The Dead Air KeyMo Adapter is compatible with any Dead Air KeyMo or Key Micro muzzle brake or flash hider to make installing and removing your suppressor faster and easier. KeyMo systems can only attach to your rifle one way, making it a totally repeatable process with no point-of-impact shift, even when you're swapping it between firearms. It's made from 17-4 stainless steel and features black nitride and Cerakote finishes for superior corrosion resistance. Allows for fast, repeatable attachment to multiple firearms 17-4 stainless steel construction Black nitride and Cerakote finishes