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I promise last post asking for advise and opinion on this subject. I have 2 chooses in barrels for my Underhammer build from the kit by Pecatonica Rifle. I'll be using the Underhammer for both target and deer hunting here in Indiana. Target shooting from a bench and hunting from log or cross sticks so really not worried about weight. Prefer using patched round ball with Triple7 in FF or FFF powder with
70-90gr. Here are my barrel options:
1) 15/16X36" .54 cal Green Mountain full octagon barrel with a 1-70" twist
2) 1X36" .54 cal Colerain full octagon barrel with a 1-56 twist
My other option would be to totally change calibers and go to a .50 but I have to see if Pecatonica has a 1X36" Green Mountain barrel in .50cal. YEs I do prefer the Green Mountain barrel s mainly because of the slower twist. Looking at ballistics between a .50 and .54 at say 50yds using 90gr FFF GOEX there isn't much difference and both would probably take down the size of deers we have here in Indiana. The ballistics are:
So there you have it, sorry this post is so long. let me hear your advise and opinions please.
70-90gr. Here are my barrel options:
1) 15/16X36" .54 cal Green Mountain full octagon barrel with a 1-70" twist
2) 1X36" .54 cal Colerain full octagon barrel with a 1-56 twist
My other option would be to totally change calibers and go to a .50 but I have to see if Pecatonica has a 1X36" Green Mountain barrel in .50cal. YEs I do prefer the Green Mountain barrel s mainly because of the slower twist. Looking at ballistics between a .50 and .54 at say 50yds using 90gr FFF GOEX there isn't much difference and both would probably take down the size of deers we have here in Indiana. The ballistics are:
So there you have it, sorry this post is so long. let me hear your advise and opinions please.