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Post by bambishooter on Jan 30, 2021 8:27:11 GMT -5
What is a good substitute for IMR 4198? I have an encore barrel and Jeff advised 65 grains of it for my load. I have some 4198, but not a lot, and I have quite a bit of RL7, and H4831SC, and was curious as to whether either of of these powders worked well.
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Post by mike.dawson on Jan 30, 2021 9:17:06 GMT -5
Think about N120
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Post by dennis on Jan 30, 2021 9:20:24 GMT -5
Reloader 7 will work, it is a bit dirty but very temp. stable.
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Post by Richard on Jan 30, 2021 10:33:17 GMT -5
Definitely Re 7 but scrub the 4831---way too slow! I have gotten excellent results with IMR 4227. I would however drop about 5 grains from the 65 that Hank gave you for 4198.
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Post by Ice on Jan 30, 2021 18:49:30 GMT -5
Definitely Re 7 but scrub the 4831---way too slow! I have gotten excellent results with IMR 4227. I would however drop about 5 grains from the 65 that Hank gave you for 4198. Richard, Just for clarification....drop 5 grains for RL 7 or 4227? |
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Post by Richard on Jan 30, 2021 21:04:17 GMT -5
No, for 4227. It is somewhat faster so less is required. I would see what velocity you get with 65 grains of 4198 and, if you want that speed adjust your 4227 charge accordingly.
I can not tell you 60 grains of 4227 will give you the same speed as 65 grains of 4198....I suspect it will be slightly slower...you can then adjust "up!"
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