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Rifles, Reloading, Optics, Equipment
Gunsmithing
Barrel too small for 1/2" threadding?
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<blockquote data-quote="DSheetz" data-source="post: 1703516" data-attributes="member: 91783"><p>A.555 outside dia. is only .055 over 1/2 " so to keep it from having to tight of threads it needs turned to .500 then you cut your threads to depth , according to the number of threads per inch how deep . If you are running a .224 bullet you have .331 - half for .1655 barrel meat per side for thread depth before you cut through to the bore . If I was to be ask to cut those threads I would tell you no for my peace of mind that I wasn't going to get you hurt . If you wanted to thread something up against as a stop and to bind it on against a shoulder that would give you a shoulder of .0255 so you would be better off not using a shoulder but using the end of the barrel to butt up against so you really wouldn't have enough of a shoulder . running that small of a barrel I'm not sure why one might want a brake but that's just me . If you had to have a shoulder to time the brake that would be why he wanted to do 7/16 so he could have a shoulder but then he could make some measurements and time it off of the muzzle just as easy as a shoulder.</p></blockquote><p></p>
[QUOTE="DSheetz, post: 1703516, member: 91783"] A.555 outside dia. is only .055 over 1/2 " so to keep it from having to tight of threads it needs turned to .500 then you cut your threads to depth , according to the number of threads per inch how deep . If you are running a .224 bullet you have .331 - half for .1655 barrel meat per side for thread depth before you cut through to the bore . If I was to be ask to cut those threads I would tell you no for my peace of mind that I wasn't going to get you hurt . If you wanted to thread something up against as a stop and to bind it on against a shoulder that would give you a shoulder of .0255 so you would be better off not using a shoulder but using the end of the barrel to butt up against so you really wouldn't have enough of a shoulder . running that small of a barrel I'm not sure why one might want a brake but that's just me . If you had to have a shoulder to time the brake that would be why he wanted to do 7/16 so he could have a shoulder but then he could make some measurements and time it off of the muzzle just as easy as a shoulder. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Gunsmithing
Barrel too small for 1/2" threadding?
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