Old Grump, which .280 British are we talking about? The one I'm thinking of, the one for the EM-2, was a post-war development, and even if it had been proceeded with it might not have been ready in time for Korea, let alone WW2. As for the other, that was a pre-World-War-One effort, a 165 grain bullet moving at almost 2800fps; so much for light recoil from that one.
Are you perhaps thinking of the .276 Pedersen?
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