Yhm's m-lok hand stop / barrier stop easily mounts on m-lok rails including yhm black diamond and mr7 series to provide excellent weapon control.The textured front side is for superior traction on barriers and obstacles.The unit allows the use of a q.D.Sling swivel (yhm-9466) from either side.Also allows the use of clip or safety lock slings on the front slot.Made from hardcoat anodized 6061-t6 aluminum.Includes all mounting hardware.Requires 1/8" hex allen wrench to install.6061-t6 aluminum.Mil-spec hardcoat anodized.Length: 1 3/4".Height off the hand guard: 1 1/4".Weight:.75 oz..Accepts q.D.Sling swivel on either side.Accepts clip or safety lock slings on the front slot.Can be mounted on the hand guard in reverse, as a barricade supportModel: Hand StopFinish: Hardcoat AnodizedColor: Black