Load Data for 6.5x284 IMP 4350 Question

[Medic433]

I currently use H4350 at 49. grn with a 140 grn Berger VLD Target bullet with a Federal 215M primer in Lapua Brass. I was getting low on powder and my friend said he found some H4350 at a local store, so I had him buy it. Comes to be IMP 4350 instead. Anyone played with this powder and found any accurate loads? Even a starting point would help to work up from there so I can check signs of pressure. Any load data on .223, .300 Blackout, 6.5x284 with various powders is welcome as you never know what powder will be available. I plan on working up a ladder test on each one to find out what works well in my weapons. Thanks.

 

[Onewolf42]

I have read quite a few people say that their rifles like IMR4350 better than H4350. I would just do a powder load test and see what happens. After not seeing H4350 for almost a year I gave up and switched to RL17.

 

[MLC]

Quickload shows them as slightly different in pressure at 49 grains.
Back off about .5-.75 grains and you should be in the the ballpark of the node you're shooting in.

 

[Medic433]

Thanks MLC


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[gws]

49.5 grains of IMR4350, BR2's and either Berger 140's or 142 SMK's shoots into .1's in my rifle.

GS