Piston system

Yes, this is a GAS PISTON rifle. Key Specifications - Item Number: 666647 - Caliber: 5.56 NATO - Action: Semi-automatic / gas piston - Capacity: 20+1 - Barrel length: 16" flyweight - Barrel style: Cold hammer-forged, free-floated, chrome-lined - Barrel tw

It a gas piston The REC7 rifle’s dependability stems largely from its innovative operating system. Using a minimum number of parts, the piston system separates heat and powder residue from the bolt carrier and trigger assembly. The rifle runs cool and cle