Need tips re shooting my "antique" Parker Hale 1853

Progressive rifling has nothing to do with tightness of the bore - it simply means that the rifling gets into a slightly tighter spiral 'twist' toward the muzzle - also called 'gain twist'. tac[/QUOTE said:
Progressive DEPTH rifling. The grooves are deeper at the breech than at the muzzle. Used on British military rifles from the P'53 to the SMLE, until the Great War. The No.4 rifle finally did away with it for good. No British weapons that I know of ever used a gain twist.
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BUSHMAN79 said:
Progressive DEPTH rifling. The grooves are deeper at the breech than at the muzzle. Used on British military rifles from the P'53 to the SMLE, until the Great War. The No.4 rifle finally did away with it for good. No British weapons that I know of ever used a gain twist.
Click to expand...

Omitting the word 'DEPTH' is what threw me.

tac
 
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