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Lyman GPR feedback

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christian

32 Cal.
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Jun 4, 2010
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About 4 years ago I decided to take the plunge into black powder and after a lot of shopping around settled on the percussion GPR in .50. I had to do a few minor tweaks when the gun arrived (mostly getting the pins to seat right) but it was otherwise good to go out of the box. I did end up using the adjustable rear sight -- on my todo list is to put the basic one back on and modify the front sight as necessary.

At the time I received a lot of invaluable advice from members of this forum and from my father-in-law. Beyond general usage ideas such as measuring powder by volume rather than weight were very new and somewhat scary to me. Coming from a world of modern firearms I was entirely too focused on precision.

Over the next few years I was able to shoot and hunt with it some in between various health issues. This year I finally had a chance to see a deer in the woods with it and am currently enjoying the results.

For those who may be interested here is some of my feedback in no particular order and with the understanding that no two guns (even of the same make/model) are the same:

--Lately I've found that 98gr (by volume) of Pyrodex RS to be the sweet spot for anything 100 yards or less (haven't really shot it beyond 100).

--I settled on a 175gr ball with a lubed patch. This doesn't make loading time particularly fast, especially with the tightness of a newish barrel, but again for hunting purposes that isn't much of a concern.

--I use both CCI and Remington caps and have yet to have a problem with either or be able to tell a difference between.

--After 100+ rounds I am still using the stock nipple and have never had a failure to fire. I think an almost anal retentive approach to cleaning it and the chamber combined with always putting a cap through it before going out (stick a patch in the barrel, fire with just a cap to make sure the patch comes out) goes a long way with that. Additionally I'm sure I got somewhat lucky with my nipple, this seems to be one particular area where there is a lot of discrepancy between owners.

--I've found this gun to be extremely accurate and consistent out to 100 yards. When shooting correctly on a range I will regularly touch shots.

--When one of your pins pops out in the woods and you fail to notice I've found a good ziptie to be an inelegant but effective workaround.

--While I immediately bought a separate ramrod to use I've often ended up using my hickory one that came with it for loading and cleaning. It sure doesn't look like new anymore but it's held up surprisingly well.

--The set trigger is wonderful. Before this gun I had never really used set triggers and my accuracy dramatically increased once I started to.

--While I love a good peep sight I feel the buckhorns are probably the best open sights ever invented, especially for target acquisition and quick shots.

--I do the majority of my hunting in the NC woods. Along those lines there are a few negatives for this gun. It is *not* a light rifle and if you spend a day walking around with it you will probably begin to feel the weight. It is also not particularly easy to wield in the woods. I think the shorter Hawkens definitely have an advantage in this regard.

I've heard there's been some QA issues with the GPRs lately and that's a shame if it's true. When put together right they really are quite impressive.

Anyway, I wanted to share my experiences to date. Happy to answer any questions I can and a big thank you again to the members of this forum for all of the help you gave me when I was starting out.
 
Great honest evaluation, on a great rifle.
I'm sure many GPR rifles will be hanging around for the next hundred years+
Much longer than this $600 computer that I am laboriously typing on.
I really enjoy my GPR and recommend them to others who have a modest amount of money to spend on a great rifle.
Fred
 
A stalwart, or they were.

The good news is you can very well shoot an old GPR as well as a laptop!
 
Yeah I really like mine. I have used the cross pin tightening trick from their manual a couple of times.

Geo. T.
 
+1 on the GPR. :thumbsup: I got mine used and the person I got it from made some major changes; removed the cheek piece, thinned the neck, re-welded and raised the rear sight. But she shoots dead on and though not as good looking as she once was; since she is a 54cal, will be my main hunting rifle for some time. :wink:
 
I love my .54 caliber flintlock GPR. I only wish I had more opportunity to shoot it. Would love to shoot it daily. Unfortunately work and other responsibilities get in the way. :wink:
 
I have had my GPR for some time now and love it. It is all original, left it as is out of the box. Accuracy is great 2 inch groups at 50 yards,75 grains of 2f. I was going to try the Dutch's system but though with these groups, if it ain't broke don't fix it.I hunt whitetail in my back 40, I have not yet had a shot at a deer longer then 50 yards so I stick with that load. Good luck with new rifle.
 
I have 2 GPR's in .54. One in flint, and the other in percussion. Great shooters and many deer have fallen to them. I shoot 80g of 2f in each accurately enough for minute of whitetail.
 
My fast twist .40 is a percussion GPR and it's a fine rifle. With paper patched it's a good solid feeling firearm if a little front heavy, about the same as shooting a single shot 40-65 and needs a tang mounted ladder peep to do it justice.
I'm really wanting a medium twist .36 and may use a GPR as the platform to start with.
 
To keep from confusing folks, the Great Plains Rifle (GPR) is a slow twist gun made for shooting patched roundballs.

The similar gun with the fast twist barrel is the Great Plains Hunter (GPH).
 

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