The Advanced Technology A5101050 commercial buffer tube assembly is a direct-replacement AR-15 component designed to fit most AR-15 and AR variants. It features a 6-position, 7.8″ hard-coat black anodized 6061-T6 aluminum tube with a slanted back profile and commercial thread dimensions. The package includes an AR-15 recoil plug, buffer spring, steel castle nut and locking ring to complete installation. Made in the USA, this model is also noted as compatible with AR-10 .308 models.
Key Specifications
- Constructed from 6061-T6 aluminum for a balance of strength and weight.
- The finish is hard-coat black anodized for corrosion resistance and durability.
- The tube is a 6-position (7.8″) configuration to support common stock setups.
- The assembly uses commercial threads for compatibility with commercial-spec receivers and stocks.
- Tube diameter measures 1.17 inches as noted by the manufacturer.
- Includes AR-15 recoil plug, buffer spring, steel castle nut, and locking ring to simplify installation.
- Designed to fit most AR-15 and AR variants without modification.
- This model is compatible with AR-10 .308 models as indicated by the manufacturer.
- Manufactured in the USA.
Well-suited for builders and technicians who prefer straightforward, serviceable components, the A5101050 delivers dependable materials and the included hardware needed for a clean, reliable buffer assembly installation. Its commercial-spec fit and durable finish make it a practical choice for assembling or refreshing AR-15 and compatible platforms.
