I recently purchased a TC encore pistol to help out a friend in need. The pistol is a "6mm BR remington." I have a decent amount of cartridge knowledge but the benchrest cartridges have never interested me. So I am a little lost on this one. From what I have researched, there is a difference between the Norma and Remington 6mm BR.

Anybody with any knowledge on these be able to help me? can i shoot 6mmBR norma out of my barrel? I plan to reload obviously for this but I do have some access to 6mm BR norma ammo.