Adams Arms AR-15 Carbine Length Tactical Evo Complete Upper Assembly .223 Rem/5.56mm NATO 16" Barrel 1:7" Twist Flattop Samson Free Float Modular Rail Black
The Adams Arms Carbine Length Gas Piston complete upper assembly has everything you need and want in a piston upper assembly. The short stroke gas piston operating system is designed to run cooler and cleaner than a standard direct impingement system. Piston systems increase overall reliability while also decreasing the amount of maintenance required to keep he firearm operational. This upper receiver can be connected to any standard AR-15 lower receiver.
