02-09-2017, 11:56 PM
D.Davis Wrote:I shoot a 20 Grendel AI in a CZ 527. I like it in a bolt gun, but for feeding reasons in a semi I think the shoulder angle should be left alone. Dave.
I have the turbo 40 improved. It feeds flawlessly
See pic below beside its parent case the 6.5 grendel. There is 1 gr of h20 capacity gain between the grendel and the Ackley Improved. Does that equate to 100 to 150 fps velocity increase with the 123's?
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