So, this may be a silly question, and i apologise if it sounds stupid, but I have a M. Nagant sniper, and already load .303. I have just managed to buy a set of lee dies 7.62x54R.
I also purchased, what I thought were a box of heads to fit. They arrived and are just marked 7.62. They seem a lot shorter than the factory loads that I've had in the past.

Is there any difference? Max length is 3.1 ins, (approx) mine come in at 2.7ins. (approx)
I have heard, although have not tried, that .303 heads are the same.

But i now have a box of 100 7.62's that i am unsure if i can use................ Help!!

Thanks
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