Winchester Super-X Ammunition 22 Winchester Magnum Rimfire (WMR) 40 Grain Full Metal Jacket

Winchester Super-X Ammunition in 22 Winchester Magnum Rimfire (WMR) puts reliable, accurate firepower in your hands for small game and varmint hunting. This 40-grain full metal jacket round delivers the proven dependability you expect from the Super-X line—high-quality construction and sure functioning whether you're taking shots in the field or at the range. The full metal jacket design provides consistent performance across a range of rifle platforms chambered in this caliber.

The 22 WMR has earned its place among hunters and shooters who need more velocity and energy than standard 22 LR but in a rimfire package. Winchester's Super-X ammunition is built to perform, combining consistent powder charges and reliable primers to give you the accuracy and terminal performance you demand. Whether you're working predators, controlling varmints, or hunting small game at distance, this round delivers the ballistics to get the job done cleanly and ethically.

For shooters who already own a 22 WMR rifle, Super-X ammunition is a straightforward choice—no exotic specs, no guesswork, just Winchester's track record of field-proven reliability. The full metal jacket construction makes these rounds suitable for a broad range of hunting and shooting applications where penetration and consistent bullet performance matter.

Key Features

• 40-grain full metal jacket bullet design
• Winchester Super-X line quality and consistency
• High-velocity rimfire performance for small game and varmint applications
• Reliable primers and consistent powder charges
• Muzzle velocity of 1910 feet per second
• Muzzle energy of 324 foot-pounds

Specifications

Frequently Asked Questions

What's the difference between this 22 WMR and the jacketed hollow point Super-X version?

Winchester offers both full metal jacket and JHP (jacketed hollow point) options in their Super-X 22 WMR 40-grain line. The full metal jacket round described here is solid all the way through, favoring penetration and barrel longevity. The JHP alternative expands on impact for different terminal ballistics. Choose based on your specific hunting application and target composition.

Is 22 Winchester Magnum good for hunting small game and varmints?

Yes. The 22 WMR is purpose-built for small game and varmint control. With 1910 feet per second velocity and 324 foot-pounds of muzzle energy, it delivers more power than standard 22 LR while staying in the rimfire family. Many hunters prefer it for medium-range small game and predator work where a centerfire feels like overkill.

What rifles fire 22 Winchester Magnum Rimfire ammunition?

Any rifle chambered in 22 WMR will fire this ammunition. Winchester, Ruger, CZ, and other manufacturers produce rifles in this caliber. Always verify your rifle's chamber specification before purchasing ammunition.