Originally Posted by Higbean
I had Lee do a set back and rechamber to .223AI on a Win 70 with a 1-9" twist last year. It will shoot the 75 Amax into tiny groups one day and 4" groups the next. I'm at sea level or so and it gets really humid here. The 75 hpbt shoots great though and doesn't give up much.


I also find the 75 grain BTHP to be more accurate in my fast twist 22.250s and 223s...

I have a couple of bolt action 223s with the one in 9 twist...
they shoot any 75 or 80 grain bullet I have fed them, from Hornady, Sierra and Nosler....just fine...

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