If its not to fugged up. Use a stiff wire brush 1st, apply a light coat of oil and then slowly thread on the new muzzle brake. It should cut into the old grooves. If not diffidently send it to Bert!!
If its not to fugged up. Use a stiff wire brush 1st, apply a light coat of oil and then slowly thread on the new muzzle brake. It should cut into the old grooves. If not diffidently send it to Bert!!
Last edited by DSB OUTDOORS; 03-04-2014 at 17:07.