Rimfire Ammo Overview
Rimfire ammunition originated in the mid-19th century as an innovative cartridge design where the primer is contained around the cartridge rim. Its design philosophy centers on cost-effective, low-recoil shooting. Rimfire ammo remains popular for training, plinking, and small-game hunting due to widespread availability and affordability.
Why Rimfire Ammo Is a Top Choice
- Low recoil ideal for beginners and youth shooters
- Economical for high-volume target practice
- Widely available in common calibers like .22 LR
- Versatile for small-game hunting and pest control
- Compatible with many rifles and pistols
Key Rimfire Ammo Variants
.22 LR
The most common rimfire cartridge, suited for target shooting, training, and small game hunting.
.17 HMR
A higher-velocity option offering flatter trajectory and better range for varmint hunting.
.22 WMR
Also known as .22 Magnum, delivers greater power for hunting and defense in a rimfire cartridge.
Competitor Comparison Table
| Feature | .22 LR | .17 HMR | .22 WMR |
|---|---|---|---|
| Typical Velocity (fps) | 1080 | 2550 | 1915 |
| Energy (ft-lb) | 120 | 290 | 300 |
| Typical Uses | Target, Training, Small Game | Varmint Hunting, Target | Hunting, Defense |
| Recoil | Very Low | Low | Moderate |
| Typical Cartridge Length (inches) | 1.00 | 1.35 | 1.35 |
Best Use Cases for Rimfire Ammo
- Plinking and recreational shooting
- Youth and beginner firearm training
- Small-game and varmint hunting
- Cost-effective range practice
- Backyard pest control
FAQs About Rimfire Ammo
Can I use rimfire ammo in centerfire guns?
No. Rimfire and centerfire cartridges use different firing mechanisms and are not interchangeable due to design differences.
What is the most common rimfire caliber?
The .22 Long Rifle (.22 LR) is the most widely used rimfire caliber worldwide for its versatility and availability.
How does rimfire ammo perform compared to centerfire?
Rimfire ammo typically has lower velocity and energy, suited for training and small game, unlike more powerful centerfire rounds.







