YHM MID-LENGTH M-LOK MR7 ASSEMBLY. It has a free-floating design featuring a T-marked extended Picatinny top rail and is made from 6061-T6 aluminum with a hardcoat anodized finish to military specifications or better. The MR7 handguard comes with all necessary parts for installation including: barrel nut jamb nut anti-rotation screws. This mid-length M-Lok handguard model weighs 11.08 oz and is 9.29" long with a matte black metal finish. Specifications for YHM 5325 MID-LENGTH M-LOK MR7 ASSEMBLY: Mfg Item Num: 5325 Supplier SKU: 100549 Category: STOCKS AND FORENDS Rails: 9.29" Picatinny Type: Handguard Firearm Type: AR-15 Material: 6061-T6 Aluminum Finish: Black Hard Coat Anodized Features: M-Lok The YHM 5325 MID-LENGTH M-LOK MR7 ASSEMBLY is a quality addition to the Yankee Hill Machine lineup. For more great deals on AR Handguards & Forends by Yankee Hill Machine please browse our Yankee Hill Machine Gun Parts page. YHM 5325 MID-LENGTH M-LOK MR7 ASSEMBLY