Quick view Yankee Hill Machine Yhm 10" M-lok Handguard Mr7 Assy Blk $137.75 The MR7 is one of YHMs lightest handguards to date, but you can still add accessories along the entire handguard length, even at every 45 degree position. Note: This handguard features a T marked extended top rail.Features : The Top Rail is a T-marked... Compare Add to Cart