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IMR 4198 and 32-40 (Read 1323 times)

Mdfarmer Participating Member Offline Posts: 15 Joined: Apr 16^th, 2022	IMR 4198 and 32-40 Sep 2^nd, 2022 at 8:33am	Print Post
	A friend of mine gave me a can of IMR 4198. Anybody have any loading suggestions for the 32-40 with a 170 grain cast bullet? This would be for an original 1885 High Wall, and also a Marlin 1893. Thanks!


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Skalkaho Oldtimer Offline Posts: 785 Location: Montana Joined: Sep 29^th, 2006	Re: IMR 4198 and 32-40 Reply #1 - Sep 2^nd, 2022 at 9:02am	Print Post
	Slower than 4227.Saw a load said to start at 16 grains and work up for accuracy...no mention as to bullet weight.....

	May the Bullet Gods be with you.......
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George Babits Frequent Elocutionist Offline Posts: 1102 Joined: Sep 27^th, 2012	Re: IMR 4198 and 32-40 Reply #2 - Sep 2^nd, 2022 at 9:37am	Print Post
	Have a look at the Lyman Cast Bullet manual, 4th edition. Has data for several bullet weights with 4198 in the 32-40. George


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marlinguy Frequent Elocutionist Offline Ballards may be weaker, but they sure are neater! Posts: 16092 Location: Oregon Joined: Feb 2^nd, 2009	Re: IMR 4198 and 32-40 Reply #3 - Sep 2^nd, 2022 at 9:41am	Print Post
	I love 4198, but never had good results with it in my .32-40 rifles. It's a little too slow burning for the .32-40 in my opinion. It works great in larger capacity cartridges I load it in.

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bpjack Frequent Elocutionist Online Posts: 2759 Location: East Olympia, WA Joined: May 18^th, 2008	Re: IMR 4198 and 32-40 Reply #4 - Sep 2^nd, 2022 at 12:52pm	Print Post
	When I bought a pound from a friend to try in my 30 Wesson behind a 145gr bullet cast 16/1, I was told it was too slow for that small case. However, 15.5 gr shoots better than the other powders I tried. Go figure. Jack

	ASSRA # 11318 just a bit of a hoot.
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calledflyer Frequent Elocutionist Offline Posts: 3565 Joined: Mar 9^th, 2015	Re: IMR 4198 andM32-40 Reply #5 - Sep 2^nd, 2022 at 1:12pm	Print Post
	I found that it shot well for fixed loads in .32-40, but it was awfully dirty. Unburnt grains and some smoky soot in the barrel. It would eventually go away if the load was increased, but by then the accuracy went away with the soot. My starting info came from one of the Lyman books more or less. Can't find the book with my range notes right now.


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marlinguy Frequent Elocutionist Offline Ballards may be weaker, but they sure are neater! Posts: 16092 Location: Oregon Joined: Feb 2^nd, 2009	Re: IMR 4198 andM32-40 Reply #6 - Sep 2^nd, 2022 at 2:34pm	Print Post
	calledflyer wrote on Sep 2^nd, 2022 at 1:12pm: I found that it shot well for fixed loads in .32-40, but it was awfully dirty. Unburnt grains and some smoky soot in the barrel. It would eventually go away if the load was increased, but by then the accuracy went away with the soot. My starting info came from one of the Lyman books more or less. Can't find the book with my range notes right now. All those unburnt granules resulted in fairly wide deviation of velocities when I shot them across my Oehler. The powder worked decent at 100 yds., but as I shot farther out it began to open up group sizes for me. I don't see that deviation issue when I load it in larger cases, and it shoots extremely well in my various .40 calibers at very long distances.

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jgraham1 Participating Member Offline Posts: 31 Location: Dayton, Wyoming Joined: Aug 8^th, 2010	Re: IMR 4198 and 32-40 Reply #7 - Sep 16^th, 2022 at 12:11pm	Print Post
	I have found IMR 4198 to work great in larger caliber rifles, but never used it in at 32-40. I would be interested in your results if you do use it. Jerry


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gnoahhh Oldtimer Offline Posts: 807 Location: Gaithersburg, MD Joined: Mar 31^st, 2010	Re: IMR 4198 and 32-40 Reply #8 - Sep 16^th, 2022 at 12:37pm	Print Post
	I haven't had sterling results with 4198 in my .32-40's for breech seating, but I haven't completely given up on it. 4227 and AA9 remain my go-to's. I've been meaning to try 4759, but my stash of that is pretty much earmarked for use in medium-size .30's such as .30-30, .30-40, and '06 with cast bullets.


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Skalkaho Oldtimer Offline Posts: 785 Location: Montana Joined: Sep 29^th, 2006	Re: IMR 4198 and 32-40 Reply #9 - Sep 21^st, 2022 at 9:12am	Print Post
	Here ya go......

	May the Bullet Gods be with you.......
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Cbashooter Frequent Elocutionist Offline Posts: 1570 Location: Eastern Wa. Joined: Mar 31^st, 2018	Re: IMR 4198 and 32-40 Reply #10 - Sep 21^st, 2022 at 2:41pm	Print Post
	gnoahhh wrote on Sep 16^th, 2022 at 12:37pm: I haven't had sterling results with 4198 in my .32-40's for breech seating, but I haven't completely given up on it. 4227 and AA9 remain my go-to's. I've been meaning to try 4759, but my stash of that is pretty much earmarked for use in medium-size .30's such as .30-30, .30-40, and '06 with cast bullets. I gave 4198 A try in a pair of 32-40's and a 33-47 last month. I did not get top accuracy with any of the rifles. A friend of mine uses 4759 exclusively in his CPA 32-40 and shoots some absolutely stellar groups.


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Mdfarmer Participating Member Offline Posts: 15 Joined: Apr 16^th, 2022	Re: IMR 4198 and 32-40 Reply #11 - Sep 22^nd, 2022 at 7:35am	Print Post
	Thanks for the help! I think that this may be a path to avoid...


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