Package includes: 1x KWA Airsoft H&K USP Compact NS2 Gas Blowback Pistol 22rd Magazine

This magazine is ONLY designed to use Green Gas.  DO NOT USE PROPANE, RED GAS, or HFC 134a Gas with this KWA product. Using propane with this KWA Gas Blowback will void the manufacturer's warranty, and can cause irreparable damage to the rifle.