Mil-Spec Pistol Buffer Tube Assembly

Complete your AR pistol build with the heavy-duty Mil-Spec Pistol Buffer Tube Assembly. Engineered to provide smooth cycling and rock-solid reliability, this complete receiver extension kit contains every component needed to install a dedicated pistol buffer system on your AR-15 or AR-9 pistol platform.

Precision-machined in the USA from ultra-durable 7075-T6 forged aluminum, the pistol buffer tube features a smooth 1.25" outer diameter. This standard diameter ensures seamless compatibility with popular ATF-compliant pistol storage devices, cheek rests, and foam covers.

This all-in-one assembly comes ready to install, featuring a standard 3.0 oz carbine recoil buffer, high-tensile steel carbine buffer spring, heavy-duty steel receiver end plate, and a precision-machined 4140 steel castle nut. Available in classic Hardcoat Black Anodize or custom Cerakote finishes to complement your pistol's color profile.

Key Features & Specifications:

• 1.25" Outer Diameter: Smooth outer profile engineered to fit standard AR pistol cheek rests and accessories.
• 7075-T6 Aluminum Tube: CNC-machined from high-strength aerospace-grade 7075-T6 aluminum for rugged durability.
• Complete Assembly: Includes pistol buffer tube, standard carbine buffer, recoil spring, end plate, and castle nut.
• Mil-Spec Compatibility: Fits all standard AR-15, AR-9, and multi-caliber pistol lower receivers.
• Finish Options: Available in Hardcoat Black Anodize or durable custom Cerakote options.
• American Made: Proudly manufactured 100% in the United States.