ebay
1/2x28 Engraved Hybrid Muzzle Brake Comp + Concussion Sleeve .223/5.56/.22LR
Brand: Unbranded
$38.95 USD
Muzzle Brake is CNC machined heat treated steel. Answer: The little ring in the bag is a crush washer, not a robot donut. The washer will allow you to torque the brake until it is indexed properly. Check out a muzzle brake install on youtube to see it done.
You might also like
Loading…