.43cal solid hard rubber balls are made for use in LEO training...since they are used in actual weapons their dimensions should be fairly precise and consistent.
I normally use a .440 +.018", so a .430 +.020" or .022" should work fine also in a .45cal muzzleloader as a good lead alternative practice ball...a bullet trap could be used and the balls can be reused over and over...I have a bag on the way for testing
http://www.nles.com/store/customer/product.php?productid=1994?utm_source=froogle...
I normally use a .440 +.018", so a .430 +.020" or .022" should work fine also in a .45cal muzzleloader as a good lead alternative practice ball...a bullet trap could be used and the balls can be reused over and over...I have a bag on the way for testing
http://www.nles.com/store/customer/product.php?productid=1994?utm_source=froogle...
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