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Joined: Jul 2013
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OP
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Anyone got some hands-on load data for this combo? I know what the books say..........just looking for hard data from actual users. Loading with Nosler BT's and trying to save my stockpile of Varget for more important things!!! I would think this would be a decent powder in such a light bullet weight in the .308
Last edited by John_in_MS; 08/17/13.
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Joined: Dec 2001
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Campfire Tracker
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Sorry cant help with 4198 but can say 50 grains of Varget is awesome! My 12 year old will take his cow elk this year with a 125 nab variety. We use NBT for everything else.
Good Shooting!
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Joined: Jul 2013
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Sorry cant help with 4198 but can say 50 grains of Varget is awesome! My 12 year old will take his cow elk this year with a 125 nab variety. We use NBT for everything else. Yup, used that exact combo in the past and usually runs a tad under 3100fps in 22" bbl guns. I have gotten close to 3200fps with a heavy compressed charge of Varget. Don't know what it'll do in the new 21" abolt yet however. Probably just gonna do a ladder test from 38-40.5gr using h4198. Would like to make 3000fps with this combo, as it would be a very efficient load, doing what other powders can @ nearly 10gr less powder. If not, I'll just revert back to BLC-2 or Varget, and leave the h4198 to be used in reduced loads.
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Joined: Apr 2004
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Campfire 'Bwana
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Campfire 'Bwana
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John in MS...
what I can pass on, is that in their Managed Recoil loads, Remington was using IMR 4198.... which doesn't have much of a burn rate difference than Hodgdon's version...
Disassembling an 06 case of the Managed Recoil line, I can tell ya that the charge was 36 grains of IMR's 4198 with a 125 grain bullet...
so 30 to 33 grs and you'd be in the neighborhood of what they sell off the shelf...
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My old Dupont Reloading Guide lists 38.5 grs. w/ a 110 gr. bullet for 3015 fps., and 35.5 grs. for a 150 gr. bullet for 2595 fps. Both of these were maximum loads. I'd bet that 35.5 gr. load would be a real winner. I've found loads like that can shoot very well. You might have to add or subtract a grain or two of powder for a 125 gr. bullet or even use a magnum primer. E
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Joined: Jul 2013
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OP
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Well, I've got three rounds each of 38, 39, 40, & 40.5gr loaded up.............found a couple sources that list 40gr max for 125-130gr slugs, Hodgdon data goes to 39.5max and start loads are 36-37gr or so. I've successfully used 36.5gr in my .307Win Marlin @ 2670fps (which has lower case capacity and pressure limits), so I'm fine starting @ 38gr and working up. Will post the results soon!
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Finally got around to testing this combo and results are as follows:
Weather condition: 78� ambient 60% relative humidity @ 350ft elev Load info: 125gr Nosler Ballistic Tip__H4198 powder__Win commercial brass__CCI #200 primers__2.75" OAL
38gr--2724fps ES-13 SD-6.5 39gr--2776fps ES-10 SD-5.7 40gr--2832fps ES-14 SD-7.8 40.5--2873fps ES-4 SD-2
These were only shot for a velocity check @ 25yd, as I forgot my front rest at home. But I'm sure there's an accuracy node somewhere in that 40-40.5gr charge weight.
Last edited by John_in_MS; 07/17/14.
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