Crafted from high-quality 17-4 stainless steel, these muzzle devices are built for exceptional durability and long-lasting performance. Designed for effortless installation, they seamlessly integrate with suppressors in the expanding Sylvan Arms suppressor line, ensuring a secure and reliable fit. Functioning as an effective flash hider on its own, this versatile device simply screws onto the appropriate barrel thread and tightens easily with an armorer's wrench. No crush washer or spacers are required, making installation quick and hassle-free. The 17-4 SS is heat-treated after machining to increase strength and durability Nitride black surface treatment, improving the wear resistance and corrosion protection of your components The length measures 2.45 inches for precise fit and function