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22WMR

TL;DR: More speed and reach than .22 LR, for varmints at longer range, plus defense loads tuned for short barrels. A .22 WMR gun cannot safely fire .22 LR, and .22 WMR will not fit a .22 LR chamber, so buy the caliber marked on your barrel. We do not ship ammunition to states that require a background check for ammo purchases.

All Rimfire Ammo22 LR17 HMR

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Pick a .22 WMR load

Typical bullet weights and speeds by load.

LoadSpeedWhat it is for
30 to 33 grain polymer tip and varmintAbout 2,000 to 2,250 fpsVarmints. Fast, flat and fragmenting.
40 grain JHP, JSP and FMJAbout 1,875 to 1,910 fpsAll-around small game and pests.
45 to 50 grain JHPAbout 1,500 to 1,550 fpsHeavier bullets for deeper penetration.
Short-barrel defenseVaries by loadLoads built to expand from handgun-length barrels.
ShotshellAbout 1,000 fps#12 shot for snakes and pests at close range.

Shop .22 WMR from brands like CCI, Hornady, Speer, Federal and more.

22 WMR FAQ

Is 22 WMR the same as 22 Mag?

Yes. 22 WMR stands for .22 Winchester Magnum Rimfire, and 22 Mag and 22 Magnum are shorthand for the same round.

22 WMR or 17 HMR?

The 17 HMR shoots flatter with a lighter bullet. The 22 WMR carries a heavier bullet that hits harder up close. Both run in rifles chambered for them, never interchangeably. Shop 17 HMR.

Is 22 WRF the same as 22 WMR?

No. The .22 WRF is an older, shorter, lower-pressure round. Buy the caliber stamped on your gun.