The Dead Air KeyMo .30 Flash Hider - 5/8x24 lets you get the most out of your favorite firearm and suppressor combo. This flash hider is designed to prolong the life of your suppressor and doesn’t sit deep into the blast chamber to help minimize focused erosion on your baffles to help maximize use and sound performance. Featuring durable 4140 steel construction with a corrosion-resistant nitride coating, this flash hider gives you a lightweight mounting option with unmatched repeatability and solid return to zero and is perfect for securely mounting your suppressor. Compatible with most Dead Air suppressors. 5/8x24 threads.