Yankee Hill Machine MR7 M-LOK Free Float Handguard, 9.29 in., Mid Length, AR-15 The Yankee Hill Machine MR7 is one of YHM's lightest handguards, yet it has M-LOK slots along its full length at every 45 degree position plus a T marked Picatinny top rail. Front and rear slots accept the YHM Q.D. swivel sling mount. This mid length model is 9.29 in. long and 11.29 oz, 6061-T6 aluminum with a mil spec hard coat. It comes with the barrel nut, jam nut, anti rotation screws and instructions. Key Features M-LOK at every 45 degrees. T marked top rail. Very light free float. 11.29 oz. Barrel nut and hardware included. Specifications Manufacturer Yankee Hill Machine Model MR7 M-LOK Handguard, 9.29 in., Mid Length Part Number YHM-5325 UPC 816701019742 Length 9.29 in. System Mid length Inner diameter 1.75 in. Weight 11.29 oz Material 6061-T6 aluminum Finish Hard coat anodized, matte black Includes Barrel nut, jam nut, anti rotation screws, instructions FAQs Where are the M-LOK slots? Along the full length at every 45 degree position. Is a barrel nut included? Yes. How much does it weigh? 11.29 oz. Compare more handguards, rails and bases at BattleHawk Armory.