Winchester .303 British boxes

I have these two sealed boxes made by Winchester.
made WWII
Every info about these boxes is welcome.
I have never seen these boxes ! are these rare?
thanks
gyrojet


They were made to fire between propeller blades, that’s the meaning of “synchronized”.

They are not particularly rare, certainly in the UK.

In the next issue of the Journal I have an article on these and other calibres purchased by Britian prior to Lend Lease.

Regards
TonyE

Thanks …

TonyE do you know what headstamp’s are in the boxes?

regards
gyrojet

The headstamps are probably W.R.A. 1941 .303

This headstamp can be very easily found in the UK.