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Long Range Hunting & Shooting
Load development
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<blockquote data-quote="User4302021" data-source="post: 1554141" data-attributes="member: 105322"><p>What I do, is run a load ladder of three rounds per charge at max acceptable length, in 1% increments from low to high. I use the Magnetospeed and watch velocity, along with other indicators such as base expansion, powder residue appearance and location, primer flattening, and ejector marks.</p><p></p><p>When I find max I back off just enough to keep me out of trouble when the temps reach 100*F, so this changes from summer to winter. Winter is usually around 2%, in summer around 1%. I start seating bullets into the case from my max acceptable length in .005" increments. At some point, usually as the base of the bullet is starting to slightly compress the powder, the SD's tighten up.</p><p></p><p>I then work the seating depth within this small range, usually within .015", and pick the one that shoots the best at 200 yards. In every case so far, this has proved to be the best that this combo will do in my gun.</p></blockquote><p></p>
[QUOTE="User4302021, post: 1554141, member: 105322"] What I do, is run a load ladder of three rounds per charge at max acceptable length, in 1% increments from low to high. I use the Magnetospeed and watch velocity, along with other indicators such as base expansion, powder residue appearance and location, primer flattening, and ejector marks. When I find max I back off just enough to keep me out of trouble when the temps reach 100*F, so this changes from summer to winter. Winter is usually around 2%, in summer around 1%. I start seating bullets into the case from my max acceptable length in .005" increments. At some point, usually as the base of the bullet is starting to slightly compress the powder, the SD's tighten up. I then work the seating depth within this small range, usually within .015", and pick the one that shoots the best at 200 yards. In every case so far, this has proved to be the best that this combo will do in my gun. [/QUOTE]
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