And yet another cartridge quiz

[Woodsy]

.35 Remington, used in the Remington Model 8 & 81 semi-auto rifles, the FN semi-auto rifle, and other models?

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[RCS]

The neck is way too long to be a 35 Remington

[vintage hunter]

used in the Remington Model 8 & 81 semi-auto rifles,

Correct on the rifles. There may be others but these were the two I had in mind.
RCS, it's not a .32, but you're awfully close.