Angstadt Arms AR-15 8 oz Buffer Kit (9mm/40 S&W/.45 ACP)

The Angstadt Arms AR-15 buffer kit provides a complete 8 oz buffer assembly and a carbine buffer spring for blowback AR platforms. It is described as compatible with firearms chambered in 9mm, 40 S&W, and .45 ACP, and accepts both Glock-style and Colt-style magazines. The kit ships in a black matte finish and is intended for AR-style rifles configured for these blowback calibers.

Key Specifications

• The kit includes a 8 oz solid-state buffer for reliable cycling in compatible platforms.
• The package contains a carbine buffer spring sized for AR rifle buffer tubes.
• Compatible with 9mm, 40 S&W, and .45 ACP blowback AR platforms as indicated in the product descriptions.
• Accepts Glock-style and Colt-style magazines where the host firearm is configured for those magazine types.
• Finished in a black matte that matches common AR-15 furniture and components.
• Designed to fit AR-15 style buffer tubes and rifle configurations.
• The kit is supplied as a complete buffer and spring assembly for straightforward installation.

This Angstadt Arms buffer kit is a practical option for builders and shooters using blowback AR platforms chambered in the listed calibers who want a straightforward buffer and spring solution. The solid 8 oz buffer combined with a carbine spring supports consistent cycling and simple installation in AR-15 style receivers configured for these magazines and calibers.