This A2 Buffer from Guntec USA is sized for a .308-pattern AR10 rifle-length buffer tube, giving you a direct aftermarket replacement or spare for your buffer system (Guntec USA part no. A2BUF308).

Key Specifications

• Built to A2 weight specifications.
• Matches standard A2 buffer dimensions for a drop-in fit.
• Sized for rifle-length buffer tubes on .308-pattern AR10 platforms.
• Direct aftermarket replacement or spare buffer.

Frequently Asked Questions

Will this fit a carbine-length buffer tube? No, this is an A2-pattern buffer sized for rifle-length buffer tubes on .308-pattern AR10 builds, not carbine-length tubes.

Will this fit a standard 5.56 AR-15? No, this buffer is sized specifically for .308-pattern AR10 rifle-length systems.

Buy the Guntec USA AR10 .308 A2 Buffer

Keep a reliable spare A2 buffer on hand for your .308-pattern AR10 with this Guntec USA replacement part. It ships fast from our Lubbock, Texas gun shop, and our AR-15 buffer systems selection has more AR-10 buffer system parts.