DYTAC 14.5 Inch Carbine Outer Barrel Assembly for Systema PTW M4 (Black) reg_BQ Insert 40mm Cartridge inside and

Insert 40mm Cartridge inside and fun to shoot (Short Type - under 110mm)

Super-easy installation - thanks to the Mini Tamiya adapters

A Pistol that takes either Co2 or Top Gas without modification needs

POM Piston Head w/ Ball Bearing

giving you a long precision oriented barrel that allows for great range

DYTAC 14.5 Inch Carbine Outer Barrel Assembly for Systema PTW M4 (Black) reg_BQ Insert 40mm Cartridge inside andDYTAC 14. 5 Inch Carbine Outer Barrel Assembly for Systema PTW M4 (Black) CNC Durable Enhanced Aluminum Construction Hard Coat Anodize Surface Suitable for Systema PTW M4 Series Airsoft Electric Gun AEG Rifle Includes 380mm Outer barrel, Gas Block & Dummy Gas Tube Length: 380mm Adaptive End: 14mm CCW (Counter Clockwise)