Presma AR-10 LR 308 Super Light M-LOK Series Free Float Handguards 19in DPMS Low Profile Black. 308 free float rail mount with full Picatinny Top rail and M-LOK slot system. Steel barrel nut included. CNC machined from Quality aluminum and black anodized. Super light weight. 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. Specifications for Presma AR-10 LR 308 Super Light M-LOK Series Free Float Handguards DPMS Low Profile: Manufacturer: Presma Color: Black Finish: Anodized Fabric/Material: 6061-T6 Aluminum Gun Make: AR Platform Gun Model: AR-10 Gun Type: Rifle Gun Rail: M-LOK Included Accessories: Standard Mount Type: M-LOK Quantity: 1 Package Contents: Presma AR-10 LR 308 Super Light M-LOK Series Free Float Handguards DPMS Low Profile Screws Allen wrench Rail section Presma M38M/L19: AR-10 LR 308 Super Light M-LOK Series Free Float Handguards 19in DPMS Low Profile Black