The subject of the present invention relates to a plastic receiver formed from plastic and plastic type materials by plastic injection or 3D printer method, which enables the preloaded pneumatic gun elements to be connected thereon.

A gas-powered gun for discharge of projectiles, comprising a pressure chamber for holding compressed gas, a valve arranged to release compressed gas from the pressure chamber to thereby discharge a projectile provided in a barrel, and a plenum chamber in fluid connection with the pressure chamber. The plenum chamber is formed coaxially around a rear portion of the barrel.