Guns Modify Aluminum 7003T6 CNC Speed Zero Bolt Carrier for Tokyo Marui M4 MWS - Red Silverback WE BULL DOG PX4 Compact

WE BULL DOG PX4 Compact Gas Black Pistol is one of the smallest gas blowbacks in the market

AD Classic 8mm Bearing Bushing

G&P URX III Kit (Medium Long

Rear magazine loading allowing longer barrel length (~470mm)

Best accompanied with Plastic Bullet Loading Tool or Speed Loader

Guns Modify Aluminum 7003T6 CNC Speed Zero Bolt Carrier for Tokyo Marui M4 MWS - Red Silverback WE BULL DOG PX4 CompactThe bolt carrier is an essential part any M4 GBBR out there its what drives the BB to come out the other end of the barrel. In a real gun its almost the same and depending on the weight it will affect how the AR will perform. Guns modify is known for constructing quality airsoft parts in the market and have been around for a while so they know how and what airsofters want in their guns. They are a Hong Kong based company and you can be rest assured