Lightweight and comfortable the RISE Armament slimline rifle rail features a smooth thin center for enhanced grip and ease along with a free-floating barrel design for enhanced accuracy. Side and upper mounting points allow numerous customization options. - Key Features - Lightweight - Slimline profile with comfortable center grip point - Designed for free-floating barrel for improved accuracy - Accessory-friendly allowing numerous customization options - Picatinny upper rail system - Integrated sling swivel mounting points - Precision CNC machined from 6061-T6 billet aluminum - MIL-A-8625F Type III Class 2 hard anodized flat black finish - Includes bolts and steel barrel nut - Available in 11.5 13.5 and 15 lengths - Unit weight: 10.5 11.7 or 12.6 oz - Inside Diameter 1.35 - Manufactured in RISE Armament