All you have to do when fireforming .280AI from .280 brass is simply shoot standard .280 loads in it. That way not only is it formed, but it's also fireformed precisely to YOUR chamber at the same time. I wouldn't buy the Nosler .280AI brass because of the higher price-even if it is better.
ORIGINAL: ddraper110
I am getting a new custom sako 280 ackley improved soon. Trying to get brass and dies. I see people talking about fire forming 280 remington brass. Some are even saying use cream of wheat. Can someone explain fire forming technique??