6 Position Mil-Spec Carbine AR15 Buffer Tube

$ 24.99

Machined from 7075 T-7 aluminum, this mil-spec buffer tube is the perfect fit for your adjustable carbine buttstock. Six precision-machined notches on the underside provide plenty of options for setting length-of-pull. Perfect for a custom build, installing a mil-spec stock on a civilian carbine, or updating a fixed-stock rifle with an adjustable M4 stock. Machined from a lightweight aluminum extrusion then hardcoat anodized, and dry film lube-coated inside for smooth movement of the buffer and buffer spring. Requires carbine recoil spring and buffer, lock ring, and receiver plate, all available separately.


  • 7075 T-7 Aluminum 6 Position Buffer Tube Receiver Extension - Hard Coat Anodized to Mil-8625F Type 2 Class 1