.30-06 Wildcat "RA 56"

What is it? It measures about 7.65x62.3mm. It has a lot of gun powder moving inside. I put a .30-06 to the right for comparison.


Looks like an “improved” '06. Someone’s wildcat round. The primer bears marks from a hand seating tool. There is a ‘ghost’ line on the case even with the shoulder on the '06 round. I suspect that was the original shoulder before fire forming.

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Correct, there is a circular groove

Possibly a .30-06 Ackley Improved.
image
Photo credit: Google Images

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The '06 AI has a longer neck.

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vlad’s reminds me of the .35 Brown Standard, only .30 cal. Profile from Midway, out of stock…Qual-Cart hs from the internet, but I did not see the case profile. (Neat!) The drawing is from the internet also, but the neck looks too short??
Midway, Out of stock
35 Brown-Whelen Head QC hs
download is this correct...
I just have a fired case, that looks like the Midway one. Dan

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Here is my “unknown” to the right; with “NORMA .280 REM” on the left with “280 Ackley” someone wrote on it.