This is as good a time as any to detail the first ballistic advantage of the .280 AI. With my handload, I pushed that 150-grain AB at 2,980 fps, and I was nowhere near maximum pressure. In order to ...

average pressure: 60,000 PSI Parent case: .280 Remington Ballistics My first Ackley was a left-hand Montana Rifle Company Model 1999 that I used mainly for open-country mule deer hunting.