ATI Outdoors AR-15 Buffer Tube Kit – Mil-Spec, Includes Buffer, Spring, Castle Nut & Lock Ring, Black (A.5.10.2240)

• Buffer tube kit designed for AR-15 rifle builds and replacement applications
• Includes buffer tube spring buffer locking ring and castle nut components
• Mil spec buffer tube constructed from 6061 T6 aluminum material
• Compatible with most AR-15 rifles excluding 308 platform firearms
• Durable construction supports long term reliability under repeated use conditions
• Made in the USA for consistent manufacturing quality and performance

The ATI Outdoors Buffer Tube Kit is a buffer tube assembly designed for AR-15 platform rifles.

This kit includes a military-spec buffer tube constructed from 6061 T6 aluminum with a Type III anodized finish. It comes with a buffer spring, recoil buffer, locking ring, and castle nut for installation. The assembly is designed to fit most AR-15 and AR variant rifles and is not compatible with .308 platforms. The included components support proper function of the recoil system and attachment of compatible stocks. This model is categorized within stocks and buffer tube assemblies for rifle platforms. In typical setups, the ATI Outdoors Buffer Tube Kit is used for firearm assembly or maintenance applications.