Shop › DD RIS II MK18 RAIL 9.5" BLK DD RIS II MK18 RAIL 9.5" BLK $485.00 Daniel Defense MK18 RIS II Rail, Free Float Forend, Fits AR Rifles, 9.55", Black 01-004-08020-006 Quantity: Add To Cart Added! Daniel Defense MK18 RIS II Rail, Free Float Forend, Fits AR Rifles, 9.55", Black 01-004-08020-006