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Old January 4, 2020, 07:27 PM   #7
Carmady
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Join Date: February 26, 2013
Location: on the lam
Posts: 1,735
Going by some reloading notes it looks like 800 fps from a 50gr FMJ might be easy to reach while remaining below the SAAMI limit of 25,000 CUP. An unknown source said most 50gr FMJ's are around 760 fps, but doesn't give any barrel length/s.

The Lyman 49th Edition Handbook lists data for six different loads, all between 740-754 fps and 16,700-18,100 CUP. This may be the wrong way to look at it, but it looks to me like they could be able to increase the velocity by 50-75 fps while getting nowhere near 25,000 CUP.
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