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Rifles, Reloading, Optics, Equipment
Gunsmithing
Minimum Barrel Shoulder?
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<blockquote data-quote="tobnpr" data-source="post: 2187186" data-attributes="member: 68758"><p>I like .100, have done as little as .025 with caveats...</p><p>In your example, the .040 is in a perfect world- depending on the barrel, it will be less on one side and more on the other. Match grade barrels will be pretty close, low-tier commercial barrels could have a bore that's off by five or ten thousandths from center of OD.</p><p></p><p>Really "depends".</p><p></p><p>For me, using Rocksett is a substitute for torque- to a point.</p><p>Shoulders align the parts for perfect concentricity; if I've got to deal with a less than optimal shoulder I use less torque to avoid damaging the small surface area and rely on Rocksett to hold that positioning and not allow the brake to vibrate loose.</p><p></p><p>Also- big difference between a brake that might extend an inch, or two from the muzzle- and an 8" or 10" suppressor in terms of the potential for bullet strikes. I'd do a short brake at .040, but not a suppressor.</p></blockquote><p></p>
[QUOTE="tobnpr, post: 2187186, member: 68758"] I like .100, have done as little as .025 with caveats... In your example, the .040 is in a perfect world- depending on the barrel, it will be less on one side and more on the other. Match grade barrels will be pretty close, low-tier commercial barrels could have a bore that's off by five or ten thousandths from center of OD. Really "depends". For me, using Rocksett is a substitute for torque- to a point. Shoulders align the parts for perfect concentricity; if I've got to deal with a less than optimal shoulder I use less torque to avoid damaging the small surface area and rely on Rocksett to hold that positioning and not allow the brake to vibrate loose. Also- big difference between a brake that might extend an inch, or two from the muzzle- and an 8" or 10" suppressor in terms of the potential for bullet strikes. I'd do a short brake at .040, but not a suppressor. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Minimum Barrel Shoulder?
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