My understanding is that CIL had a technology sharing agreement with Remington. i would use the CIL 8-1/2 primers in any recipe where Remington 8-1/2's are indicated. Standard large rifle.
CIL 8½ are Large rifle standard primers. 8½M are the magnum variant. I still have a couple thousand of the two.
Cleanest primer you will ever use. Dave.



























