mharris Posted January 17, 2013 Report Share Posted January 17, 2013 Ok, continuing with barrel questions. We have a jp long muzzle break. Of coarse it doesnt match up. So we either need a crush washer, lock nut, or machine the back of the break down. Now I have heard that since the barrel thread is 5/8x24 and it is .925 that the crush washer and peel washer are not an option. So what are my options? I think machining the back down would be sweet, but I dont know anyone that can do that. Quote Link to comment Share on other sites More sharing options...
98Z5V Posted January 17, 2013 Report Share Posted January 17, 2013 Indexing shims, for your barrel diameter. <thumbsup>The mounting area is 5/8", so it doesn't matter what your barrel size is. PWS makes the shim kit, Brownell's sells it (temp out of stock) and nokick.com has it in stock. $4.50. Quote Link to comment Share on other sites More sharing options...
washguy Posted January 17, 2013 Report Share Posted January 17, 2013 Indexing shims, for your barrel diameter. <thumbsup>The mounting area is 5/8", so it doesn't matter what your barrel size is. PWS makes the shim kit, Brownell's sells it (temp out of stock) and nokick.com has it in stock. $4.50.What 98Z said! ^^^^^ Wash Quote Link to comment Share on other sites More sharing options...
tonyrnai@gmail.com Posted January 20, 2013 Report Share Posted January 20, 2013 off topic a little, but i could use a little advice. I just went to install a JP muzzle brake on my lr308. finger tight i still had about 290 degrees to time it. 25 pounds of torque wouldnt come close. i put my old crush washer on and it came around fine with 20 pounds. is this okay to use? and yes it is right side up (ports at top). Quote Link to comment Share on other sites More sharing options...
unforgiven Posted January 20, 2013 Report Share Posted January 20, 2013 Looks good brother,if you are worried about getting loose that rockset takes a good bite. <dontknow> Quote Link to comment Share on other sites More sharing options...
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