JohnShuster
32 Cal.
- Joined
- May 9, 2013
- Messages
- 8
- Reaction score
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My new 50 cal Lyman percussion GPR gives me 4" groups at 100 yds with .490 Hornady ball, .015 Bridgers Best pre-lubed patches and 100 gr of Pyrodex RS.
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Lyman GPR PRB powder charge
- Thread starter MtnWolf
- Start date
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I have a GPR.50 from the 80's,80grans of FFFG a .490 ball,and shoots very well..
