Retro Arms CZ Billet CNC 8mm Ver. 2 Gearbox Shell Grenade enhancing your gameplay experience

enhancing your gameplay experience

this air chamber is mechanically sealed off from the supply and the chambers contents is released down the barrel to propel the BB

8mm Bushings and Straight Trigger Installed

Ambidextrous Selector Switch

unforgiving turf that can burn and even while banging against bunkers

Retro Arms CZ Billet CNC 8mm Ver. 2 Gearbox Shell Grenade enhancing your gameplay experienceUnlike most other gearbox shells on the market, the Retro Arms CZ gearbox shells are machined out of a solid block of billet EN AW 7075 T651 aluminum, the same aluminum they use for Boeing commercial aircrafts. Combined with reinforcement of key stress points, the gearbox shell has undergone extensive stress tests and have proven to be resilient without any signs of wear. Quick Change Spring System Anodized Finish Reinforcement in Key Stress Points