L4 Firing Pin Mark

[peregrinvs]

Hi,

Could someone confirm my suspicion that fired British 7.62x51mm NATO cases with an ovoid shaped firing pin mark on the primer were fired by an L4?

I ask as I picked up a belt of fired 7.62 blanks at a car boot sale a few months ago and it included about 5 blanks with an ovoid pin mark.

(I actually bought it as the belt included a few nice WWII dated .303in drill rounds that had been stuck in for some reason)

The blanks are all Radway Green L13A1 dated between 1977-80 so I assume they're the right era?

Thanks,

Mark

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