Re: 270 Winchester Ackley Improved Load Data
Wanted to add my 2 cents in here. With the loads you've quoted, you won't get enough difference by "improving" your case to make it worthwhile. I've built and shot a lot of wildcats over the years and some are great, others will actually perform no better and in some cases worse than the parent cartridge. You mentioned the 280 improved as a case in point, but with it, you only bump up your velocity 50 to 75fps with 150gr, bullets...in my opinion not worth the extra powder or cost to rechamber. Can you get higher velocity improving your 270? Yes...but, you will be way over safe pressure limits if you do so, so tread cautiously. I've seen too many rifles blown up to recommend a green light for you on this. Good luck
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