Product DescriptionThe GG&G ETI UFIR (Under Foregrip Integrated Rail) is a unique under-handguard accessory rail designed for AR-15/M16 rifle handguards. It installs directly into the vent holes of the lower handguard without removing the handguard from the weapon and without requiring backing bushings, nut-serts, or other miscellaneous fasteners. Its integral camming attachment system allows quick installation and removal using a flat-tip screwdriver, while providing a MIL-STD-1913 (Picatinny) dovetail for mounting a flashlight, bipod, or other accessories. Constructed from 6061-T6 aluminum and finished in Type III hard-coat anodized matte black to mil-spec, it is built for durable, lightweight performance.Product Highlights Installs through lower handguard vent holes-no need to remove the handguard from the rifle Integral camming attachment system for easy on/off with a flat-tip screwdriver MIL-STD-1913 Picatinny dovetail for mounting lights, bipods, and other rail-compatible accessories 6061-T6 aluminum construction with Type III hard-coat anodized matte black mil-spec finish Lightweight design (approx. 1.9 oz) with manganese-phosphated steel componentsSpecs Brand: GG&G, Inc. Manufacturer Part Number: GGG-1120 UPC: 813157000461 Compatibility: AR-15/M16 rifle handguards Rail Standard: MIL-STD-1913 (Picatinny) Overall Length: Just over 5 inches (listed as 5 in) Weight: 1.9 oz Material: 6061-T6 aluminum alloy Finish: Type III hard-coat anodized, matte black (mil-spec) Steel Components: Manganese phosphated black Country of Origin: United States of AmericaDisclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the products manufacturer.