- Completely disassembled challenge kit is the ultimate DIY Airsoft kit
- All parts necessary to build a functioning G&P GBBR are included, with the exception of a magazine
- Full metal receiver, barrel assembly and buffer tube
- Compatible with Western Arms parts and accessories
- Designed with experienced Airsofters in mind
- Magazine NOT included
Update: This G&P M4 WOC Kit comes with the newly designed nozzle more efficient system as you will see. The manual still shows the old type nozzle but the kit will come with the new type!
What comes with this kit?
The G&P M4A1 Challenge Kit comes with all of the internal parts necessary including the Blowback System parts, Hopup System Parts, Barrel Assembly Parts, Receiver, Foregrip, Front and Rear Sights, Buffer Tube and Stock System.
Compatibility: The G&P M4 GBB Challenge Kit is Western Arms compatible and can be used with Western Arms upgrade parts. Keep in mind, like any aftermarket parts, some modification may be required.
Does it come with a Magazine?
No, the G&P M4 GBB Challenge kit does not include a magazine. Thus G&P is able to export this item to you at great cost without it being "a complete gun" while saving you assembling cost at the same time for those that knows their M4 GBB.
Length: 760mm / 840mm (29"-33"), Adjustable
Weight: 2812g (6.2lbs)
Inner Barrel: 300mm
Magazine Capacity: 39rds. Works with G&P, Western Arms, King Arms and other compatible M4 / M16 Series Airsoft GBB Magazines
Muzzle Velocity: 340~380 FPS (Measured with 0.20g BBs and Green Gas)
Thread Direction: 14mm positive (+)
Gas Type: Green Gas
Fire Modes: Semi/Full-Auto, Safety
Hopup: Yes, Adjustable