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Author says the barrel was 21" and he used healthy amounts of slow burnng powders.
Is this not a contradiction: very short barrel and slow burning powder?

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Think in terms of barrel volume (pi x radius-squared x length of barrel). A .50 cal barrel has a lot of volume in only 21 inches. You do not need a 26 in barrel in a .505 Gibbs.

But the Gibbs case is huge and either you need to use a slow burning powder to fill that case up, or you have to use a filler to take up unused case volume if using a medium burning rate powder.

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Thanks for that info...that makes perfect sense...

Personally find these big bores really interesting...kind of a reflection of days gone by..

Have you had any experience with this caliber? I chuckled when the author described the scope flying off on the 11th shot..

Take care

Ripp

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ALL MEN DIE, BUT FEW MEN TRULY LIVE..

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