AR-45ACP/10MM/.40S&W Pistol Buffer Tube Kit – 8oz Heavy Buffer, Foam Cover, Mil-Spec

Parts

AR-45ACP/10MM/.40S&W Pistol Buffer Tube Kit – 8oz Heavy Buffer, Foam Cover, Mil-Spec

Upgrade your big-bore AR pistol build with this AR-45ACP/10MM/.40S&W Pistol Buffer Tube Kit, engineered to handle the higher pressure and recoil of these hard-hitting calibers. Built to Mil-Spec standards and proudly Made in the USA, this kit includes all the essentials for a stable, reliable pistol configuration.

Crafted from T6 aluminum, the buffer tube is paired with a heavy 8oz buffer and high-tension spring—ideal for reliable cycling with .45ACP, 10MM, and .40S&W rounds. A foam tube cover ensures comfort during operation, while the included castle nut and end plate complete the installation.

Kit Includes:

• Mil-Spec Pistol Buffer Tube – T6 Aluminum

• 8oz Heavy Buffer – Ideal for blowback .45/10MM/.40S&W

• High-Tension Buffer Spring

• Castle Nut

• End Plate

• Foam Tube Cover for Comfort & Grip

Specifications:

• Caliber Compatibility: .45ACP / 10MM / .40S&W

• Tube Material: T6 Aluminum

• Buffer Weight: 8oz (Heavy)

• Type: Pistol Buffer Tube Kit

• Includes: Castle Nut, End Plate, Spring, Foam Cover

• Finish: Anodized

• Standard: Mil-Spec

• Origin: Made in USA

  
  

  Pair this kit with the Moriarti AR-10MM 8" Complete Upper with LRBHO for a full-functioning AR-10MM pistol build.