7 inch: 9 M-LOK® Slots Across 3 Slot Tracks for Mounting Accessories with an Additional 4 Slots at the Front Along the 45 Degree Tracks.5 inch: 3 M-LOK® Slots Across 3 Slot Tracks for Mounting Accessories.Includes M-LOK® Picatinny Rail Section, QD Sling Swivel Adaptor, Installation Hardware, and Barrel Nut Wrench.Forged AR15 Upper Receivers, Compatibility with Billet Upper Receivers is Not Guaranteed, Barrel Nut Fits Over Barrel Diameters up to 1.05″ Compatible with Left or Right Handed Mil-spec Upper Receivers.Patented Titanium Barrel Nut Requires no Timing of the Gas Tube or its Installation Screws.Integral Anti-rotation Tabs Accurately Aligns Upper Receiver and Prevents Handguard Rotation and Flex.

3-Slot Top Picatinny Rail at the Front and Rear of the Handguard.Ergonomic Octagonal Profile with Thoroughly Machined Lightening Cuts.It is compatible with left or right-handed Mil-Spec upper receivers and includes all the necessary tools required for installation. The UTG Pro Forerunner is available on 5″, 7″, 10″, 14″, 15″, 17″ lengths, and each size is designed with a 3-Slot top Picatinny rail at the front and rear for mounting sights, optics, and other accessories.

The patent-pending steel barrel nut also requires no timing of the gas tube or its installation screws, making it quick and easy to install. The UTG Pro Forerunner M-LOK Free Float Handguard is precision machined from 6061-T6 aluminum with a matte black hard coat finish and designed with integral anti-rotation tabs that accurately align it to the upper receiver to prevent the handguard’s rotation and flex.

It has a lightweight design that increases the airflow around the barrel that promotes improved barrel harmonics for increased cooling and helps increase accuracy by easy and more comfortable weapon handling. The UTG Pro Forerunner is a stylish, free-floated M-LOK Handguard for AR-15 with an interrupted top-rail that provides plenty of space for your favorite sights and accessories while drastically reducing weight for your AR build. A Durable & Stylish Free Float Handguard Made Affordable For Your AR

Utg pro super slim free float handguard