ODIN Works AR-10 15.5in .308 O2 Lite Free Float Forend M-LOK High Profile Black F-15-ML-O2-308-2.06. Designed to work with DPMS pattern uppers the forend works with both high(2.06) and low(2.00) profiles. The O2 Lite is the latest and lightest of all the ODIN Works forends. Precision machined from 6005-T651 the O2 lite is a full 20percent lighter than its predecessors. All ODIN Works forends are free floating for accuracy and hard anodized for durability. Specifications for ODIN Works AR-10 O2 Lite Forend: Manufacturer: ODIN Works Color: Black Fabric/Material: 6005-T651 Aluminum Gun Make: AR Platform Gun Model: AR-10 Gun Type: Rifle Handguard Length: 15.5 in Gun Rail: M-LOK Weight: 7.3 oz Condition: New Additional Features: Forend adapter threading - 1 7/16 16 Included Accessories: Standard Quantity: 1 Features of ODIN Works AR-10 O2 Lite Forend Forend adapter threading: 1 7/16 16. Weight: 8.05 oz (without hardware-hardware weight: 2.7oz) Free float. Made from 6005-T651 Aluminum. Inside diameter: 1.75" Outside diameter: W-1.95" H-2.23" Engineered with advanced ergonomics for comfort and improved performance. Accessory rails can be placed at 3 6 and 9 o'clock positions and can be joined to create continuous Pic Spec Rail. QD sling mount positions at 3 and 9 o'clock. Made to fit Magpul QD. Package Contents: ODIN Works AR-10 O2 Lite Forend Barrel Nut/ Forend Adapter 5 slot accessory rail Screws and Allen Wrench ODIN Works F-15-ML-O2-308-2.06: AR-10 15.5in .308 O2 Lite Free Float Forend M-LOK High Profile Black