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-   -   Playing With The GP Flintlock (https://www.huntingnet.com/forum/black-powder/236770-playing-gp-flintlock.html)

Semisane 03-10-2008 02:57 PM

Playing With The GP Flintlock
 
I had a nice range session Sunday with the GP flintlock. Shot up the last of my black powder, a half can of GOEX FFg.

The 1/2" flint I had in the gun (which was hitting low on the frizzen but sparking real well)broke in half on the fifth shot. Replaced it with a 3/4" flint and shot with that one for the rest of the day.

I used the FFg powder in the pan for all shots with no problem. If it was slower than the FFFg I used in the first two range sessions, I sure couldn't tell the difference. I'm prettyhappy about that because I see absolutly no need to worry about trying to find (or make)someFFFFg "priming powder".

I had the Lyman 57 peep on the rear, and the Lyman fiber optic "hunter" on the front for the first ten shots. Then I put the wide blue factory blade back of the front and found I could get a much better sight picture on the target with a 6 o'clock hold. Had lots of fun. Anyway, here's the best target of the day - bench rest of course.





cayugad 03-10-2008 03:10 PM

RE: Playing With The GP Flintlock
 
WOW!!! now that is some shooting... and a good strong load as well. Nothing would dare come close to that rifle if it wanted to live. How do you like these old powder burners now?

flounder33 03-10-2008 03:28 PM

RE: Playing With The GP Flintlock
 
Very impressive with any gun much less a flintlock. I think you are a tad more than semisane.
Art

Semisane 03-10-2008 03:29 PM

RE: Playing With The GP Flintlock
 

How do you like these old powder burners now?
Well, I have to say I'm hooked real bad. But DANG, no black powder in sight. Guess I'll have to do a bulk on-line order.

Yeah, It's a strong load. I was really bummed out that the battery on my chrono was dead. I really would like to know what that load is doing.

What's a good 100 yard load for a .54 ball anyway? Except for my very first two five shot groups with this gun - one with 85 grains, and one with 90 grains - all of my shooting has been with 95 grains. I know that's overkill for target work (but it's fun), but what about hunting?

sabotloader 03-10-2008 03:34 PM

RE: Playing With The GP Flintlock
 
Semisane

Package arrived today - do not know how you got all of that in the envelope - but greatly appreciated and will get holes punched in them..

thanks - mike

OK now the important stuff - tell me what projectileand how much powder you were shooting to create that awesome target... please!!??

Semisane 03-10-2008 03:55 PM

RE: Playing With The GP Flintlock
 
You're quite welcome, Mike. As for the load, it's all recorded on the bottom of the target. Shows up well on my screen, but maybe not everyone's.

Anyway, it's the 223 grain .530 Hornady ball, over 95 grains GOEX FFg with an .018 patch lubed with Eastern Main Shooters Supply "premium lube" and a Remington Wonder Wad. Distance was 50 yards from a bench. Followed up with Cutty Sark over ice during the post shooting clean up.

gleason.chapman 03-10-2008 04:15 PM

RE: Playing With The GP Flintlock
 

ORIGINAL: Semisane

I had a nice range session Sunday with the GP flintlock. Shot up the last of my black powder, a half can of GOEX FFg.

The 1/2" flint I had in the gun (which was hitting low on the frizzen but sparking real well)broke in half on the fifth shot. Replaced it with a 3/4" flint and shot with that one for the rest of the day.

I used the FFg powder in the pan for all shots with no problem. If it was slower than the FFFg I used in the first two range sessions, I sure couldn't tell the difference. I'm prettyhappy about that because I see absolutly no need to worry about trying to find (or make)someFFFFg "priming powder".

I had the Lyman 57 peep on the rear, and the Lyman fiber optic "hunter" on the front for the first ten shots. Then I put the wide blue factory blade back of the front and found I could get a much better sight picture on the target with a 6 o'clock hold. Had lots of fun. Anyway, here's the best target of the day - bench rest of course.

Wow that is beautiful shooting with a FL at 50 yards. Chap

frontier gander 03-10-2008 04:22 PM

RE: Playing With The GP Flintlock
 
Glad you are haivng good luck with yours. I took mine out today finally and found out that it does not like cold weather and gets so much wet build up in the touch hole that i have to take it inside, pull the lock and touchhole liner and dry everything out. I was finally able to get it off after 5 pans of priming powder[:@]

Just for Chits and grins i took that old 51" long barrel smoothbore musket out to see how it would react and i had one flash in the pan due to me using to little of powder. That smoothbore was 4" high @ 58 yards with 70 grains FFg Goex, .015 patch and a home cast "early today" .530 roundball. The two shots i took measured 2"

They just dont make'em like they used to :(

sabotloader 03-10-2008 04:29 PM

RE: Playing With The GP Flintlock
 
Semisane

Ah heck! I was so impressed with the target I never even looked at the bottom of the target... DUH!

cayugad 03-10-2008 04:58 PM

RE: Playing With The GP Flintlock
 
That's a good 100 yard load as well. I shoot 90 grains of Goex 2f in my Lyman Trade Rifle and while not that accurate will shoot real close. Also with that same 90 grain load, at 52 yards it will shoot a ball length way through a deer and break the back leg on the ride out. That would be a real good hunting load you have there. And I am like you, what's good for hunting is good for fun too...

Bulk powder load.. now your talking.!!! :D:D:D

frontier gander 03-10-2008 05:17 PM

RE: Playing With The GP Flintlock
 
90 grains is a good load. i was shooting that today and the patches looked like you could reuse them. The best thing, its hardly felt when you pull the trigger on the GP.

nchawkeye 03-10-2008 05:22 PM

RE: Playing With The GP Flintlock
 
I shoot 80gr FFF Goex in my .54 for hunting...I used to use as much as 120grs, backed down to 100, then finally 80...With a round ball and open sights all you are really trying to do is find a good flat shooting load out to 100-125 yards, that's as far as most need to be shooting at deer anyway...Another 200fps at the muzzle with a round ball won't equate to another 200 fps at 100 anyway...

HuntAway 03-10-2008 06:27 PM

RE: Playing With The GP Flintlock
 
My Lyman BP book lists a .535 ball (230 gr), .015 ox yoke patch, cci #11 cap @

90 gr 2f goex
mv 1480 fps, me 1119 ft lbs, 100yd vel 978 fps, 100 yd energy 488 ft lbs

100 gr 2f goex,
mv 1517 fps, me 1176 ft lbs, 100 yd vel 990 fps,100 yd energy 500 ft lbs

I suspect the flinter would be somewhere close to that???

edit: 32 inch barrel w/ 1:60 twist

nchawkeye 03-10-2008 07:50 PM

RE: Playing With The GP Flintlock
 
This is kinda changing the subject, but look at those figures of 90 vs 100gr...

37fps difference at the muzzle and only 12 fps difference at 100 yards...So the lower powder charge save you powder and a deer will never notice the 12 fps difference...Actually, that's why I settled on FFF and 80 grains, I get plenty of power and save powder with each shot over my old 100gr load...

Semisane 03-10-2008 07:56 PM

RE: Playing With The GP Flintlock
 
Good point, hawkeye. How do you have your sights set? Zero at 50, or 75, or 100? Have you ever done your own trajectory testto see how much more drop you get with 80 grains vs. 100 grains?

nchawkeye 03-10-2008 08:06 PM

RE: Playing With The GP Flintlock
 
I set my sights up about 20 years ago, after I built the gun...I set up 2 inches high at 50 yards, and I'm about an inch low at 100...Now initially I used 100grs Goex FF...Since then I changed to Goex FFF, I can't tell a difference...

HuntAway 03-11-2008 09:42 AM

RE: Playing With The GP Flintlock
 
I'll post the 80 /70 gr loads when I get off work.;)

HuntAway 03-11-2008 02:50 PM

RE: Playing With The GP Flintlock
 

ORIGINAL: HuntAway

My Lyman BP book lists a .535 ball (230 gr), .015 ox yoke patch, cci #11 cap @

90 gr 2f goex
mv 1480 fps, me 1119 ft lbs, 100yd vel 978 fps, 100 yd energy 488 ft lbs

100 gr 2f goex,
mv 1517 fps, me 1176 ft lbs, 100 yd vel 990 fps,100 yd energy 500 ft lbs

I suspect the flinter would be somewhere close to that???

edit: 32 inch barrel w/ 1:60 twist
Further to the above;

@ 100 yds Energy

40 grs377 ft lbs
50 grs413 ft lbs
60 grs 446 ft lbs
70 grs 461 ft lbs
80 grs 477 ft lbs
90 grs 488 ft lbs
100 gr 500 ft lbs
110 gr 550 ft lbs
120 gr 610 ft lbs

Data from the Lyman Black Powder Handbook & Loading Manual 2nd Edition


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