Upgrade parts for airsoft M4 / M16 gas weapons - Hyena | Mossy Oak Obsession 85 products

Upgrade / Tuning Parts for Airsoft M4 Rifles

Give your gas-powered M4 a true performance leap. In this category you’ll find top-tier upgrade parts that turn a stock replica into a precision tool ready for competition pace and long mil-sim events. CNC-milled trigger assemblies with shorter reset deliver a snappier response, while lightweight bolt carriers and adjustable recoil springs tune the kick exactly to your preference.