We will be closed for Holiday travels July 1-5. Check out our sales with "USA250" promo for 10% off your order, or buy one optic adapter plate and get a 2nd for 50% off with code "Adapter50"
Crush washers are used to index a brake to a barrel. They allow you to tighten the muzzle brake as little or as much as needed to achieve proper muzzle brake alignment.
