FAB Defense M4 Buffertube MIL-SPEC for AR15 system.
Machined MIL-SPEC Aluminum Receiver Extension Tube accepts All M4-style MIL-SPEC Adjustable Carbine Buttstocks and Most Commercials.
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 or Commercial Stock on a Civilian Carbine, or Updating a Fixed-Stock Rifle With an Adjustable M4 Stock.
Machined From a Lightweight Aluminum Extrusion Then Hard Coat 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.
Weight 103 gr
Width 29 mm
Height 37 mm
Length 182 mm