Angstadt Arms .40 S&W / .45 ACP Buffer Kit – AR-Platform Pistol Caliber Carbines

The Angstadt Arms Buffer Kit is purpose-built for AR-platform pistol caliber carbines chambered in .40 S&W or .45 ACP. It delivers the proper reciprocating mass and dampening to ensure reliable cycling with heavier pistol caliber ammunition while reducing felt recoil and controlling bolt carrier velocity. This kit addresses the unique demands of larger-bore pistol caliber builds that standard carbine buffers can't handle.

Engineered specifically for .40 S&W and .45 ACP applications, this buffer kit includes everything needed for installation in your AR-pattern lower receiver. The buffer weight and spring are calibrated to work with direct blowback operating systems common to pistol caliber carbines. Simple drop-in installation requires no gunsmithing or permanent modification.

• Type: Pistol Caliber Carbine Buffer Kit
• Compatible Firearms: AR-platform pistol caliber carbines in .40 S&W and .45 ACP
• Components: Buffer and buffer spring
• Operating System: Direct blowback
• Installation: Drop-in