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Rifles, Reloading, Optics, Equipment
Reloading
Fast powder vs Slow powder ????
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<blockquote data-quote="uncleB" data-source="post: 241238" data-attributes="member: 4679"><p>Iron Worker,</p><p>You show muzzle velocities of the two loads but how about the SD numbers. IMR4007ssc is in the same burn rate as H380 that would be a great powder for 50grain bullets but for 80's I am guessing the SD is high.</p><p>If your rifle does not like H4831 tinker with other powders in the appropriate burn rate like IMR4831 on the fast side and N165 ,RL22 and IMR7828 on the slow side and when chronographing try and find a load that has good muzzle velocity and single digit SD numbers.</p><p>Your most consistent load with good muzzle velocity is 1000 times better than the fastest load with a SD of 50.</p><p>UB</p></blockquote><p></p>
[QUOTE="uncleB, post: 241238, member: 4679"] Iron Worker, You show muzzle velocities of the two loads but how about the SD numbers. IMR4007ssc is in the same burn rate as H380 that would be a great powder for 50grain bullets but for 80's I am guessing the SD is high. If your rifle does not like H4831 tinker with other powders in the appropriate burn rate like IMR4831 on the fast side and N165 ,RL22 and IMR7828 on the slow side and when chronographing try and find a load that has good muzzle velocity and single digit SD numbers. Your most consistent load with good muzzle velocity is 1000 times better than the fastest load with a SD of 50. UB [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Fast powder vs Slow powder ????
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