The Spec 15 Forged Aluminum Kinetx Piston Pistol is built for shooters who demand reliability, durability, and next-level performance. Featuring the Kinetx piston system for cooler, cleaner operation with less gas blowback, and the all-new Anchor Rail System (ARS). his rifle is engineered to excel in any environment. Forged aluminum receivers ensure unmatched strength, while Black Rain Ordnance precision guarantees quality you can trust.