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January 23, 2014, 08:35 AM | #1 |
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Location: Wichita, KS
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Great Plains rifle questions
I am really thinking I need to add a gpr in .54 to my growing collection. I am leaning towards the slow twist barrel for roundball.
Does the gpr slow twist come drilled and tapped for the lyman tang sight? Is the front dovetail the same size as the lyman globe? I would also appreciate any comments on group sizes that people are seeing with this setup at the 100 yd mark and beyond. I know eventually I would like to add the hunter barrel in the mix as well to duplicate some awesome results I've been seeing done with paper patched bullets, but I would like to stay rb for now. |
January 23, 2014, 10:47 AM | #2 |
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There are differences.
I know there are differences on the generations of GP's. Don't know what you are eye-balling but if it's a new one, then I'd suggest contacting Lyman with this question. For instance, I have an older one that has the Hunter twist, Plumb-brown barrel and full-buckhorn. It is not drilled and tapped for a tang sight and if I ever want to want one, I will drill and tap it myself. Not hard to do. ....
Good luck and; Be Safe !!!
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January 23, 2014, 10:59 AM | #3 |
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Drilling and tapping sounds tough for a guy like me. Sometimes I have to think real hard about which end of the screwdriver to hold!
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January 23, 2014, 11:10 AM | #4 | ||
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Accepting one's limitations
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Quote:
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January 23, 2014, 11:28 AM | #5 |
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The lyman-57GPR is specifically-designed to fit both the angle and existing
screw holes in the Great Plains tang. Comes with the correct replacement screws as well. Five-minute job max. http://www.buffaloarms.com/Lyman_Rec....aspx?CAT=4070 I've got it on my own GP`54 (a marksmanship boon to aging eyes) As to accuracy at 100 yards, I've only "patterned" it at 50 to establish load performance, (See http://i39.tinypic.com/29yksxw.jpg ) but use it routinely at 9" wide bears -- 100 yds offhand -- at our silhouette matches. Last edited by mehavey; January 23, 2014 at 12:32 PM. |
January 23, 2014, 01:17 PM | #6 |
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I see someone posted a 54 GPR on Armslist yesterday $300. If I didn't have a 50 and 54 I would be checking it out. I have had good luck both selling and buying on Armslist.
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January 23, 2014, 03:03 PM | #7 | |
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I sent the seller a message but it has been deactivated! Someone beat me to it! Thank you for looking for me, I was almost there... |
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January 23, 2014, 03:54 PM | #8 | |
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That is such an awesome 50yd group. I'm very impressed with your attention to details and the end result |
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January 26, 2014, 07:41 PM | #9 |
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Can anyone tell me if the .50 hunter barrel would drop into the .54 rifle? I would love to have the .54 slow twist for roundball but would like to add the fast twist barrel at some point.
If not, are there good bullet/sabot options for the .54? I don't know if there is anything similar to Ron's awesome 500 paper patching combo and I would love to have a hunter barrel for that in .50 if possible, but I don't want to buy 2 Great Plains rifles to make that happen! |
January 26, 2014, 07:50 PM | #10 |
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They should interchange. About the only options for a conical in the .54 is a minie ball.
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January 26, 2014, 08:22 PM | #11 | |
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Probably not !!
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Be Safe !!!
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January 26, 2014, 08:44 PM | #12 | |
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Quote:
I may try to call lyman and see. If I had a .50 fast twist and .54 slow twist I will be content for at least a month! |
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January 26, 2014, 09:11 PM | #13 |
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chicken
Both the .50 and .54 barrels are 15/16th across the flats.
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January 27, 2014, 10:10 AM | #14 | |
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I'll say !!!
Quote:
Be Safe !!!
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January 27, 2014, 11:52 AM | #15 |
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I've met over time a couple guys trying different barrel swaps on their traditional's. {That includes me too.} Like me most of those I met eventually went back to shooting primarily P/B. I guess its a faze we go through in trying to find something better, get bored, then go back to where we were is the usual outcome. No harm in your trying though. Just another one of those so called B/P learning experience's most go through.
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January 27, 2014, 01:21 PM | #16 |
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Besides, a traditional sidelock shooting patched ball using iron sights into a single hole
at 50 yards -- right next to all those newfangled In-Lines with their scopes and razzle-dazzle plastic saboted "bullets" having trouble hitting a barn door -- -- does have a certain...uh... caché. |
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