FTW "SHTF" Stripped AR15 Billet Lower Receiver

FTW's Lower Receivers are machined from a solid block of aerospace grade aluminum alloy on a 4-axis CNC machine. They are then hand finished and anodized with a Mil-Spec type III hard anodizing. Type III Class II Black Anodizing Standard .154" Diameter Trigger & Hammer Pin Holes Caliber: "Multi" Model: "SHTF" Serial # Range: "FU-####" Integral Winter Trigger Guard Reinforced Buffer Tube Area Flared Magwell Compatable With USGI & Magpul GEN2 & 3 Magazines No Roll Pins Required For Assembly Installed Upper Tensioning Screw To Reduce Upper Play Lifetime Warranty Against Defects Or Product Failure