“10mm”

In 2003, Finnish firearms manufacturer Sako released its own variant of the 9.3mm rimless cartridge: the 9.3x66mm Sako, or as it is known in the U.S., the .370 Sako Magnum. It delivers performance on par with the beloved .375 H&H in a package which can hold one additional round in the magazine in a lighter rifle.

Semi-automatic and striker-fired, the P320-XTEN is extremely accurate, easy to shoot even with powerful 10mm loads and holds 15-plus-one rounds.

Hornady’s dive into a .17-caliber rimfire was met with fanfare, as it truly was—and still is—a decided improvement over the long-range ballistics of any of the .22 rimfire cartridges.

Available in handgun calibers popularly carried in the backcountry, Winchester's Big Bore ammo was designed to offer consistent expansion, massive energy deposit and most importantly, trusted functioning.

The goal was to build a magnum-class cartridge in a small package, and Weatherby has done just that with its 6.5 Weatherby RPM, featuring a rebated rim, large body diameter, low body taper and 35-degree shoulder.

Despite the magnum moniker, the .327 Federal Magnum is a pleasure to shoot, giving it a lot of flexibility. It is a viable defensive cartridge, and in a hunting rifle, is a great choice for when shot distances are on the shorter end of the spectrum.

If you want a cartridge that will handle deer and bear at woods distances in any state while providing the capability of being a rock-solid defensive cartridge, the .450 Bushmaster should have a place near the top of the list.

Fitting the niche between the 6.5 PRC and .300 PRC, Hornady’s brand-new 7mm PRC cartridge delivers long, high-BC bullets in a long-action receiver, and temperature-stable, magnum speed propellants for consistent velocity and extended barrel life.

The .275 Rigby remains a fantastic choice for the big-game hunter, and has done it all over the course of its 130-year history.