Fits: AR-15 variants. Does Not fit AR-10 or .308 Variants - 12 Slim Rifle-Length Free Float Forend - Military Type III Anodized 6061 T6 Aluminum - Forend weighs 7.2 oz. (204 g.) * Ultra-light and ridged steel mounting - Seamless Intergraded top rail - M-LOK Mounting locations on 3 sides for rails or compatible accessories. - Place rails or accessories into any Position on the Forend for Nearly Unlimited Customization. - 4140V Steel Barrel Nut for perfect location of the forend. - All mounting hardware included - Virtually Indestructible - Limited Lifetime Warranty - Made in the USA - Notes: - Forend Requires a Low-Profile Gas Block for Installation. - Forend weights do not include the weight of barrel nut