The REARDEN FHD FH 5/8-24 HT is a testament to Rearden's unwavering commitment to innovation and excellence in firearm accessories. Crafted from durable 17-4 PH H900 stainless steel, this flash hider is designed to withstand the rigors of use while providing reliable performance. Its compatibility with Atlas, Atlas XL, and Plan B mounts ensures that you can seamlessly integrate this muzzle device into your existing setup, making it an ideal choice for shooters looking to optimize their rifle's performance. The updated design features larger wrench flats on the rear, facilitating easier installation and adjustment. The H900 heat-treated finish not only adds a striking gold hue but also enhances durability, ensuring that this flash hider can endure the toughest conditions. While shims are not included, they may be necessary for precise timing, especially if your barrel lacks a thread relief. It's essential to note that using this device on a Q can may void your manufacturer warranty, so careful consideration is advised. Whether you are a competitive shooter or a dedicated hunter, the REARDEN FHD FH 5/8-24 HT is engineered to meet your needs, providing a reliable solution for reducing muzzle flash and improving accuracy in the field. With Rearden's philosophy of "can't is not in our vocabulary," you can trust that this product embodies the spirit of innovation and performance that defines the brand.