The UTG Pro Super Slim SD Handguard utilizes the M-Lok accessory attachment system for incredible weight savings as well as superior cooling, ergonomics, and modularity while maintaining the strength and durability. The UTG Pro utilizes a proprietary barrel nut for user friendly installation. The UTG handguard also provides modern flat-top upper receivers with a free-floating, continuous, uninterrupted upper rail platform and with integrated anti-rotation tabs for easy alignment. The UTG Pro handguard can be used with a low-profile gas block on pistol, carbine, or mid-length gas systems. It is designed to fit standard gas tube and barrel diameter not exceeding 1.05". The handguard is not compatible with piston system, re-designed or over-sized upper Receivers. Includes M-LOK Picatinny Rail Section, QD Sling Swivel Adaptor, Installation Hardware, and Barrel Nut Wrench. Features 1.67" Inner Diameter for Suppressors to Fit within Handguard Precision Machined from 6061-T6 Alum...