HK USP Gas Gun CO2 NBB Color:Black an internal zippered pocket and

an internal zippered pocket and a separate divided compartment for a hydration bladder

next generation Locking Quick Release mount with shorter lever

Once the laser is sighted in and adjusted correctly

Fits the M4 electric AEG rifles by KSC

HK USP Gas Gun CO2 NBB Color:Black an internal zippered pocket andHK USP Gas Gun CO2 . A full sized HK USP non blowback (NBB) CO2 airsoft gas pistol. From Elite Force HK. 360 FPS w . 20g BBs. Uses HK USP Co2 non blowback magazines only. Mostly plastic, but a great little shooter that's super gas effecient. Umarex 2275023 and 2262030 Comes in black and tan black color options. 360 FPS w . 20g BBs Uses standard Co2 cartridges in its magazine.