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Rifles, Reloading, Optics, Equipment
Reloading
barrel length and burn rate
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<blockquote data-quote="Will Gray" data-source="post: 1874089" data-attributes="member: 65116"><p>Heavy bullets: high sectional density do best in long barrels with slow burning powder. That is why military guns have LONG barrels. The Navy's old 5" 38caliber (38 times the bore diameter) is nowhere near the gun that the 5" 54 is. The Iowa Class battleships sported 16" 50cal rifles. If you are going to shoot heavy bullets (high sectional density) you will get the best performance from a long barrel and slow burning powder. If you are shooting lighter bullets, fast powder in a shorter barrel will be fine.</p></blockquote><p></p>
[QUOTE="Will Gray, post: 1874089, member: 65116"] Heavy bullets: high sectional density do best in long barrels with slow burning powder. That is why military guns have LONG barrels. The Navy's old 5" 38caliber (38 times the bore diameter) is nowhere near the gun that the 5" 54 is. The Iowa Class battleships sported 16" 50cal rifles. If you are going to shoot heavy bullets (high sectional density) you will get the best performance from a long barrel and slow burning powder. If you are shooting lighter bullets, fast powder in a shorter barrel will be fine. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
barrel length and burn rate
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