.280 Ackley Improved

The author’s custom-made .280 Ackley Improved was built on the CZ-550 action, fitted with a Montana Rifleman barrel and decked out with a nice, heavy piece of English walnut. The barrel band swivel was intended to give it a European “safari-style” flair.

.280 Ackley: The Ever-Capable Deer Cartridge

P.O. Ackley gave the world — both wildcatters and average shooters alike — a 7mm to love: the .280 Ackley Improved. And all these years later it’s still one of the most versatile big game hunting cartridges ever conceived.