IMR 4166 for 308 and 223

[2backstraps]

Anybody using IMR 4166 for 308 or 223? I picked up a lb a while back and looking to try it out.

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[chasray1953]

I’ll chime in here but I shoot a 6.5 Creedmoor. I have had good results with Imr4166 on lighter weight bullets. For 130-140 gen bullets I like Imr4451. No 308 in the house

[lavazhole]

I have had great luck with it in 223 with the orange tip nosler 50 and 55 grains!

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[2backstraps]

I have had great luck with it in 223 with the orange tip nosler 50 and 55 grains!

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How close to max charge?

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[lavazhole]

26.0 for the 55 was my one hole group.Screenshot_2018-09-18-14-59-44.jpeg

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[2backstraps]

26.0 for the 55 was my one hole group.Screenshot_2018-09-18-14-59-44.jpeg

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Can't ask for much better than that.

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[SGTREED]

I liked the result of 4166 in 308 just wasn’t a fan of the way it meters


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