4140 Heat Treated Barrel Nut - Barrel Nut and Wrench Included - Features Patented 4140 Heat Treated Torque Plate - 9.25 overall length - 8.5oz Installed Weight - 6061 Aluminum Type 3 Hard Coat Anodized - MIL-STD 1913 Picatinny Top rail - Two Integral Anti-Rotation QD Sling Sockets - Super Slim 1.5” Outside and 1.3” Inside Diameter - Three Sides of M-Lok - 5-Slot Polymer M-Lok rail included - Fully Dehorned and Deburred - 100% Made in USA- Keeps America Working - MI Lifetime Warranty
