Odin Works O2 Lite M-Lok Handguard AR15 7.5"

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 20% lighter than its predecessors. All ODIN Works forends are free floating for accuracy and hard anodized for durability.
 
Technical Specs
Free float.
Weight (without hardware): 3.95oz 
Hardware weight: 2.7oz
Made from 6005-T651 Aluminum.
Inside diameter: 1.6"
Outside diameter: W-1.8" H-2.16"
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. Four or more QD attachment points. Made to fit Magpul QD.