Angstadt Arms 10 oz Buffer Kit, 9mm/40 S&W/45 ACP, Black - AA40BUFKIT

This 10 oz buffer kit is designed for AR-15 and AR-9 platform rifles chambered in 9mm Luger, .40 S&W, or .45 ACP. The kit includes a carbine buffer spring and a 4-inch buffer with a blue bumper, compatible with both Glock and Colt-style magazines. No spacer is required for installation.