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Long Range Hunting & Shooting
Barrel break in accuracy
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<blockquote data-quote="nksmfamjp" data-source="post: 2459597" data-attributes="member: 1951"><p>It is easy to get excited. First, I would decide….do you want it throated for hammers seated long, or are you ok seated at this length. I would settle that in my mind.</p><p></p><p>Then I shoot a ladder looking for a light load that fully forms the case. This load is odd in that bullets are seated slightly into lands and with a false shoulder that closes slightly firmly. This is typically a light load that forms the case….oddly, it usually shoots quite well with whatever bullets.</p><p></p><p>Then, with formed, annealed, fl sized brass, I load a ladder to find pressure and see where the bullets are flying. If they fly to similar POI with variation in powder charge. If they are not flying to similar POI, I'm thinking about a next bullet.</p><p></p><p>If ok, I will shoot some 3 round groups varying charge weight to get to a rough weight for use when setting oal. I shoot 2 shot groups looking for seating depth…3 if it looks promising. The 5 groups of 5 to find best Sd and best accuracy charge weight. If below target, I might fine tune depth.</p></blockquote><p></p>
[QUOTE="nksmfamjp, post: 2459597, member: 1951"] It is easy to get excited. First, I would decide….do you want it throated for hammers seated long, or are you ok seated at this length. I would settle that in my mind. Then I shoot a ladder looking for a light load that fully forms the case. This load is odd in that bullets are seated slightly into lands and with a false shoulder that closes slightly firmly. This is typically a light load that forms the case….oddly, it usually shoots quite well with whatever bullets. Then, with formed, annealed, fl sized brass, I load a ladder to find pressure and see where the bullets are flying. If they fly to similar POI with variation in powder charge. If they are not flying to similar POI, I’m thinking about a next bullet. If ok, I will shoot some 3 round groups varying charge weight to get to a rough weight for use when setting oal. I shoot 2 shot groups looking for seating depth…3 if it looks promising. The 5 groups of 5 to find best Sd and best accuracy charge weight. If below target, I might fine tune depth. [/QUOTE]
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Barrel break in accuracy
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