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-   -   Patch Thickness? (http://www.firearmstalk.com/forums/f22/patch-thickness-645/)

topgun 05-25-2007 07:41 PM

Patch Thickness?
 
I have a .50 cal Cabela's Hawken with 1 in 48 twist. I am looking for some feedback on patch thickness. From what I have been told, you have to experiment with what works best in your gun. Is there a patch thickness that more often than not will work best in most guns? Will prelubed versus split lubed make a big difference? Is there a general rule about how tight the patch and ball should fit?

deerhuntguy 07-08-2007 07:34 AM

Quote:

Originally Posted by topgun (Post 2042)
I have a .50 cal Cabela's Hawken with 1 in 48 twist. I am looking for some feedback on patch thickness. From what I have been told, you have to experiment with what works best in your gun. Is there a patch thickness that more often than not will work best in most guns? Will prelubed versus split lubed make a big difference? Is there a general rule about how tight the patch and ball should fit?

I am going to ask, you are planning on shooting round ball, and not conicals? I do not know what your experience is with BP, so it is best to ask. If you are going to be shooting conicals, you do not need or use a patch.

For pre-cut patches use a pre-lubed or unlubed .010 to .015 inch patch. If you use an unlubed patch, forget about "spit patches" you probably do not have that much saliva! Just use any of the commercially available lubes, they are all pretty good. If you cut your own use pillow ticking, which averages between .015 and .018 inches, and in any case a .450 round ball.

It is difficult to describe how tight the patched ball should be going down the barrel. Obviously, a clean barrel is going to feel different from one that has been fired, and what powder you are using can make a big difference too. Genuine Black Powder loads a lot different than Pyrodex after the first shot, due to the amount of fouling the powders leave behind. The fit of the patched ball should be snug; a couple pounds pressure to push the ball down. If you have to hammer the ball then it is time to clean the barrel.

The 1:48 twist is a bit fast for a round ball, so try some conicals too.

spottedpony 08-03-2007 06:28 PM

Quote:

Originally Posted by topgun (Post 2042)
I have a .50 cal Cabela's Hawken with 1 in 48 twist. I am looking for some feedback on patch thickness. From what I have been told, you have to experiment with what works best in your gun. Is there a patch thickness that more often than not will work best in most guns? Will prelubed versus split lubed make a big difference? Is there a general rule about how tight the patch and ball should fit?

The general rule is what ever shoots best for you. Cabela's hawkens are made by investarms, & in those bbl's that ive shot, ive found a tighter patch/ball combo shoots best. In the one .50 bbl i have, an .018 patch around a .495 ball works best.
With the 1:48 you'll probably find midrange loads of FFG give the best accuracy. work around the 60 to 70 Gr range and see what shoots best.
I've found caps have alot of effect on accuracy too.


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