Presma® AR-10 LR 308 Super Light M-LOK Series Free Float Handguards with Partial Top Rail, 17" DPMS Low Profile.  SKU M38MP/L17

AR 10 LR .308, 17" length free float rail mount with partial Picatinny Top rail and M-LOK slot system.  Steel barrel nut included.  CNC machined from Quality aluminum and black anodized. Super light weight, only 15oz with barrel nut.

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.

Specs:  17" Long, 2" wide, 2.25" tall.
Weighs 15oz.
I.D. - There are small reinforcement ridges inside.  Ridge to ridge I.D. is 1.48".  Interior wall to wall I.D. is 1.57"