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Rifles, Reloading, Optics, Equipment
Reloading
longer oal
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<blockquote data-quote="Kennibear" data-source="post: 904365" data-attributes="member: 51650"><p>There are too many variables to make a hard and fast rule about exceeding C.O.A.L. and adding powder. If the bullet is seated out and jams the rifling then the maximum charge could be <strong><em>LESS</em></strong>! For some monolithic bullets seating deeper allows more powder to be loaded as the initial resistance (inertia + friction) is lower as the jump to the rifling helps lower the friction of engraving of the bullet.</p><p></p><p>Predictions aside, you seat a bullet out longer to improve accuracy and if you drop some pressure then more powder becomes an option. But adding powder can kick the accuracy back to square one also.</p><p></p><p>My thoughts are to seat the bullet out close to the rifling. Check for accuracy. Check to see if the round feeds through the mag. Check the pressure signs. If it is all good then I bump the bullet closer to the lands and try again. Repeat until the bullet seats home or the accuracy falls off. <em>Then</em> think about changing the powder charge.</p><p></p><p>The exception is with cast bullets I seat into the rifling and adjusting the powder charge. I have never had a cast bullet shoot off the rifling.</p><p></p><p>KB</p></blockquote><p></p>
[QUOTE="Kennibear, post: 904365, member: 51650"] There are too many variables to make a hard and fast rule about exceeding C.O.A.L. and adding powder. If the bullet is seated out and jams the rifling then the maximum charge could be [B][I]LESS[/I][/B]! For some monolithic bullets seating deeper allows more powder to be loaded as the initial resistance (inertia + friction) is lower as the jump to the rifling helps lower the friction of engraving of the bullet. Predictions aside, you seat a bullet out longer to improve accuracy and if you drop some pressure then more powder becomes an option. But adding powder can kick the accuracy back to square one also. My thoughts are to seat the bullet out close to the rifling. Check for accuracy. Check to see if the round feeds through the mag. Check the pressure signs. If it is all good then I bump the bullet closer to the lands and try again. Repeat until the bullet seats home or the accuracy falls off. [I]Then[/I] think about changing the powder charge. The exception is with cast bullets I seat into the rifling and adjusting the powder charge. I have never had a cast bullet shoot off the rifling. KB [/QUOTE]
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Reloading
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