HK USP Compact 6mm GBB Airsoft Magazine - 22 RDS Other Custom Pistol lightweight rails capped off with

lightweight rails capped off with aggressive lines at the very front

Nominal Capacity: 1600mAh

300rd M4 Magazine

leaving you with plenty of rail space for you to mount an optic

Red and Green Fiber Optic Rods

HK USP Compact 6mm GBB Airsoft Magazine - 22 RDS Other Custom Pistol lightweight rails capped off withSpare KWA KP45 Compact USP Compact Airsoft Gas blowback magazine (NS2 System)For: KWA KP45 USP Compact. (Not for KP45 USP Full size)Gas System: KWA NS2 SystemManufacturer: KWACapacity: 22+1BB: 6mm. (The KWA MP9, UMG and USP series uses regular 6mm Airsoft inner barrel that works great with all high grade bbs. However, their magazine chambers are designed to feed best with 5. 88mm KSC bbs that are smaller in size. Most high grade 6mm Airsoft bb may