Author: Shamu
Subject: .303 primers Large rifle or Magnum
Posted: February 03 2019 at 8:12am
The "Brisance" (the heat & duration of the flame produced). Rumored to be lightly thicker cups too. Size wise they're identical to LR primers. If you have a load & switch from standard to magnum drop the charge weight by 10% & work back up.
Subject: .303 primers Large rifle or Magnum
Posted: February 03 2019 at 8:12am
The "Brisance" (the heat & duration of the flame produced). Rumored to be lightly thicker cups too. Size wise they're identical to LR primers. If you have a load & switch from standard to magnum drop the charge weight by 10% & work back up.