CMC AR-15 A5 8-Position Extended Buffer Tube Assembly Kit

Upgrade your AR-15 with the CMC A5 8-Position Extended Buffer Tube Assembly Kit — a precision-engineered solution designed to enhance reliability, comfort, and adjustability on your rifle build. This extended buffer tube assembly features eight position settings, giving you greater flexibility when fitting your stock to your preferred shooting style, body type, or tactical setup. The A5 system is known for its smoother cycling characteristics, reduced felt recoil, and improved reliability compared to standard carbine buffer systems — making it an excellent choice for competition shooters, hunters, and serious enthusiasts alike.

Built to mil-spec standards, this CMC kit delivers the quality and consistency that CMC Triggers is known for, packaged in a complete assembly kit so you have everything you need for a straightforward installation. Whether you’re completing a new AR-15 build or upgrading an existing platform, the CMC A5 8-Position Extended Buffer Tube Assembly Kit is a smart, performance-focused investment.

Available online at Deep Roots Rifle Co with fast shipping nationwide, or stop by our gun store in Eustis, Florida to speak with our knowledgeable staff. We’re here to help you find the right components for your build.