7mm British recoiless?


#1

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https://brandusedworks.hibid.com/lot/38643380/7mm-british-recoiless-rifle-cartridge/?cpage=12&ipp=100&ref=catalog


#2

.270 Broadway Trust?

I think there were two or three on that auction.


#3

Thanks for the link


#4

It’s not a hi-low but a recoiless. Primer vents right into the case