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Favorite IMR 4198 loads for 45-70 #901164 06/21/06
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WetDog Offline OP
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Howdy,
I've been trying different powders in my 45-70 (Marlin 1895) and was wondering if anyone had some good loads for IMR 4198?

BP-B2

Re: Favorite IMR 4198 loads for 45-70 #901165 06/21/06
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MOGC Offline
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I use H4198 behind a 405 gr. Remington, somewhere around 47.5 grains gives 1,861 fps from my 22" inch barrel. This load is fast enough, very accurate, and gives no pressure problems IN MY RIFLE! I think IMR-4198 is a little faster so you should find specific load info for it. Pretty good powder for the .45-70 IMHO.


Every normal man must be tempted, at times, to spit on his hands, hoist the black flag, and begin slitting throats.
Re: Favorite IMR 4198 loads for 45-70 #901166 06/27/06
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Klikitarik Offline
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49.6 grains of IMR work marvelously with 300s in the 45-70.

Re: Favorite IMR 4198 loads for 45-70 #901167 06/28/06
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jackfish Offline
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Marlin 1895 45-70 22" barrel
Winchester brass, 2.1" trim
Bullet Type; Bullet Weight; Bullet Diameter; C.O.L.; Powder Type; Powder Charge; Primer Type; Muzzle Velocity
Barnes X FN; 250 grains; .458"; 2.540"; IMR 4198; 48.1 grains; CCI 200; 2330 fps
Barnes Original FP; 300 grains; .458"; 2.540"; IMR 4198; 52.9 grains; CCI 200; 2309 fps
Nosler Partition; 300 grains; .458"; 2.540"; IMR 4198; 53.8 grains; CCI 200; 2324 fps
Remington JHP; 300 grains; .458"; 2.540"; IMR 4198; 53.3 grains; CCI 200; 2305 fps
Hornady RN; 350 grains; .458"; 2.540"; IMR 4198; 47.0 grains; CCI 200; 1995 fps
Hawk FP; 350 grains; .458"; 2.540"; IMR 4198; 47.5 grains; CCI 200; 1980 fps
Speer Hot-Cor FN; 350 grains; .458"; 2.540"; IMR 4198; 48.0 grains; CCI 200; 2119 fps
Barnes Original FP; 400 grains; .458"; 2.540"; IMR 4198; 43.7 grains; CCI 200; 1930 fps
Speer Flat Nose; 400 grains; .458"; 2.540"; IMR 4198; 46.2 grains; CCI 200; 1977 fps
Remington JSP; 405 grains; .458"; 2.540"; IMR 4198; 45.1 grains; CCI 200; 1936 fps
Woodleigh FN; 405 grains; .458"; 2.540"; IMR 4198; 45.0 grains; CCI 200; 1944 fps
All loads crimped with a Lee Factory Crimp Die.
Loads are maximum, reduce by 10% and work up carefully.
Source: http://www.realguns.com/loads/4570.htm


You learn something new everyday whether you want to or not.
Re: Favorite IMR 4198 loads for 45-70 #901168 07/02/06
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WetDog Offline OP
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Great stuff, thanks Jackfish

IC-A

Re: Favorite IMR 4198 loads for 45-70 [Re: WetDog] #4241473 07/13/10
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Swampman700 Offline
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How much IMR-4198 would you use to duplicate the Remington 405 grain load? I was thinking 33 grains might do the trick.


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Re: Favorite IMR 4198 loads for 45-70 [Re: Swampman700] #4242267 07/13/10
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the_shootist Offline
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Get a chronograph and end the doubt. Until you shoot across the screens, it's a guess at best. I'm using 50 gr of Benchmark with my 405 gr Remington FP bullets in the 1895 Marlin. Works fine - recoil is stout but manageable. Have gone to 55 gr of Benchmark -- do not recommend that to the faint of heart or small of stature.


"Keep thy heart with all diligence; for out of it are the issues of life." (Prov 4:23)

Brother Keith

Re: Favorite IMR 4198 loads for 45-70 [Re: the_shootist] #5374235 06/28/11
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Swampman700 Offline
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I picked up a bunch of 405 grain hard cast bullets this weekend. I'm gonna try 30 or 31 grains.


1st Special Operations Wing 1975-1983
919th Special Operations Wing 1983-1985 1993-1994

"Manus haec inimica tyrannis / Ense petit placidam sub libertate quietem" ~Algernon Sidney~
Re: Favorite IMR 4198 loads for 45-70 [Re: Swampman700] #5376227 06/29/11
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BillyGoatGruff Offline
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55 grains of IMR 4198 with a Hornady 300 gr hollow point gives me 2250FPS out of my 22" Marlin. Plenty accurate for me, around 1.5 inches @ 100 yards.

Re: Favorite IMR 4198 loads for 45-70 [Re: BillyGoatGruff] #5377371 06/29/11
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Hawk_Driver Offline
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48.5 with a Hornandy 300 HP works great in my Guide Gun.


There is no way to coexist no matter how many bumper stickers there are on Subaru bumpers!

IC-B

Re: Favorite IMR 4198 loads for 45-70 [Re: Hawk_Driver] #5377886 06/29/11
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Swampman700 Offline
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Yea, those are about twice as hot as I intend to shoot having broken the wrist of an 1895 stock with similar loads. If a Trapdoor load won't kill it, I don't want to piss it off.


1st Special Operations Wing 1975-1983
919th Special Operations Wing 1983-1985 1993-1994

"Manus haec inimica tyrannis / Ense petit placidam sub libertate quietem" ~Algernon Sidney~
Re: Favorite IMR 4198 loads for 45-70 [Re: Hawk_Driver] #5393196 07/05/11
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Tleedom Offline
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worked these up last weekend in "MY" 1895SBL

44gr H4198, Hornady 350gr RN = 1950fps
44gr H4198, Cast Performance 405gr WLNGC = 1950fps

Just a little fast for me, I am going to try 42grs this weekend.


Last edited by Tleedom; 07/05/11.
Re: Favorite IMR 4198 loads for 45-70 [Re: Tleedom] #6119617 02/01/12
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Swampman1 Offline
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I decided 30 grains of IMR-4198 under a 405 grain cast bullet shot the best in all my guns. Sub-MOA groups in all of them.


"If what I say offends you, you should hear what I don't say."
Re: Favorite IMR 4198 loads for 45-70 [Re: Swampman700] #6124976 02/02/12
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Hawk_Driver Offline
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Originally Posted by Swampman700
Yea, those are about twice as hot as I intend to shoot having broken the wrist of an 1895 stock with similar loads. If a Trapdoor load won't kill it, I don't want to piss it off.


That is the charge that the gun liked, so I ran with it. Gun didnt like below or above that. Velocity runs about 1990 from the Guide Gun barrel. Shot one doe with it this fall, looked like someone jerked the earth out from under her.


There is no way to coexist no matter how many bumper stickers there are on Subaru bumpers!


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