The XTS Mil Spec Buffer Tube Assembly brings a complete, mil-spec upgrade to your AR-15 platform. This kit includes a mil-spec buffer tube, buffer, buffer spring, castle nut, and end plate, giving builders and upgraders a matched set of core components designed to work together smoothly. Built with robust construction for durability, it is engineered to deliver consistent cycling and a solid, rattle-resistant interface with your stock.

This model is ideal for AR-15 owners who want a straightforward, reliable buffer system for range use, training, or general-purpose rifles. With its mil-spec dimensions and included hardware, it simplifies new builds and refreshes older setups without guesswork. The assembly supports dependable function across common AR-15 calibers while reflecting XTS’s focus on practical design and dependable performance.

• Manufacturer: XTS
• Model: XTS Mil Spec Buffer Tube Assembly
• Color: Black
• Included Components: Buffer tube, buffer, buffer spring, castle nut, end plate
• Compatibility: Fits AR-15 rifles