Olive Drab Green AllRounder Carbine Upper Receiver 5.56

The Olive Drab Green AllRounder Carbine Upper Receiver is designed for those seeking versatility and reliability. Crafted to accommodate the 5.56 caliber, this upper receiver provides a solid foundation for your firearm. It comes equipped with a complete set of essential springs, including hammer, trigger, disconnector, safety, detent, buffer retainer, magazine catch, and bolt catch springs. This ensures smooth operation and dependable performance, making it an excellent choice for both seasoned enthusiasts and newcomers looking to upgrade their setup.