The Guntec USA GT-15MLK 15" Ultra Lightweight Thin M-LOK Handguard is crafted for firearm enthusiasts seeking a blend of performance and adaptability. Engineered from high-quality T6 aluminum with a striking anodized black finish, this handguard offers an exceptional balance of durability and lightweight design, ensuring your firearm performs at its best. US Made Proprietary Barrel Nut Included M-LOK System Tight Fit Up Against Receiver T6 Aluminum Body M-LOK Rail Slides Over Barrel Nut Internal Diameter: 1.34 15" Extended Length Ultra Lightweight at 10.8 oz Heavy Duty Construction Anodized Black Finish Upgrade your firearm's capabilities with the Guntec USA GT-15MLK Handguard for unmatched reliability and performance.