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Miroku .45 kentucky rifle Q's

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Old 06-25-2011, 10:46 PM   #1
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Default Miroku .45 kentucky rifle Q's

Ok so had a good friend of mine that had a closet treasure of a Japanese Miroku Kentucky style rifle in .45 that he just let sit for years (how sad). I bought it off him for $60 bucks, which leads to first question...... Is this a reasonable price for this recreation of a cool piece of American History? Supprisingly it was not in bad shape at all. some very minor rust spots on the barrel that came off with just a little oil and rag. The barrel was in supprisingly good shape. I did a good hot water and soap wash with a good rinse off and then a solvent cleaning and that barrel came out clean and bright. My main question here is pertaining to maximum theoretical powder load. I shot 60grn. ffg pyrodex out to about 40yds supprisingly accurate a few times, then got a little brave and tried an 80grn. load out to 40yds again quite safely with not catastrophic failure of course (obviously since i'm using both hands to type). I have read very little on any thread about powder charges in almost any .45 cal rifle, yet alone a kentucky style. I know that .50 to .58 are the most popular of any style of BP firearm, I'm sure leading to the small ammount of information on the .45 cal. I plan on using this rifle primarily for BP deer season where I live, however it would be nice to know the safe limits of powder charge for some fun target practice at a long distance range.

I appreciate any input any of you can give on this matter. And cant wait to read and learn more about my rifle.
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Old 06-26-2011, 01:02 AM   #2
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First of all it's not a recreation of anything, just a general style with a short barrel. 60 bucks is a decent price not great but decent. 60-90 grains is normal. You're not going to have catastrophic failure with too much, just spewing a lot of unburned powder out the muzzle.
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Old 06-26-2011, 02:30 AM   #3
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Agree with what he said up there^^^^. So long as (a) you stick to black powder or a BP subsitute, like Pyrodex, and (b) NEVER fire without the bullet being fully seated against the powder charge, you will not hurt it.

ROUGH rule of thumb- 150-200% of the bore diameter in a RIFLE equals powder chage. In other words- 60-90 grains for a .45. Mostest is not always bestest.

PS- there are two kinds of muzzleloading shooters- those that HAVE forgotten to load powder before ball, and those that WILL forget.
What we have here is... failure- to communicate.
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