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Author Topic: patch thickness  (Read 1866 times)

Offline hortonstn

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patch thickness
« on: March 15, 2017, 05:02:49 PM »
does a round bottom groove take a thicker patch and ball than a flat bottom groove working with a rice 50 cal
round bottom groove trying to decide on patch/ball combo
thanks paul
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Offline bob in the woods

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Re: patch thickness
« Reply #1 on: March 15, 2017, 06:19:22 PM »
In general...yes.  The barrel makers list the depth of the grooves , so you can use that info to figure out what you need.
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Offline hanshi

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Re: patch thickness
« Reply #2 on: March 15, 2017, 07:53:21 PM »
Bob is correct; Rice round groove barrels are .016" while most square grooves are about .010".  This is what I've been advised, at least.
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Offline Darkhorse

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Re: patch thickness
« Reply #3 on: March 15, 2017, 11:23:56 PM »
I always let the rifle decide the thickness or patch and diameter of ball. Take an assortment of what you are considering and spend a few hours at a benchrest. That's the only way to know for sure.
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