22 WMR vs 22 LR: The Ultimate Rimfire Ammo Guide

22 WMR vs 22 LR is one of the most common rimfire ammo comparisons for buyers choosing between .22 Long Rifle and .22 Winchester Magnum Rimfire. Both cartridges are popular, but they are not the same and should never be treated as interchangeable.

.22 LR is the more common, lower-cost rimfire cartridge used for range practice, plinking, target shooting, training and small-game hunting where legal. 22 WMR, also called 22 Magnum, is a larger rimfire cartridge that usually offers higher velocity, more energy and a flatter trajectory than .22 LR.

Before buying either cartridge, always confirm the exact caliber marking on your firearm.

22 WMR vs 22 LR: Quick Comparison

The 22 WMR vs 22 LR decision usually starts with cost, range and firearm compatibility. .22 LR is the better choice for most buyers who want affordable practice ammo and broad firearm availability. 22 WMR is better suited for buyers who want more performance from a rimfire cartridge.

For current rimfire options, browse 22 LR Ammo or 22 WMR Ammo at Star Gun Shop.

Category	22 LR	22 WMR
Full name	.22 Long Rifle	.22 Winchester Magnum Rimfire
Common nickname	22 LR	22 Magnum
Cost	Lower	Higher
Recoil	Very light	Still light, but more than 22 LR
Velocity	Lower	Higher
Energy	Lower	Higher
Best fit	Practice, plinking, target shooting	Longer rimfire range, small-game use where legal
Interchangeable?	No	No

What Is 22 LR?

.22 LR, or .22 Long Rifle, is one of the most widely used rimfire cartridges in the United States. It is popular because it is affordable, easy to shoot and available in many rifles and handguns.

Buyers often choose 22 LR ammo for range practice, training, plinking, target shooting and small-game hunting where legal. It is also common for new shooters because recoil and noise are generally lower than many centerfire cartridges.

Common 22 LR loads may include lead round nose, copper-plated, hollow point, subsonic and match-style ammunition depending on availability.

What Is 22 WMR?

22 WMR stands for .22 Winchester Magnum Rimfire. It is also commonly called 22 Magnum. Compared with .22 LR, 22 WMR is a larger rimfire cartridge that usually delivers higher velocity and more energy.

Buyers often compare 22 WMR ammo when they want a rimfire cartridge with more reach than .22 LR. It may be used for small-game hunting where legal, rimfire target shooting and buyers who prefer a flatter-shooting rimfire option.

22 WMR is not as inexpensive as 22 LR, and firearm availability may be more limited. Buyers should factor in ammunition cost before choosing a firearm chambered in 22 WMR.

Are 22 WMR and 22 LR Interchangeable?

No. 22 WMR and 22 LR are different cartridges. Do not use 22 LR ammunition in a firearm chambered only for 22 WMR unless the firearm manufacturer specifically states compatibility. Do not use 22 WMR in a firearm chambered for 22 LR.

The cartridges differ in case size, pressure and firearm chamber requirements. Always check the caliber marking on the barrel, receiver or firearm manual before ordering ammunition.

Recoil and Shootability

Both cartridges are light-recoiling compared with many centerfire rounds. However, 22 LR is generally softer and more affordable for high-volume practice.

22 WMR usually produces more noise, more recoil and more energy than 22 LR, but it is still manageable for many rimfire shooters. Rifle weight, barrel length, firearm design and load choice can all affect the shooting experience.

Range and Performance

In the 22 WMR vs 22 LR comparison, 22 WMR usually has the advantage in velocity, trajectory and energy. That can make it a better fit for buyers who want more performance from a rimfire cartridge.

22 LR remains the more practical option for most casual range use. It is cheaper, easier to find and available in many load types. If the goal is frequent practice, 22 LR is usually the better value.

Cost and Availability

Cost is one of the biggest differences. 22 LR ammo is usually much cheaper and easier to find in bulk. This makes it popular for regular range sessions and high-volume shooting.

22 WMR ammo is generally more expensive and may have fewer product options. Buyers who choose 22 WMR should expect a higher cost per round.

For technical ammunition standards, buyers can review SAAMI standards.

Hunting and Use-Case Considerations

Both cartridges may be used for small-game hunting where legal, but local laws matter. Game type, firearm type, bullet type and minimum caliber rules can vary by state.

22 LR is often chosen for close-range rimfire use and lower-cost practice. 22 WMR may be chosen when buyers want more velocity and energy from a rimfire cartridge.

Always review local hunting rules before choosing ammunition for field use.

Final Verdict: 22 WMR vs 22 LR

Choose 22 LR if you want the most affordable, widely available rimfire ammo for practice, training, plinking and target shooting.

Choose 22 WMR if you want a higher-velocity rimfire cartridge with more energy and longer-range potential than 22 LR.

The best answer to 22 WMR vs 22 LR depends on your firearm, budget, intended use and local laws. For most buyers, 22 LR is the better everyday rimfire choice. For buyers who want more rimfire performance, 22 WMR is worth considering.