McCord shell heatstamp date please

[keflin2612]

Hi Guys,
I could do with some help dating an early McCord shell, it has a short chinstrap which I believe indicates an early shell, it's front seam, fixed bales and has a heat stamp number of 275D
Any help would be greatly appreciated.
Cheers.

Kev.

[ruddersrangers44]

Around sept 42 kev............

[keflin2612]

Thanks for that, much obliged.

Kev.