Specifications:

• For 223/5.56
• 15″ length free float rail mount with partial Picatinny Top rail and M-LOK slot system
• CNC machined from Quality aluminum
• Black anodized

A true free float rail, which connects only at the Steel barrel nut. Since the rail doesn’t touch the barrel, shooting accuracy is improved in comparison with two piece rails, when used with grips / bipods that can flex the Steel barrel.
Includes steel barrel nut, screws, (2) shim rings for barrel nut timing, (2) 3 slot M-LOK rail segments, (2) 7 slot M-LOK rail segments and M-LOK screw set.