Deer Calibers: .257 vs. .243

Today’s gunfight pits a couple of smallish deer calibers against each other in a pair of bolt-action deer rifles. The .243 was developed in 1955 as a dual purpose varmint-deer cartridge. I’m not one to give inanimate objects names but there are exceptions: this is my rifle Sweet Sixteen. It’s the Remington 700 rifle chambered in .257 Weatherby my father gave me as a 16th birthday present. I didn’t get a car or pickup like most kids; I received a rifle instead. Here in Iowa I don’t get to use it as much as I would like, but when Iowa had the special late antlerless centerfire season a couple of years back this rifle hit like Thor’s hammer with hand-loaded 120-grain Nolser Partions, on top of 70 grains of Rl-25 powder. With hand-loaded 115 grain Nosler ballistic tips, it makes the local coyotes shiver and quiver like none other. It shoots 1-inch groups at 100 yards, with about any 100-grain bullet. The deer ran 60 yards, and that was that. I’m not sure I am ready to give up my .270 and .308, but the .243 sure is fun to shoot.

Today’s gunfight pits a couple of smallish deer calibers against each other in a pair of bolt-action deer rifles. The .243 was developed in 1955 as a dual purpose varmint-deer cartridge. It has killed tons and tons—literally—of deer, but you can still start a lively gun-camp argument about whether it is too light for deer hunting. The .257 lets you shoot heavier bullets faster, although at a higher price if you buy factory cartridges instead of hand loading. It was reportedly Roy Weatherby’s favorite, and a round he developed as a wildcat in the 40s.

Remington 700 .257 Weatherby
A hard-working, bolt gun, the Remington 700 pairs well with just about any caliber.

I’m not one to give inanimate objects names but there are exceptions: this is my rifle Sweet Sixteen. It’s the Remington 700 rifle chambered in .257 Weatherby my father gave me as a 16th birthday present….

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