Shop › SHARPS 15" MLOK HG FULL TOP RAIL BLK SHARPS 15" MLOK HG FULL TOP RAIL BLK $151.95 Sharps Bros. 15" M-LOK Handguard, Full Top Rail, Fits AR-15 Rifles, Matte Finish, Black, Anti Rotation Tabs SBHG05 Quantity: Add To Cart Added! Sharps Bros. 15" M-LOK Handguard, Full Top Rail, Fits AR-15 Rifles, Matte Finish, Black, Anti Rotation Tabs SBHG05