The UTG Pro Leapers MTU045SEM Arwen Handguard is precision machined from 6061-T6 aluminum and finished in a matte black hard coat anodization, delivering a durable, corrosion-resistant platform for modern AR builds. This handguard offers 15 M-LOK slots across three slot tracks plus an additional four slots at the front along the 45-degree tracks, enabling versatile accessory mounting while maintaining a slim, ergonomic profile. A full-length 24-slot top Picatinny rail sits flush and continuous with the upper receiver for reliable optic or rear-backup sight mounting, and the octagonal silhouette features thoroughly machined lightening cuts for reduced weight and improved grip. Integral anti-rotation tabs precisely align with the upper receiver to prevent rotation and flex during use, while a patented steel barrel nut eliminates the need to time the gas tube or install screws, simplifying installation. Compatible with left or right-handed mil-spec upper receivers and standard mil-spec forged AR15 uppers (billet upper compatibility not guaranteed), it accommodates barrel diameters up to 1.05 inches and measures 9.75 inches in actual length from the receiver to the handguards end, making it ideal for precision rifles and versatile field setups.