Introducing the Mod 4 Handguards where premium craftsmanship meets tactical excellence. Part of our PRO Series the Mod 4 handguards are designed for those who demand the highest quality in performance reliability and style. – Engineered with precision the Mod 4 handguards offer a robust and lightweight build ensuring both durability and comfort. Available in a range of lengths to suit various firearm configurations these handguards are expertly designed to enhance your shooting experience. – Features: – Eliminated center of top rail for weight reduction – Indexing grooves in 12:00 position for positive grip control – Quick disconnect sling socket at the 3 6 and 9 o’clock positions – Compatible with low profile gas blocks – 1.3 Inside diameter – 1.5 Outside diameter – Compatible with mil-spec AR15 and M4E1 upper receivers and barrels – Includes: – 9.1 Mod 4 Handguard – M-LOK attachment system – Anodized Black finish – Mod 4 Handguards are designed to match seamlessly with our M4E1 Upper Receivers including components from the PRO series. Additionally the Mod 4 handguards are compatible with Mil-Spec AR-15 upper receivers. – Platform AR15 – Material Machined from 6061-T6 aluminum – Handguard Length 9.1 – Finish Anodized Black – Weight(s) 5.27 oz – Other Handguard Screw Torque – 55+/-5 in-lbs