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Thread: IMR 4895, 4350, and H4831 for Barnes bullets in a 300wm

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    Default IMR 4895, 4350, and H4831 for Barnes bullets in a 300wm

    Getting desperate with the lack of powder. Have a great load with IMR 4831 for my Tikka T3 Lite 300wm with Barnes 180gr TTSX. Ran out of that powder and can't find any. A buddy has IMR 4895 and 4350, H4831, and I'm wondering if anyone has loaded Barnes 180 TTSX with these powders. Any pointers?

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    Member duckslayer56's Avatar
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    IMR4350 is a great powder for 300wm, I loaded it up with the most accurate in the Nosler manual and it worked great out of my rifle so I didn't mess with tinkering with it. I was shooting Nosler Partitions though, so I'm not sure about TTSX. RL 22 works really well too, and is what I usually load with, for 180gn I load 75.5gns and have had really good results. One downside to RL22 is, I've heard it can be temperature sensitive, but haven't tested it for myself yet. I've heard good things about H1000, but can't find any. Hopefully powder comes back soon. With summer coming around, maybe more barges will come in.
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    Member AKsoldier's Avatar
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    I never loaded the Barnes bullets when I had my .300 Winnie (I hadn't discovered them yet) but I did get excellent results using H 4831 with 180 gr. Nosler partitions. Lee 2nd edition manual gives the minimum load of H 4831 for a 180 gr. jacketed bullet as 69.0 grs., and the max load is 73.0 grs.

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    Member marshall's Avatar
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    I've used RL-17 and 180's in a 300WM with good results. Data shows it between 4350 and 4831 so you are in the right area. I think the 4895 is a little fast for your needs.

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    Member duckslayer56's Avatar
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    I Tested out my rifle with some loads I made with H4831 today and they did better than my RL22 load. I think I found a new powder for my .300WM. I need to find out what the speed is now. These were loaded with 200gn accubonds. I'll give ttsx a try eventually when I can find some.
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    I have had great velocities and good grouping with 4000-mr 2900fps with 200grain bullets and no signs of high pressure. 7 rounds in 1" last time I fired my WM recipe
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    Member shphtr's Avatar
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    Beauty is as beauty does ... that being said, for many the "go to" powder for 300 WM with 180 gr is RL 22 somewhere between usually 74 and 78 grains...but kind of hard to try if unavailable!! I think 4895 is a bit fast, 4350 should be fine and 4831, either H or IMR would be even better. Given your choices I would start with the H4831 for your 180 gr TTSX. Good luck.
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