GHK GBB 20rd MK12 Magazine (Green Gas) ninja-hpa Buffer tube adapter

Buffer tube adapter

KeyMod or MLOK aluminum free float rails

mock bolt locks back for easy access to hopup adjustment (functional bolt stop)

These high-quality Kydex tank covers help to complete the look of the rifle as well as give a better cheek weld

GHK GBB 20rd MK12 Magazine (Green Gas) ninja-hpa Buffer tube adapterThe GHK MK12 Green Gas Magazine is a 20 round first party magazine designed for all GHK M4 AR15 G5 series gas airsoft rifles. This magazine is also fully licensed by Colt. Capacity: 20 Rounds Compatibility: GHK M4 AR15 Gas Airsoft Rifles GHK G5 Gas Airsoft Rifles Includes: x1 GHK MK12 Green Gas Magazine (20 rds Airsoft Magazine) Compatible with GHK M4 G5 MK18 URGI GBBR