The Echo 1 Modify Bore-Up Piston Head with Bearings is finely made with a revolutionary new design. It is constructed of aircraft aluminum alloy parts and high quality polcycarbonate to profile an effective, airtight seal.
The perfect reinforced replacement for your Classic Army's CA-25 stock piston. Heavy duty construction with metal gear teeth round out this superb upgrade product.
The Echo 1 Modify Aluminum Piston Head with Bearings is finely made with a revolutionary new design. It is constructed of aircraft aluminum alloy and has a effective 100% airtight seal.