The Guntec USA 1326-MB-P-S-RPVD Micro Slip Over Barrel Shroud enhances your shooting with exceptional performance and striking design. Expertly crafted from lightweight T6 aluminum, this robust accessory features a stunning rainbow PVD coating that not only looks great but also provides unmatched functionality for your 9mm firearms. US Made T6 Aluminum New Micro Design Total Weight: 3.2 oz Length: 3 Compatible with 9mm, 1/2 x 28 Thread Threads begin approx 1.25 down the shroud Dual Purpose: Barrel Shroud and Muzzle Compensator Easy Slip Over Installation Multi Porting "Gatling Gun" Style Reduces Felt Recoil Up To 70% Covers 1 5/8 of the Barrel ID: 0.5 Compatible with 5.56 Cal OD: 1.1875 Designed for AR Pistols Elevate your shooting experience with the Guntec USA Micro Barrel Shroud, where precision meets innovation.