Does anyone have the case dimensions for the 6.8 Rem.SPC
or know where I can find them?

Thanks,
WC

The case length is 43 mm. As it based on the old .30 Remington case, the rim and body diameters are both 10.6-10.7 mm.

Tony Williams: Military gun and ammunition website and Discussion forum

Thanks, do you know the length to shoulder,neck angle,and neck length?

wc

Sorry, no. I don't have an example, I've only seen photos.

Tony Williams: Military gun and ammunition website and Discussion forum