Carver One Basic is built for a realistic military experience at an affordable price, with an all aluminum die cast receiver, heavy duty stainless steel braided gasline and durable black matte finish. The marker features a high-performing 8 ½�quick thread barrel and in-line bolt system, plus four picatinny rails for customization, a built-in foregrip and built-in sights and sling mounts. Performance: Semi-automatic, .68 caliber 8 ½� quick thread barrel Proven high performance in-line bolt system Durable and Reliable: All aluminum die cast receiver Heavy duty stainless steel braided gasline Durable matte black finish Built-in Features Four picatinny rails to add sights, scopes and handles Built-in foregrip Built-in sling mounts Built-in sights Maintenance Pack Includes: Allen wrench set, spare tank o-ring, marker lubricant, cleaning cable and barrel sleeve Type: Paintball Guns Gender: Unisex