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Rifles, Reloading, Optics, Equipment
Reloading
Hidden Pressure Reading: A Method
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<blockquote data-quote="VinceMule" data-source="post: 2876388" data-attributes="member: 122164"><p>I never try and "make" a barrel do anything, ever.</p><p></p><p>I establish what is MAX pressure, back off 2.5g, then work up in .3g increments, three-shot groups, repeat and verify.</p><p></p><p>I find max pressure by working up in .5g increments, till I find pressure, will never load that Max pressure load again.</p><p></p><p>Very tight groups are usually achieved within 30 shots, and often much less If I have forehand knowledge that the same brand of barrel and bore dia was used with my same reamer. Change twist rate, change bore dia, use different bullet, etc, all bets are off, you start from scratch.</p></blockquote><p></p>
[QUOTE="VinceMule, post: 2876388, member: 122164"] I never try and "make" a barrel do anything, ever. I establish what is MAX pressure, back off 2.5g, then work up in .3g increments, three-shot groups, repeat and verify. I find max pressure by working up in .5g increments, till I find pressure, will never load that Max pressure load again. Very tight groups are usually achieved within 30 shots, and often much less If I have forehand knowledge that the same brand of barrel and bore dia was used with my same reamer. Change twist rate, change bore dia, use different bullet, etc, all bets are off, you start from scratch. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Hidden Pressure Reading: A Method
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