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Manufacturer Part #: AA45BUFKIT
UPC: 853427007134

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Angstadt Arms, Buffer kit, .40/.45 AR Pistols, 8 oz Buffer, Buffer Spacer and Buffer Spring, Anodized Black Finish


WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to


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  • Complete drop-in 9mm AR-15 buffer kit
  • Compatible with 9mm, 40S&W and 45ACP
  • 8oz buffer weight
  • Includes buffer and carbine spring

Product Description

The Angstadt Arms 9mm heavy buffer assembly kit is compatible with blowback AR-9 style firearms chambered in 9mm, 40S and W and 45ACP. Includes 8oz solid state buffer and carbine buffer spring.