Introducing the Crux Suppressors Crusader Blast Shield. This blast shield mounts to any of our Brakes or Flash Hiders and give you two great benefits. 1) Works as a Blast Shield for your muzzle. 2) Works as a thread protector for your PMS system.
This device screws on directly to your PMS threading on your brake or flash hider, no additional modification is needed. It comes in two variations, with or without ports.