Aero Precision Enhanced Receiver Extension Buffer Tube Assembly 6-Position Mil-Spec Diameter AR-15 H3 Aluminum Black

The Aero Precision Enhanced Receiver Buffer Kit with Heavy Buffer is the perfect option when you're aiming to dial in the operation of your rifle build. This kit highlights our Enhanced Carbine Buffer Tube that delivers features that increase the reliability, security, and simplicity of your build. Heavy buffers are traditionally selected when you are trying to slow the down the movement of the BCG under recoil. Common situations to use a heavy buffer include over-gassed barrels, or when you are assembling an AR pistol or short-barreled configuration. FeaturesCarrier Support Extensions - Fully supports and guides the bolt carrier group into the buffer tube after a round is fired, preventing carrier tilt and unnecessary wear on key components. The Carrier Support Extensions also extend on either side of the buffer retaining pin, securing the pin in place while simultaneously preventing the buffer tube from backing out under recoil.Position Guide Drain Holes - Each position guide fea...