This is a Odin Works Forend known as the O2 Lite, model F-12-ML-O2.
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.
Features:
Free float.
Weight (without hardware): 5.6oz
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;Engineered to allow for low profile gas block to fit inside.
