My RC should be approved shortly, and I am swapping barrels so no point in reattaching this muzzle device. I used this suppressed if you could not tell by the pictures. This is the 5.55 version (1/2 - 28 threads, so M4/M16/AR15).
$80 Shipped with the tool
300 Blackout barrel
22LR short barrel
First with payment, no reserving it. Discrete only.