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Joined: Feb 2002
Posts: 32,044
Campfire 'Bwana
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OP
Campfire 'Bwana
Joined: Feb 2002
Posts: 32,044 |
I'm trying to keep my vel around 1000 fps or a little less in my 4 inch Smith 686 . I guess i will have to run a couple over the chronograph and see just what I'm getting with 6 gr of Unique
A Doe walks out of the woods today and says, that is the last time I'm going to do that for Two Bucks.
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Joined: Aug 2007
Posts: 115,424 Likes: 13
Campfire Sage
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Campfire Sage
Joined: Aug 2007
Posts: 115,424 Likes: 13 |
You'll be in there like swimwear.
Travis
Trump being classless,tasteless and clueless as usual. Sorry, trump is a no tax payin pile of shiit. My young wife decided to play the field and had moved several dudes into my house
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Joined: Nov 2010
Posts: 37,136 Likes: 1
Campfire 'Bwana
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Campfire 'Bwana
Joined: Nov 2010
Posts: 37,136 Likes: 1 |
10 gr 2400 gets me 1090 fps with my 6 inch Model 19, 8.2 gr of AA #5 runs 1134 through my 61/2 inch Blackhawk. Picked up a pound of IMR 4756, will give it a try, in my 38 special loads 4756 appears to burn much cleaner than any powder that I have tried so far. I remember years ago as a youngster, loading 2400 in my K-38, using a hot load with 150 gr. cast bullets. There was so much burnt powder residue that some got under the star ejector, enough that the gun wouldn't close. I had to brush burnt powder granules from under the ejector so that it would fully seat and allow the cylinder to slide back into battery. Do you ever see that with 2400 in your M-19? DF
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Joined: Oct 2005
Posts: 16,000
Campfire Ranger
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Campfire Ranger
Joined: Oct 2005
Posts: 16,000 |
I have a couple of cans of Norma 1020 that I'm now using. It's no longer available but was a great powder. 13 gr. will push a 158 gr. bullet to around 1,200 fps.
But, when it's gone, it's gone. I have plenty of Unique, H-110 and 2400 as back up. I have a can of Lilgun but have not tried it.
DF regarding that Lilgun, if you look at the hodgden online website it seems like it creates higher velocities at lower pressure than just about anything else. google search it, and you can see references to flamecutting etc cause it burns hot. I have loaded some of it, but hesitant to use it as a steady diet.
THE BIRTH PLACE OF GERONIMO
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Joined: Oct 2007
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Campfire Regular
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Campfire Regular
Joined: Oct 2007
Posts: 1,267 |
I don't remember if any granuels were found under the ejector but it does leave some burnt and unburnt powder in the cylinders.
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Joined: Nov 2005
Posts: 4,376
Campfire Tracker
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Campfire Tracker
Joined: Nov 2005
Posts: 4,376 |
16.0 H-110, 15.o for jacketed bullets.
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Joined: Nov 2010
Posts: 37,136 Likes: 1
Campfire 'Bwana
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Campfire 'Bwana
Joined: Nov 2010
Posts: 37,136 Likes: 1 |
I have a couple of cans of Norma 1020 that I'm now using. It's no longer available but was a great powder. 13 gr. will push a 158 gr. bullet to around 1,200 fps.
But, when it's gone, it's gone. I have plenty of Unique, H-110 and 2400 as back up. I have a can of Lilgun but have not tried it.
DF regarding that Lilgun, if you look at the hodgden online website it seems like it creates higher velocities at lower pressure than just about anything else. google search it, and you can see references to flamecutting etc cause it burns hot. I have loaded some of it, but hesitant to use it as a steady diet. Thanks for the info. The .357 I'm currently working with is a FA 97 with a really thick top strap. It would take a LOT of shooting to mess it up, compared to a S&W, etc. But, that would be something to be aware of and to watch for. DF
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Joined: Feb 2002
Posts: 32,044
Campfire 'Bwana
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OP
Campfire 'Bwana
Joined: Feb 2002
Posts: 32,044 |
2400 requires a heavy crimp to burn well .
A Doe walks out of the woods today and says, that is the last time I'm going to do that for Two Bucks.
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Joined: Nov 2010
Posts: 37,136 Likes: 1
Campfire 'Bwana
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Campfire 'Bwana
Joined: Nov 2010
Posts: 37,136 Likes: 1 |
My Dillon 550B is set up for a max crimp on W/W 158 gr. JHP's.
I think I'll try some 2400 next.
DF
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Joined: Nov 2007
Posts: 8,457 Likes: 2
Campfire Outfitter
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Campfire Outfitter
Joined: Nov 2007
Posts: 8,457 Likes: 2 |
For a older 4" GP100, I loaded 17.5 grains of 296 under a 160 grain SWC.
Later, for a Blackhawk, I loaded 17.5 grains of 296 under a 158 grain XTP. Lighter loads were horribly inaccurate. I miked the cylinder throats and bore. It all adds up to a gun well out of spec which only shot accurately when I was kicking the bullets in the ass hard enough they'd slug up enough to seal. I sold the gun after a couple years. Those same loads did very well in a Marlin 1894 and still do well in a 10" Contender.
I tried faster powders line 2400 in the GP100 but got into SCARY pressures before I got accuracy. I don't like having the blast slap my pants legs, gives me a baaad feeling.
Tom
Last edited by T_O_M; 10/14/13.
Anyone who thinks there's two sides to everything hasn't met a M�bius strip.
Here be dragons ...
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Joined: Sep 2001
Posts: 19,076
Campfire Ranger
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Campfire Ranger
Joined: Sep 2001
Posts: 19,076 |
I think i will start with 6.0 gr of Unique That was my bulk load when I was shooting 357s. I didn't have a chrony then, but QL predicts you should be around 1070 fps, 22K psi.
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Joined: Jan 2001
Posts: 28,387 Likes: 1
Campfire Ranger
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Campfire Ranger
Joined: Jan 2001
Posts: 28,387 Likes: 1 |
10 gr 2400 gets me 1090 fps with my 6 inch Model 19, 8.2 gr of AA #5 runs 1134 through my 61/2 inch Blackhawk. Picked up a pound of IMR 4756, will give it a try, in my 38 special loads 4756 appears to burn much cleaner than any powder that I have tried so far. I remember years ago as a youngster, loading 2400 in my K-38, using a hot load with 150 gr. cast bullets. There was so much burnt powder residue that some got under the star ejector, enough that the gun wouldn't close. I had to brush burnt powder granules from under the ejector so that it would fully seat and allow the cylinder to slide back into battery. Do you ever see that with 2400 in your M-19? DF Don't know what your load was but 10.0 grains of 2400 in the .38 Special has been a very, very accurate load for me in three different Model 15's. Had an older one from the 50's that just wouldn't shoot with anything. Best groups were only mediocre, just not what I thought a good S&W was capable of. Then I tried 10/2400 under a 158 cast SWC and voila - one raggedy hole. It produced the same kind of accuracy in my next two Model 15's as well. You don't see 2400 listed under .38 Special loads very much and I probably wouldn't try this with a jacketed bullet or even a cast bullet in older J-frames, but all indications are that it was perfectly safe in the K-frame Smiths. IIRC it gave a little over 1000 fps out of the 4" barrel. Like any load with 2400, a strong bullet pull is crucial.
Gunnery, gunnery, gunnery. Hit the target, all else is twaddle!
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Joined: Nov 2010
Posts: 37,136 Likes: 1
Campfire 'Bwana
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Campfire 'Bwana
Joined: Nov 2010
Posts: 37,136 Likes: 1 |
It's been so long ago I don't remember the load. It shot good, just too much residue, IMHO, for a DA like my K-38.
DF
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Joined: Feb 2002
Posts: 32,044
Campfire 'Bwana
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OP
Campfire 'Bwana
Joined: Feb 2002
Posts: 32,044 |
I don't see how you could get a better trail load than the 6 gr of Unique with the Missouri 158 gr SWC cast . It is extremely accurate out of my Smith 4 inch 686. I loaded them in new Winchester Brass.
A Doe walks out of the woods today and says, that is the last time I'm going to do that for Two Bucks.
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Joined: Nov 2010
Posts: 37,136 Likes: 1
Campfire 'Bwana
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Campfire 'Bwana
Joined: Nov 2010
Posts: 37,136 Likes: 1 |
Three Stooges...
Classic.
Moe Harry, Larry Barry, Curly John...
DF
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Joined: Mar 2006
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Campfire Outfitter
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Campfire Outfitter
Joined: Mar 2006
Posts: 9,819 |
Love The 4" 686, That's What My One And Only revolver Is.
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