® KM4 KR SERIES MANUFACTURED IN TAIWAN KM4 KR5 KM4 KR5 CAL 6.00 MM R141000003US MANUFACTURED IN TAIWAN KM4 KR9 KM4 KR9 CAL 6.00 MM R141000003US MANUFACTURED IN TAIWAN KM4 KR12 KM4 KR12 CAL 6.00 MM R141000003US MANUFACTURED IN TAIWAN KM4 KR14 KM4 KR14 CAL 6.00 MM R141000003US OPERATOR’S MANUAL Please read this manual carefully before using the Airsoft gun.
KM4 KR SERIES TABLE OF CONTENTS Warranty ...................................................................................................... 3-4 Use of this Manual / Safety Guidelines ....................................................... 5-6 Specifications and Package Contents: KM4 KR5 ...................................................................................................7 KM4 KR9 ...................................................................................................
WARRANTY KWA PERFORMANCE INDUSTRIES, INC. 18571 E. Gale Ave. City of Industry, CA 91748 (626) 581-1777 THANK YOU FOR PURCHASING A KWA PERFORMANCE INDUSTRIES, INC. PRODUCT. KWA Performance Industries, Inc. is committed to serving our customers with the finest quality products, the highest level of service, and the best customer satisfaction. Because of this, we offer a 90 day warranty on all KWA products we import and distribute.
KM4 KR SERIES How To Obtain Warranty Service If 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 the 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.
USE OF THIS MANUAL Before 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 know the principles of gun handling, safety, and operation prior to firing the Airsoft gun. SAFETY GUIDELINES Safety Distance The effective shooting range is approximately 175 feet. BBs fired from this Airsoft gun may travel farther than intended. Make certain that you have an adequate backstop.
KM4 KR SERIES SAFETY GUIDELINES (CONTINUED) Failure To Fire If 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 Properly Performing 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.
SPECIFICATIONS: KM4 KR5 • Overall Length [Retracted] = 590.55 mm (23.25”) • Overall Length [Extended] = 673.1 mm (26.5”) • Outer Barrel Length = 139.7 mm (5.5”) • Inner Barrel Length = 198 mm (7.8”) • Inner Barrel Diameter = 6.05 mm • Weight (without magazine) = 2.8 kg (6.2 lbs) • Barrel thread = -14 mm • Caliber = 6 mm • Magazine Capacity = 120 rounds • Rate of Fire = 20+ RPS • Velocity = 90~107 MPS (320~350 FPS)* • Energy Output with 0.20g BB = 1.07 Joules • Power Source: 9.6v NiMh, 7.4v or 11.
KM4 KR SERIES SPECIFICATIONS: KM4 KR9 • Overall Length [Retracted] = 730.3 mm (28.75”) • Overall Length [Extended] = 812.8 mm (32”) • Outer Barrel Length = 266.7 mm (10.5”) • Inner Barrel Length = 309 mm (12.17”) • Inner Barrel Diameter = 6.05 mm • Weight (without magazine) = 3.0 kg (6.69 lbs) • Barrel thread = -14 mm • Caliber = 6 mm • Magazine Capacity = 120 rounds • Rate of Fire = 20+ RPS • Velocity = 100~107 MPS (330~350 FPS)* • Energy Output with 0.20g BB = 1.07 Joules • Power Source: 9.6v NiMh, 7.
SPECIFICATIONS: KM4 KR12 • Overall Length [Retracted] = 847.8 mm (33.38”) • Overall Length [Extended] = 929 mm (36.97”) • Outer Barrel Length = 406.4 mm (16”) • Inner Barrel Length = 426 mm (16.77”) • Inner Barrel Diameter = 6.05 mm • Weight (without magazine) = 3.18 kg (7.0 lbs) • Barrel thread = -14 mm • Caliber = 6 mm • Magazine Capacity = 120 rounds • Rate of Fire = 20+ RPS • Velocity = 116~125 MPS (380~410 FPS)* • Energy Output with 0.20g BB = 1.45 Joules • Power Source: 9.6v NiMh, 7.4v or 11.
KM4 KR SERIES SPECIFICATIONS: KM4 KR14 • Overall Length [Retracted] = 946.15 mm (37.25”) • Overall Length [Extended] = 1028.7 mm (40.5”) • Outer Barrel Length = 508 mm (20”) • Inner Barrel Length = 523 mm (20.59”) • Inner Barrel Diameter = 6.05 mm • Weight (without magazine) = 3.3 kg (7.3 lbs) • Barrel thread = -14 mm • Caliber = 6 mm • Magazine Capacity = 120 rounds • Rate of Fire = 20+ RPS • Velocity = 116~125 MPS (380~410 FPS)* • Energy Output with 0.20g BB = 1.45 Joules • Power Source: 9.6v NiMh, 7.
BATTERY INSTALLATION ! WARNING: Stock must be fully collapsed before opening the stock cover. Do not remove the stock completely from the gun, doing so will disconnect the terminal inside 1. Set fire selector to safe mode. Place the safety cap on the barrel end. Gently pull the butt plate release tabs to remove the cover. 2a. Two types of battery can be used, Nunchuck battery and small Li-Po pack battery. When using a Nunchuck battery, place the battery into the stock.
KM4 KR SERIES LOADING BBS 1. 2. Release the magazine from the Airsoft gun by pressing the magazine catch button. Feed the BBs into the magazine through the magazine feed lip as shown. *NOTE: Leave a 3mm clearance between the BBs and the top of the magazine lip. Overloading will cause jamming. **NOTE: The use of a BB loader, such as the KWA High Performance BB Loader, can help make the loading process easier and faster.
USING KWA HIGH PERFORMANCE BB LOADER (Purchase Separately) 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. Flip down the dust cover to reveal the loading nozzle. 4. Fit BB loader into the magazine feed lip. 5. Press on BB loader plunger to load BB into magazine. 2 3 Loading Nozzle 4 ! 5 WARNING: Always use high quality 6mm BBs, weight 0.2g or higher.
KM4 KR SERIES LOADING MAGAZINE 1. 2. Place the loaded magazine into the magazine well. Lightly pull on the magazine to ensure it is locked in properly. MANUFACTURED IN TAIWAN KM4 KR9 CAL 6.00 MM R141000003US 1 KWA K120 Magazine FIRE SELECTOR SWITCH 1. Safe Safe mode is the setting to the left as indicated in the diagram. In this 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.
HOP–UP SYSTEM The Hop-Up device is one of KWA’s standard features, giving Airsoft BBs greater stability, farther travel, and increased accuracy. Airsoft BBs are lightweight and can be affected by wind when fired. With the Hop-Up system, the trajectory of the Airsoft BBs can be adjusted according to the shooting environment or surroundings. HOP-UP ADJUSTMENT 1. 2. 3. 4. 5. 6. Test fire the gun to determine the amount of hop needed. Remove the magazine.
KM4 KR SERIES FRONT AND REAR SIGHT ADJUSTMENT FRONT SIGHT ADJUSTMENT 1. 2. 3. The front sight can be moved up and down to zero the sights. Turn counter clockwise to raise the post. Turn clockwise to lower the post. REAR SIGHT ADJUSTMENT 1. 2. 3. Flip the rear sight between general and precision aiming. To adjust the horizontal point of impact, rotate the windage knob located on the rear of the sight.
DISASSEMBLY 1. 2. 3. 4. 5. 6. 7. 8. Remove magazine. Shoot in semi-automatic mode 2-3 times to clear the barrel and reset the piston. Note: Check and clear the chamber of BB’s. Set the selector to SAFE. Remove the rear pin only from the lower receiver with the provided Allen wrenches. Use 1 wrench to hold the cap screw and one to turn the set pin. After removal of the cap screw, use the allen wrench to push the pin out. Pull the upper receiver up. Slide out the inner barrel with Hop-Up assembly.
KM4 KR SERIES CLEANING The Airsoft gun inner barrel should be cleaned after each shooting session. Regular cleaning prevents damage that can be caused by excess oil, dirt, BB residue, and debris buildup. Cleaning Procedure 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 on page 15). 4. Disassemble the receiver (see Disassembly section on page 17). 5. Steps to use cleaning rod: a.
BASIC TROUBLESHOOTING GUIDE FOR RIFLES SYMPTOMS POSSIBLE CAUSE SOLUTIONS Selector set to Safe Mode Select Semi-Auto or Full-auto Mode Motor damaged or bad connection Return gun for professional care Pinched wiring Return gun for professional care Pinched wiring Return gun for professional care Motor damaged or bad connection Return gun for professional care Semi-Auto feature not functioning Incorrect timing Dry fire on Full-Auto High pitch or grinding noise Gear may be damaged/ Motor level
KM4 KR SERIES KM4 KR5 PARTS DIAGRAM 820 201S 819 305 437 832 454 192 341 822 215 319 826 6 811 265 813 215 16 162 171 158 127 125 14 243 159 809 15 243 2 226 13 89-1 101 242 88 104 128 19 831 69 176 203 193 808 142 68 175 296 203 161 1-1 807 20
KM4 KR5 PARTS DIAGRAM (Continued) 801 137S 509 338 512 508 506 513 500 505 338 519 503 252S 510 520 517 514 518 516 511 515 210 501 120 3 17 205 67 123 173 138 8 121 46 66 83 24 209 182 77 25 218 7 185 6-1 138 85 135 236 204 346 174 163 254 47 65 227 227 229 48 348 164 253 208 208 115 115-1 21
KM4 KR SERIES KM4 KR5 PARTS LIST 22 Part # Description Part # Description 199-1002-1-1 Forward Assist Button 199-1002-142 Upper Receiver Pin 199-1002-2 Hop-Up Inner Barrel Clamp 199-1002-158 Hop-Up Nub 199-1002-3 BB Feed Ramp 199-1002-159 Hop-Up Bucking 199-1002-5 Hop-Up Housing 199-1002-161 Forward Assist Spring 199-1002-6 Outer Barrel Washer 199-1002-162 Hop-Up Tension Spring 199-1002-6-1 Selector Lever Plunger 199-1002-163 Charging Handle Spring 199-1002-7 Charging Handle
KM4 KR5 PARTS LIST (Continued) Part # Description Part # Description 199-1002-437 Gas Piston 199-1002-517 Stock Lever Nut Screw 199-1002-454 Gas Piston Spring 199-1002-518 Fuse 20A 199-1002-500 Crane Stock 199-1002-519 Wire Harness 199-1002-501 Crane Stock Butt Plate 199-1002-520 Crane Stock Wire Harness Clamp 199-1002-503 Crane Stock Lever Spacer 199-1002-801 5” KeyMod Rail 199-1002-505 Crane Stock Cap (Left) 199-1002-807 Upper Receiver (Left) 199-1002-506 Crane Stock Cap (Rig
KM4 KR SERIES KM4 KR9 PARTS DIAGRAM 201S 437 318 454 49 114 317 165 217 215 828 811 305 265 215 319 192 6 341 815 242 128 16 162 19 69 127 176 193 14 158 159 243 68 101 15 243 175 5 2 809 104 125 171 13 831 203 89-1 808 142 203 161 807 24 88 296 1-1 226
KM4 KR9 PARTS DIAGRAM (Continued) 137S 509 512 508 506 513 803 500 505 519 503 338 510 517 514 520 518 516 511 515 501 338 210 120 3 67 17 205 173 123 8 138 121 46 252S 83 66 77 182 6-1 24 209 138 85 218 25 7 185 135 236 346 174 204 254 163 65 227 227 348 47 229 48 253 208 208 115 164 115-1 25
KM4 KR SERIES KM4 KR9 PARTS LIST 26 Part # Description Part # Description 199-1002-1-1 Forward Assist Button 199-1002-137S Rear Sight Assembly 199-1002-2 Hop-Up Inner Barrel Clamp 199-1002-138 Take-Down Pin Screws x2 199-1002-3 BB Feed Ramp 199-1002-142 Upper Receiver Pin 199-1002-5 Hop-Up Housing 199-1002-158 Hop-Up Nub 199-1002-6 Outer Barrel Washer 199-1002-159 Hop-Up Bucking 199-1002-6-1 Selector Lever Plunger 199-1002-161 Forward Assist Spring 199-1002-7 Charging Handle
KM4 KR9 PARTS LIST (Continued) Part # Description Part # Description 199-1002-318 Gas Piston Tube 199-1002-512 Stock Lever Bolt 199-1002-319 Outer Barrel Lock 199-1002-513 Stock Lever Spring 199-1002-338 Rail Screws x6 199-1002-514 Fuse Connector x2 199-1002-341 Gas Tube Set Screws x2 199-1002-515 Fuse Connector Screw 199-1002-346 Pistol Grip 199-1002-516 Crane Stock Wire Harness Screw 199-1002-348 Motor Cover 199-1002-517 Stock Lever Nut Screw 199-1002-437 Gas Piston 199-1002
KM4 KR SERIES KM4 KR12 PARTS DIAGRAM 201S 437 318 454 49 114 165 317 217 215 830 811 215 265 305 319 192 6 341 162 816 242 127 128 69 16 171 125 14 158 159 19 15 243 176 2 5 13 193 101 175 104 809 831 203 89-1 808 88 296 142 203 161 807 28 1-1 243 226
KM4 KR12 PARTS DIAGRAM (Continued) 137S 509 252S 512 508 506 513 500 505 519 503 510 520 517 514 518 516 511 515 804 501 210 338 120 3 17 205 67 123 173 121 138 8 338 46 66 24 83 209 77 182 218 25 6-1 185 138 85 135 346 236 7 204 174 163 254 227 227 47 65 229 48 348 208 208 164 253 115 115-1 29
KM4 KR SERIES KM4 KR12 PARTS LIST 30 Part # Description Part # Description 199-1002-1-1 Forward Assist Button 199-1002-137S Rear Sight Assembly 199-1002-2 Hop-Up Inner Barrel Clamp 199-1002-138 Take-Down Pin Screws x2 199-1002-3 BB Feed Ramp 199-1002-142 Upper Receiver Pin 199-1002-5 Hop-Up Housing 199-1002-158 Hop-Up Nub 199-1002-6 Outer Barrel Washer 199-1002-159 Hop-Up Bucking 199-1002-6-1 Selector Lever Plunger 199-1002-161 Forward Assist Spring 199-1002-7 Charging Handle
KM4 KR12 PARTS LIST (Continued) Part # Description Part # Description 199-1002-318 Gas Piston Tube 199-1002-512 Stock Lever Bolt 199-1002-319 Outer Barrel Lock 199-1002-513 Stock Lever Spring 199-1002-338 Rail Screws x6 199-1002-514 Fuse Connector x2 199-1002-341 Gas Tube Set Screws x2 199-1002-515 Fuse Connector Screw 199-1002-346 Pistol Grip 199-1002-516 Crane Stock Wire Harness Screw 199-1002-348 Motor Cover 199-1002-517 Stock Lever Nut Screw 199-1002-437 Gas Piston 199-100
KM4 KR SERIES KM4 KR14 PARTS DIAGRAM 437 252S 824 49 454 114 165 829 217 215 316 811 305 265 215 319 192 6 341 242 16 162 128 243 159 19 15 243 176 5 817 193 2 68 101 14 158 127 69 125 171 13 175 104 809 831 203 89-1 808 88 142 296 203 161 807 32 1-1 226
KM4 KR14 PARTS DIAGRAM (Continued) 137S 509 201S 512 508 506 513 500 505 519 503 510 520 517 514 518 516 511 515 501 805 210 120 3 338 67 17 205 123 173 138 8 121 338 46 66 24 182 77 218 6-1 185 83 209 138 85 135 346 236 25 174 7 254 204 163 65 227 227 348 47 208 208 115 229 48 253 115-1 164 33
KM4 KR SERIES KM4 KR14 PARTS LIST 34 Part # Description Part # Description 199-1002-1-1 Forward Assist Button 199-1002-137S Rear Sight Assembly 199-1002-2 Hop-Up Inner Barrel Clamp 199-1002-138 Take-Down Pin Screws x2 199-1002-3 BB Feed Ramp 199-1002-142 Upper Receiver Pin 199-1002-5 Hop-Up Housing 199-1002-158 Hop-Up Nub 199-1002-6 Outer Barrel Washer 199-1002-159 Hop-Up Bucking 199-1002-6-1 Selector Lever Plunger 199-1002-161 Forward Assist Spring 199-1002-7 Charging Handle
KM4 KR14 PARTS LIST (Continued) Part # Description Part # Description 199-1002-319 Outer Barrel Lock 199-1002-513 Stock Lever Spring 199-1002-338 Rail Screws x6 199-1002-514 Fuse Connector x2 199-1002-341 Gas Tube Set Screws x2 199-1002-515 Fuse Connector Screw 199-1002-346 Pistol Grip 199-1002-516 Crane Stock Wire Harness Screw 199-1002-348 Motor Cover 199-1002-517 Stock Lever Nut Screw 199-1002-437 Gas Piston 199-1002-518 Fuse 20A 199-1002-454 Gas Piston Spring 199-1002-519
KM4 KR SERIES KWA 2GX GEARBOX PARTS DIAGRAM 115 121 117 63 124 115 121 116 123 74 3 127-1 32 115 121 115 127 127-1 37 121 38 96 116 118 7 33 117 48 51 19 56 119 71 54 69 42 55 119 43 65 127-1 122 36 70 39 40 114 127 58 53 80 127-1 120 79 78 107 62 125 120 64 125 101 57 52 59 125 97 125 35 125 72 36 23 125 47
KWA 2GX GEARBOX PARTS LIST Part # Description Part # Description 199-1002-M3 Gearbox Cylinder Head 199-1002-M65 Gearbox Trigger 199-1002-M7 Gearbox Piston 199-1002-M69 Gearbox Trigger Switch Brush / Power Out 199-1002-M19 Gearbox Piston Metal Plate 199-1002-M70 Gearbox Power Cut-off Brush 199-1002-M23 Anti-Reverse Latch 199-1002-M71 Gearbox Trigger Switch Brush / Power In 199-1002-M32 Gearbox Cylinder Head Buffer 199-1002-M72 Gearbox Selector Plate Contact 199-1002-M33 Gearbox Cylind
KM4 KR SERIES K120 MAGAZINE PARTS DIAGRAM and PARTS LIST 1 33 2 34 4 3 36 4 32 4 4 44 8 35 6 8 7 38 Part # Description 199-1002-MG1 MAGAZINE BODY 199-1002-MG2 MAGAZINE BB STOP 199-1002-MG3 MAGAZINE BB STOP SRPING 199-1002-MG4 MAGAZINE HOUSING SCREW 199-1002-MG6 MAGAZINE BASE PLATE 199-1002-MG7 MAGAZINE BASE PLATE STOP 199-1002-MG8 MAGAZINE BASE PLATE SPRINGS 199-1002-MG32 MAGAZINE HOUSING (LEFT PANEL) 199-1002-MG33 MAGAZINE HOUSING (RIGT PANEL) 199-1002-MG34 MAGAZINE FOLLOWE
KM4 KR SERIES R2015.11.02 KWA Performance Industries, Inc. 18571 E. Gale Ave. City of Industry, CA 91748 T: (626) 581-1777 • F: (626) 581-0777 WWW.KWAUSA.COM Copyright © November 2015 KWA Performance Industries, Inc. All Rights Reserved.
