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Rifles, Reloading, Optics, Equipment
Gunsmithing
Adding a shoulder?
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<blockquote data-quote="112Savage" data-source="post: 1769096" data-attributes="member: 38801"><p>Everyone unnecessarily worries about barrel wall thickness and flaring of the crown portion of the barrel. I have a 9.3X62 Zastava M70 that has a muzzle diameter of 0.565". So with a 0.366" bore that leaves 0.998" wall thickness. Now some real smart people will say that 9.3X62 isn't a high pressure cartridge, but even without modern pressure that's a lot of mass going through the barrel and the factory thought it had sufficient thickness. 1/2x28 is THE threading for 22 caliber barrels and is completely sufficient. The OP just needs to have a shoulder built up on his rifle.</p></blockquote><p></p>
[QUOTE="112Savage, post: 1769096, member: 38801"] Everyone unnecessarily worries about barrel wall thickness and flaring of the crown portion of the barrel. I have a 9.3X62 Zastava M70 that has a muzzle diameter of 0.565". So with a 0.366" bore that leaves 0.998" wall thickness. Now some real smart people will say that 9.3X62 isn't a high pressure cartridge, but even without modern pressure that's a lot of mass going through the barrel and the factory thought it had sufficient thickness. 1/2x28 is THE threading for 22 caliber barrels and is completely sufficient. The OP just needs to have a shoulder built up on his rifle. [/QUOTE]
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Adding a shoulder?
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