Matrix/King Arms Full Steel Teeth Polycarbonate Piston for Airsoft AEG Gearboxes Adapter Steel outer barrel w/ steel

Steel outer barrel w/ steel flash hider

Efficient NS2 gas system

Steel construction

Re-engineered the hopup levers and nubs to work best with R-hop

Matrix/King Arms Full Steel Teeth Polycarbonate Piston for Airsoft AEG Gearboxes Adapter Steel outer barrel w/ steelThis Matrix piston features a super core hard polymer construction just like the Systema and Super Core pistons, a full rack of steel teeth, and modified rail dedicated for high power and high performance applications. With the full steel teeth and polycarbonate piston body, this piston will provide durability over pistons with polycarbonate teeth, but without the cost of weight. Full rack of CNC Steel Teeth. Extremely hard polycarbonate piston body.