEMI
SAFE
Push frontreceiver pin
Push rearreceiver pin
14
2
3
4
6
5
CLEANING
WARNING! Unload and clear the Airsoft gun before cleaning.
Cleaning Procedure
The Airsoft gun barrel should be cleaned after each shooting session. regular cleaning prevents the effects of BB residue buildup that can hinder performance or jam the gun.
1. Ensure that the safety is engaged
2. remove the magazine and clear the chamber of loaded BBs
3. Disable Hop-Up by dialing to the Off position (see Hop-Up section)
4. Disassemble the receiver (see Disassembly section)
5. Steps to use cleaning rod: a. Cut a piece of clean cotton cloth to 1 inch by 0.5 inch size. Insert one end
of the cloth into the hole in the cleaning rod (adjust the length of cloth for smooth entry into the barrel)
b. Wind the cloth around the cleaning rod c. Insert the cleaning rod into the inner barrel, and push the rod throught. d. remove the cleaning rod and check the cotton cloth for dirt. repeat steps a.
through c. when necessary.
!
cleaning rod
cotton cloth
LM4 PTR
15
6. Use a clean cotton cloth to wipe down the surface of the charging handle and bolt carrier.
7. Use a clean cotton cloth to clean inside the upper receiver and magazine well.
8. clean the remainder of the Airsoft gun with cotton-tipped swab, or general purpose cleaning cloths.
9. Oil the cylinder and hammer.
Use only the recommended 100% silicone oil, available for purchase at the Airsoft dealer where you purchased your KWA products. Any other type of lubricant may damage the products.
WARNING! Do Not Use Spray Silicone.
Lubricating the seals and o-rings are essential. Unload BBs from the magazine. Make sure the magazine is free of gas before lubricating the magazine’s charging valve and release valve.
!
Charging handle
Upper receiver
Magazinewell
Bolt carrier
Cotton Cloth
Cotton Cloth
Cotton Cloth
16
SOLUTIONS
Add silicone to cylinder / main seal/ rails
Release hop-up or replace bucking
Replace magazine lip
Add silicone oil to valves
Adjust tension
Replace base plate lock
Replace magazine base seal
Replace cylinder
Replace trigger spring / trigger bar spring
POSSIBLE CAUSE
Dry internal
Hop-up adjustment too tight
Bent magazine lip
Dry O-ring
Weak slide stop spring
Broken base plate lock
Worn out base seal
Broken cylinder tab
Worn out trigger spring / trigger bar spring
SYMPTOMS
Slide jams / Will not complete cycle
Double feeds BBs into chamber / BB’s roll out of barrel
BBs will not release from magazine / bent mag lip/ check bb condition
Leaking release valve & charging valve
Slide stop engages while shooting BBs
Magazine base plate will not lock
Magazine base leaking air
Cylinder will not load BBs into chamber
Trigger will not reset
BASIC TROUBLESHOOTING GUIDE
OPERATING UNDER UNUSUAL CONDITIONS
Unusual conditions are defined as any condition requiring special maintenance. Perform maintenance outlined for the climate similar to your operational area
Extreme Cold:Operating an Airsoft gas gun in extremely cold temperatures is not recommended. cold temperatures will cause the Hop-up Bucking to harden, reducing its effectiveness. Gas will not expand properly in cold temperatures, so both the cycling rate and power will be dramatically reduced.
Extreme Heat:Operating an Airsoft gas gun in extremely hot temperatures is also not recommended. Leaving the gun in direct sunlight for long periods of time, or operating in extremely hot areas will cause the gas to over-expand, damaging the internal workings of the gun. The increase in internal pressure from the expanding gas can also damage the seals and cause leaks in the magazine.
Dust or Sand:Dust or sand can get into a gas gun and cause malfunctions and/or excessive wear. Keep the gun covered whenever possible. Use lubricant sparingly, as lube naturally attracts dirt and other particles. After use in a dusty area, always field strip the gun (refer to Disassembly Section) and clean any areas you can reach with a soft, lint-free cloth.
LM4 PTR
17
1
2
63
10 -5
11-5
12
13
14
15
16
17
1819
20 23
25-5
26-527
28
29
30
31-5
32
34-5
37
85
45
46
47
48
49
49
51
5052
53-5
54 55
56
57
60
61
62
65
66
67
6869
70
71
7273
74
74
75-5
81
76
80
7778
79
97 38
99
59
102
103
105
84
107
109
111-5
113
114
115
116
117
118 119
120
123
124
125
126
130
131
132
133
134
135
224
223
138
145
146
147
148
149
150
151
151
152
153
154
155
156
156
1 97
158
159
141
142
143
144
164
164176
175
193
196
197
193
184168
168
209
209
169
192
173
180
161
196
171
171
198
200
194
36-158
41201
201
200
200
206
34-2
35
12-2
86
191
203189
75-1
8
195
207-1
7
194
87
88
896
106
2 1 0
185
21
185
160
160
82
190
100
104108
173
175
175
40
64
43
5
44
4
I-020127
12898
44-0
208
122
112
22
96
95
PARTS DIAGRAM
18
1
2
63
10 -5
11-5
12
13
14
15
16
17
1819
20 23
25-5
26-527
28
29
30
31-5
32
34-5
37
85
45
46
47
48
49
49
51
5052
53-5
54 55
56
57
60
61
62
65
66
67
6869
70
71
7273
74
74
75-5
81
76
80
7778
79
97 38
99
59
102
103
105
84
107
109
111-5
113
114
115
116
117
118 119
120
123
124
125
126
130
131
132
133
134
135
224
223
138
145
146
147
148
149
150
151
151
152
153
154
155
156
156
1 97
158
159
141
142
143
144
164
164176
175
193
196
197
193
184168
168
209
209
169
192
173
180
161
196
171
171
198
200
194
36-158
41201
201
200
200
206
34-2
35
12-2
86
191
203189
75-1
8
195
207-1
7
194
87
88
896
106
2 1 0
185
21
185
160
160
82
190
100
104108
173
175
175
40
64
43
5
44
4
I-020127
12898
44-0
208
122
112
22
96
95
PARTS DIAGRAM
LM4 PTR
19
Parts # Description
PARTS LISTParts # Description
199-3001-1 PISTOL GRIP
199-3001-2 PISTON
199-3001-4 HOPUP CYLINDER
199-3001-5HOPUP CYLINDER CLAMP
199-3001-6 BARREL WASHER
199-3001-7 SEAR STOP
199-3001-8 RECOIL BUFFER STOP
199-3001-10~5
LOWER RECEIVER
199-3001-11~5
GRIP BAS E
199-3001-12 IMPACT BLOCK BASE
199-3001-12~2
IMPACT BLOCK BASE PANEL
199-3001-13 HAMMER
199-3001-14 TRIGGER
199-3001-15 SEAR
199-3001-16 BOLT STOP
199-3001-17 IMPACT HAMMER
199-3001-18 IMPACT HAMMER BASE
199-3001-19 IMPACT HAMMER RESET
199-3001-20 TRIGGER GUARD
199-3001-21~1
SELECTOR LEVER
199-3001-22 MAGAZINE CATCH
199-3001-23 BUFFER TUBE
199-3001-25~5
UPPER RECEIVER (LEFT)
199-3001-26~5
UPPER RECEIVER (RIGHT)
199-3001-27 FRONT TRUNNION
199-3001-28 DUST COVER
199-3001-29DUST COVER LATCH TUBE
199-3001-30 DUST COVER LATCH
199-3001-31~5
FORWARD ASSIST
199-3001-32 FORWARD ASSIST PLATE
199-3001-34~5
BOLT BODY
199-3001-35 DUST COVER BASE
199-3001-36~1
PISTON STOP
199-3001-37 CYLINDER PLUG
199-3001-38 CHARGING HANDLE
199-3001-40 CHAMBER STOP
199-3001-41 HAMMER BASE
199-3001-43 OUTER BARREL
199-3001-44 INNER BARREL
199-3001-44~0
BARREL STABILIZER RING
199-3001-45 FRONT RECEIVER PIN
199-3001-46 REAR RECEIVER PIN
199-3001-47 FRONT CAPTURE PIN
199-3001-48 REAR CAPTURE PIN
199-3001-49TRIGGER ASSEMBLY PINS (2X)
199-3001-50 TRIGGER SLEEVE
199-3001-51 IMPACT BLOCK SLEEVE
199-3001-52 AUTO SEAR PIN
199-3001-53~5
SELECTOR LEVER PLUNGER
199-3001-54 IMPACT HAMMER PIN
199-3001-55IMPACT HAMMER RESET PIN
199-3001-56 BOLT STOP PLUNGER
199-3001-57 BOLT STOP PIN
199-3001-58 HAMMER BUSHING
199-3001-59MAGAZINE CATCH BUTTON
199-3001-60 INNER PISTON
199-3001-61 JET NOZZLE PIN
199-3001-62PISTON RETURN SPRING PIN
199-3001-63 RECOIL BUFFER
199-3001-64EXTENDED OUTER BARREL
199-3001-65 TRIGGER SPRING
199-3001-66 HAMMER SPRING
199-3001-67 SEAR SPRING
199-3001-68MAGAZINE CATCH SPRING
199-3001-69 AUTO SEAR SPRING
199-3001-70IMPACT HAMMER RESET SPRING
199-3001-71IMPACT BLOCK RETURN SPRING
199-3001-72IMPACT HAMMER SPRING
199-3001-73BOLT STOP PLUNGER SPRING
199-3001-74RECEIVER PIN CAPTURE SPRING (2X)
199-3001-75~5
SELECTOR PLUNGER PIN
199-3001-75~1
BUFFER STOP SPRING
199-3001-76 PISTON RETURN SPRING
199-3001-77FORWARD ASSIST SPRING
199-3001-78FORWARD ASSIST PLATE SPRING
199-3001-79DUST COVER LATCH SPRING
199-3001-80 JET NOZZLE SPRING
199-3001-81 BUFFER SPRING
199-3001-82TRIGGER GUARD LOCKING SPRING
199-3001-84TRIGGER GUARD LOCK PIN
199-3001-85 FULL AUTO SEAR
199-3001-86TRIGGER ASSEMBLY PIN RETAINER
199-3001-87HAMMER RESET BEARING
199-3001-88HAMMER RESET BEARING PIN
199-3001-89 TOP RAIL BRIDGE
199-3001-95 UPPER HAND GUARD
199-3001-96 LOWER HAND GUARD
199-3001-97 JET NOZZLE
199-3001-98 HOPUP BUCKING
199-3001-99CHARGING HANDLE LATCH
199-3001-100 FLASH HIDER
199-3001-102 RAIL RETAINING BLOCK
199-3001-103 SWIVEL FRONT
199-3001-104 FLASH HIDER WASHER
199-3001-105 DUST COVER PIN
Parts # Description
20
Parts # Description
199-3001-106 RECOIL BUFFER BASE
199-3001-107CHARGING HANDLE LATCH SPRING
199-3001-108 FLASH HIDER SPRING
199-3001-109 DUST COVER SPRING
199-3001-111~5
TOP RAIL
199-3001-112 HAND GUARD RING
199-3001-113 BARREL NUT
199-3001-114 FRONT SIGHT
199-3001-115FRONT SIGHT HOUSING BASE
199-3001-116 SWIVEL BASE
199-3001-117 SWIVEL BASE LOCK
199-3001-118 HAND GUARD END CAP
199-3001-119 GAS TUBE
199-3001-120 FRONT SIGHT PLUNGER
199-3001-122HAND GUARD LOCKING SPRING
199-3001-123 FRONT SIGHT SPRING
199-3001-124 SWIVEL MOUNT SPACER
199-3001-125 REAR SLING LOOP
199-3001-126BUFFER TUBE CASTLE NUT
199-3001-127 HOPUP TENSIONER
199-3001-128 HOPUP COVER
199-3001-130 RETRACTING STOCK
199-3001-131 SWIVEL COVER
199-3001-132 STOCK LATCH SPACER
199-3001-133 STOCK LEVER
199-3001-134 STOCK SWIVEL
199-3001-135 SWIVEL SCREW
199-3001-138 STOCK BOLT SPRING
199-3001-141 REAR SIGHT
199-3001-142 WINDAGE KNOB
199-3001-143ELEVATION KNOB DIAL BASE
199-3001-144 ELEVATION KNOB DIAL
199-3001-145 CARRY HANDLE
199-3001-146CARRY HANDLE LOCK FRONT “A”
199-3001-147CARRY HANDLE LOCK FRONT “B”
199-3001-148REAR SIGHT HOUSING BASE
199-3001-149REAR SIGHT PLATE SPRING
199-3001-150CARRY HANDLE LOCKING PLATE
199-3001-151CARRY HANDLE KNOB X 2
199-3001-152WINDAGE KNOB CLICK PLUNGER
199-3001-153REAR SIGHT WINDAGE SCREW
199-3001-154 ELEVATION BAR
199-3001-155REAR SIGHT ELEVATION PLUNGER
199-3001-156CARRY HANDLE BOLT X 2
199-3001-158REAR SIGHT ELEVATION SPRING
199-3001-159 WINDAGE KNOB SPRING
199-3001-160CARRY HANDLE KNOB SPACER X 2
199-3001-161 SWIVEL COVER SCREW
199-3001-164CARRY HANDLE LOCK SCREW X 2
199-3001-168 TRUNNION SCREW X 2
199-3001-169 REAR PIVOT SCREW
199-3001-171 IMPACT BLOCK SCREWS
199-3001-173FLASH HIDER SET SCREW X 2
199-3001-175 CHAMBER SCREWS
199-3001-176TRIGGER GUARD SCREW X 2
199-3001-180 PISTOL GRIP SCREW
199-3001-184DUST COVER LOCKING SCREW
199-3001-185MAGAZINE CATCH SCREW X 2
199-3001-189 CYLINDER PLUG O-RING
199-3001-190 INNER PISTON O-RING
199-3001-191 PISTON O-RING
199-3001-192STOCK LEVER RETAINING PIN
199-3001-193CHARGING HANDLE LATCH PIN X 2
199-3001-194 GAS TUBE PIN X2
199-3001-195 INNER PISTON PIN
199-3001-196FORWARD ASSIST PLATE PIN X 2
199-3001-197FORWARD ASSIST PIN X 2
199-3001-198 FRONT SWIVEL PIN
199-3001-200FRONT SIGHT HOUSING PINS X 3
199-3001-201SWIVEL BASE LOCK ROLL PIN X 2
199-3001-203 GAS PLUG PIN
199-3001-206 TOP RAIL PIN
199-3001-207~1
CYLINDER PLUG CLIP
199-3001-208 LOCKING CLAMP
199-3001-209DUST COVER PIN RETAINING CLAMP X 2
199-3001-210 BUFFER PIN
199-3001-223STOCK ADJUSTMENT LEVER BOLT
199-3001-224STOCK ADJUSTMENT LEVER NUT
199-3001-I~020
BUCKING COVER CLAMP
Parts # Description Parts # Description
LM4 PTR
PARTS LIST
21
226
227
228232
230
234
229
235
236
240
241
242
242
245
246
247248
2 50
244
250
250
2 33
239
2 50
2 50
Parts # Description
199-3001-226 MAGAZINE FOLLOWER
199-3001-227 MAGAZINE DISCONNECT TRANSFER
199-3001-228 MAGAZINE DISCONNECTOR
199-3001-229 MAGAZINE SPRING STOP BASE
199-3001-230 MAGAZINE FEED LIP
199-3001-232 MAGAZINE BODY
199-3001-233 MAGAZINE SPRING STOP
199-3001-234 MAGAZINE BASE
199-3001-235 MAGAZINE BASE SEAL
199-3001-236 MAGAZINE NOZZLE SEAL
MAGAzINE DIAGRAM AND PARTS LIST
199-3001-239 MAGAZINE BASE PLATE
199-3001-240 MAGAZINE RELEASE VALVE BLOCK
199-3001-241 GAS EXPANSION TUBE
199-3001-242 MAGAZINE BASE PINS (2X)
199-3001-244 MAGAZINE FOLLOWER SPRING
199-3001-245 MAGAZINE FILL VALVE
199-3001-246 MAGAZINE RELEASE VALVE
199-3001-247 MAGAZINE FEED LIP SCREW (SHORT)
199-3001-248 MAGAZINE FEED LIP SCREW (LONG)
199-3001-250 MAGAZINE BASE SCREWS (5X)
Parts # Description
22