® OPERATOR’S MANUAL KM4A1 KM4CQB
KM4A1, KM4CQB TABLE OF CONTENTS Use of this manual............................................................................................2 Safety Guidelines......................................................................................... 2-3 Warranty and Service................................................................................... 4-5 Specifications............................................................................................... 6-7 Functions and Features ...........
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 ! WARNING! Failure to follow safety guidelines may result in serious injury. Safety Distance The effective shooting range is approximately 175 feet.
KM4A1, KM4CQB SAFETY GUIDELINES Identify Your Target and Backstop Before 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 Fire If the Airsoft gun fails to fire, misfires, or malfunctions, do not look into the gun barrel.
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 Covered Except as specified below, this warranty covers all defects in material and workmanship in KWA products occurring during the above warranty periods.
KM4A1, KM4CQB 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 States If your product does not require service, but you have questions regarding its operation, please contact our Technical Services Department as listed below.
SPECIFICATIONS KM4A1 • Overall Length [Retracted] = 77.47 cm (30.5”) • Overall Length [Extended] = 85.73 cm (33.75”) • Outter Barrel Length =38.1 cm (15”) • Inner Barrel Length = 395 mm • Inner Barrel Diameter = 6.05 mm • Weight = 3.03 kg (6.68 lbs) • Barrel thread = -14 mm • Caliber = 6 mm • Magazine Capacity = 350 rounds • Rate of Fire = 20+ RPS • Velocity = 118~125 MPS (390~410 FPS) • Energy Output with .20g BB = 1.49 Joules • Power Source = 9.6v NiMh, 7.4v or 11.
KM4A1, KM4CQB SPECIFICATIONS KM4CQB • Overall Length [Retracted] = 67.31 cm (26.5”) • Overall Length [Extended] =75.65 cm (29.75”) • Outter Barrel Length =283 cm (11.14”) • Inner Barrel Length = 273 mm • Inner Barrel Diameter = 6.05 mm • Weight = 2.91 kg (6.42 lbs) • Barrel thread = -14 mm • Caliber = 6 mm • Magazine Capacity = 350 rounds • Rate of Fire = 20+ RPS • Velocity = 100~107 MPS (330~350 FPS) • Energy Output with .20g BB = 1.14 Joules • Power Source = 9.6v NiMh, 7.4v or 11.
FUNCTIONS AND FEATURES KM4A1 The KWA KM4A1 Carbine is the first production AEG engineered specifically for the unparalleled performance of today’s advanced battery technology – Lithium Polymer (LiPo). LiPo batteries provide higher capacity and superior performance surpassing the more common Nickel Metal Hydride (NiMh) batteries. However, this powerful battery requires the highest quality of internal components.
KM4A1, KM4CQB LOADING HIGH CAP Magazine 1. Release the magazine from the Airsoft gun by pressing the magazine release button. 2. Open the magazine top plate and pour Airsoft BBs into the chamber. Close the plate when the chamber is full. 3. Turn the winding wheel on the bottom of the magazine to tighten the spring tension. This will allow the Airsoft BBs to feed through the top of the magazine. 4. Insert the magazine into the Airsoft gun until it clicks into place.
FIRE SELECTOR SWITCH 1. Safe In Safe mode the gun will not fire. For safety reason, you should keep the switch in Safe mode at all times when you are not ready to fire. SEMI SAFE 2. Semi-Auto In Semi-Auto mode the gun will fire one shot for each time you pull the trigger. SEMI AUTO SAFE SEMI 3. Full Auto In this Full Auto mode the gun will fire continuously as long as the trigger is depressed. ! SAFE AUTO WARNING: Do not pull the trigger when switching the fire selector.
KM4A1, KM4CQB BATTERY INSTALLATION 1. Set the fire selector to safe mode. Place the safety cap on the barrel end. Slide the retaining ring back and remove the lower part of the hand guard. 2. Place the battery into the lower half of the hand guard. Push the connector plugs together firmly until they click into place. 3. Replace the lower battery cover and slide the retaining ring back into place.
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 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 • Pull the charging handle to the rear, the ejection port will open and Hop-Up adjustment dial is revealed.
KM4A1, KM4CQB FRONT AND REAR SIGHT ADJUSTMENT FRONT SIGHT ADJUSTMENT • The front sight can be moved up and down when zeroing rear sight • Turn counter clockwise to lower the point of Impact • Stop turning when a click sound is heard Sight Adjustment Tool ! WARNING! If turned too far, the front sight will come off.
DISASSEMBLY Note: Before opening the receiver, the piston must be in the forward position. 1. Shoot in semi-automatic mode 2-3 times to clear the barrel and reset the piston. 2. Remove the Rear Pin only from lower receiver with the provided Allen wrenches. 3. Use 1 wrench to hold the cap screw and one to turn the set pin. 4. After removal of the cap screw, use the allen wrench to push the pin out. 5. Pull the Upper receiver up. 6. Slide out the inner barrel with Hop-Up assembly.
KM4A1, KM4CQB Cleaning and Lubrication ! WARNING! Unload and clear the Airsoft gun of all BBs before cleaning. Cleaning Procedure The Airsoft gun barrel should be cleaned and lubricated after each shooting session. Regular cleaning prevents the effects of BB residue buildup, and ensures all parts are lubricated properly. 1. Ensure that the safety is engaged 2. Disable Hop-Up by dialing to the normal position 3. Remove the magazine and clear the chamber of loaded BBs 4.
BASIC TROUBLESHOOTING FOR RIFLE SYMPTOMS CAUSE SOLUTIONS Selector set to Safe Mode Select Semi-Auto or Full-Auto Mode Dead battery Replace or Charge battery Burned out fuse Replace with a new fuse Motor damaged or bad connection Return gun for professional care Pinched wiring Return gun for professional care Motor is running but not firing Internal failure Return gun for professional care Motor or Battery is hot after short use Pinched wiring Return gun for professional care Motor damaged
KM4A1, KM4CQB 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 temperature will cause the Hop-Up Bucking to harden, reducing its effectiveness or cause the gearbox shell to fracture during operation, rendering the gun inoperable.
KM4A1, KM4CQB DIAGRAM 269 267 275 300 297 303 244 304 276 231 278 236 298 250 298 49 114 249 258 284 165 299 214 287 299Q 237 277 237 91 239 126 257 126Q 16 171 162 158 14 15 159 125 243 243 226 13 5 2 18
KM4A1, KM4CQB KM4A1, KM4CQB DIAGRAM 25 259 282 293 271 47 274 292 283 229 215 291 295 48 295 296 270 128 262 201 294 301 218 270 290 261 266 69 193 68 175 201 265 19 176 36 203 273 164 242 229 290 272 204 163 260 302 7 35 238 234 101 106 161 88 203 1 19
134 183 26 28 29 83 82 240 80 233 133 131 214 196 174 194 9 72 57 253 206 206 81 219 115 227 27 227 KM4A1, KM4CQB PARTS LIST Parts # Description Parts # Description Parts # Description 1 2 3 M3 5 6 7 M7 8 9 13 14 15 16 17 Forward Assist Button Inner Barrel Retainer BB Ramp Cylnder Head (Main) Chamber Block Detente Bolt Plate Carrier Piston (Main) Selector Cover Grip Hop-Up Adjustment Wheel Hop-Up Spindle (Small) Hop-Up Spindle (Large) Hop-Up Bar Lower Receiver Ejection Port Cover L
KM4A1, KM4CQB KM4A1, KM4CQB PARTS LIST Parts # Description M74 77 M78 M79 80 M80 81 82 83 85 88 91 M97 101 M101 106 M107 114 M114 115 M115 M116 M117 M118 M119 120 M120 121 M121 M122 123 M123 M124 125 M125 126 126Q M127 128 131 133 134 135 138 158 159 Air Nozzle Selector Disconnect Spring Safety Lever Spring Stock Tube Trigger Spring Stock Tube Cap Stock Tube Retainer Receiver End Plate Trigger Guard Rail Retaining Block Swivel Front Bevel Gear Bolt Plate Spur Gear Dust Cover Retainer Sector Gear Flash H
KM4 SERIES MAGAZINE DIAGRAM AND PARTS LIST Parts # Description 199-1002-MG300 Magazine Case 199-1002-MG301 Inner Magazine Housing (Left) Inner Magazine Housing 199-1002-MG302 (Right) 199-1002-MG303 BB Stop 199-1002-MG304 BB Compartment Cover 199-1002-MG305 Gear # 1 199-1002-MG306 Gear # 2 199-1002-MG307 Winding Wheel 199-1002-MG308 BB Spindle 199-1002-MG309 Counter Weight Wheel Parts # Description 199-1002-MG310 199-1002-MG314 199-1002-MG316 199-1002-MG317 199-1002-MG319 199-1002-MG320 199-1002-MG321
MMD12_KM4 V01 R2011.06.29 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 © September, 2009 KWA Performance Industries, Inc. All Rights Reserved.
