Home Rimfire Ammo .22 Magnum

.22 Magnum

Average Cost Per Round

$0.31/rd
↓ $0.00 (0.6%) in the last 30D
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Price Trend
-0.6%
Yearly Price Points
59,311
Dealers
8
Products
22

.22 Magnum Prices

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Showing 22 Products

.22 Magnum Overview

The .22 Winchester Magnum Rimfire (WMR), commonly known as the .22 Magnum, delivers rimfire performance well beyond the standard .22 LR. Introduced by Winchester in 1959, this cartridge has carved out a unique niche by offering significant velocity gains and improved terminal performance while maintaining modest recoil and reasonable ammunition costs.

Shooters often select the .22 Magnum when they need more power than a .22 LR but less recoil than centerfire options. Its higher velocity and improved penetration make it particularly effective for varmint hunting and pest control out to 100 yards. While primarily known as a rifle cartridge, the .22 Magnum has gained popularity in defensive handguns due to its minimal recoil, enhanced penetration, and reduced muzzle flash compared to centerfire options. The cartridge offers 40-50% more velocity than .22 LR, resulting in flatter trajectories and improved terminal performance.

Advantages and Disadvantages

Pros

  • Significantly more powerful than .22 LR
  • Minimal recoil for easy follow-up shots
  • Excellent accuracy potential
  • Less expensive than centerfire ammunition
  • Reduced noise compared to centerfire rounds

Cons

  • More expensive than .22 LR ammunition
  • Limited selection of defensive ammunition
  • Rimfire ignition system less reliable than centerfire
  • Not recommended as a primary self-defense round
  • Limited penetration compared to centerfire rounds

.22 Magnum Ballistics

The .22 Magnum achieves velocities between 1,500-1,875 fps from handgun barrels, with rifle-length barrels pushing velocities 20-25% higher. This translates to muzzle energy between 300-375 ft-lbs from rifles, with handgun energy values proportionally lower due to the shorter barrels. Actual performance varies based on barrel length and specific loading. Use our trajectory calculator to customize ballistic data for whatever load you are using.

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Muzzle Velocity
1880 fps
Projectile Weight
40 gr
Ballistic Coef.
0.111 G1
Muzzle Energy
ft-lbs

Similar Calibers Compared

Caliber Typical Bullet Weight Muzzle Velocity Muzzle Energy Energy at 50 yds
.22 Magnum 40gr 1875 fps 312 ft-lbs 245 ft-lbs
.22 LR 40gr 1200 fps 128 ft-lbs 98 ft-lbs
.32 ACP 71gr 905 fps 129 ft-lbs 110 ft-lbs
.380 ACP 95gr 1000 fps 211 ft-lbs 180 ft-lbs

What .22 Magnum Does Best

The .22 Magnum excels in specific applications where its combination of high velocity, flat trajectory, and moderate power are particularly advantageous. While it can serve multiple roles, its primary strengths lie in varmint hunting, pest control, and recreational shooting, with defensive use being a secondary consideration for those with specific needs.

Varmint Hunting and Pest Control

The .22 Magnum is exceptionally effective for varmint hunting and pest control. Its high velocity and excellent accuracy make it lethal on small game out to 100 yards. The cartridge offers enough power for clean harvests on coyotes, foxes, and similar-sized predators while minimizing pelt damage compared to centerfire options.

Recreational Shooting

For target shooting and plinking, the .22 Magnum offers an excellent balance of power and precision. While more expensive than .22 LR, it remains more economical than centerfire ammunition. The minimal recoil and moderate report make it enjoyable to shoot for extended sessions.

Defensive Use

While not ideal as a primary self-defense round, the .22 Magnum can serve as a specialized option for those who cannot handle larger calibers due to physical limitations or sensitivity to recoil. Modern defensive ammunition has improved its terminal performance, though it should still be considered a compromise option.

Types of Projectiles

Full Metal Jacket (FMJ)

  • Target practice, plinking, and small game hunting where pelt preservation isn't critical

Jacketed Hollow Point (JHP)

  • Hunting and defensive use, offering controlled expansion and improved terminal performance

V-Max/Ballistic Tip

  • Varmint hunting, offering rapid expansion and minimal exit wounds

Total Metal Jacket (TMJ)

  • Indoor range use and practice, with reduced lead exposure

Common .22 Magnum Bullet Weights

30 grain

  • Maximum velocity and flattest trajectory, good for longer range varmint hunting

40 grain

  • Best balance of velocity and energy, most common loading for general use

45-50 grain

  • Maximum penetration and energy transfer, often used in defensive loads