Home Forums Hunting & Shooting Ask The Gunwriters Ask John Barsness Questions About "GETTING THE MOST OUT OF YOUR .30-06"

John,

You said you used magnum primers (Federal 215) with the 165gr loads that were pressure tested (165 gr partitions and 58.5 gr IMR4350). How much velocity boost does the magnum primers give you over non-magnum primers for the same load?

Aldeer