US Auto Weapons USM4 Special Forces 5.56 NATO Complete AR-15 Lower Receiver, 6-Position Stock, Black Anodized Finish – US Autoweapons USM456SF
USM4 Special Forces lower receivers are machined from 7075-T6 billet aluminum, bead blasted then hard anodized. Our close tolerances ensure a firearm with virtually no play between the upper and lower receivers.
Every USM4 Special Forces lower receiver is 100% made in the USA, completely Mil-Spec, and fully endorsed by US Special Forces Association.
US Auto Weapons USM456SF USM4 Complete Lower 5.56 Basic Black US Autoweapons Special Forces Semi-automatic 223 Rem 556NATO N/A Black 6 Position Cert. Special Forces Logo USM456SF * Accessories – Cert. * Action – Semi-automatic * Barrel Length – N/A * Description – Special Forces Logo * Finish/Color – Blk * Caliber – 223 Rem * Caliber – 556NATO * Grips/Stock – 6 Position * Manufacturer – US Autoweapons * Manufacturer part # – USM456SF * Model – Special Forces
Specifications and Features:
.223 Rem/5.56mm NATO
7075-T6 billet aluminum
Hard Anodized black Finish
Certified Special Forces Logo