Remington’s Magnum Rimfire .22 WMR 40gr jacketed hollow point (part no. 21170) gives shooters quick expansion at genuine magnum rimfire velocity. Remington builds this standard line of magnum rimfire ammunition for shot-to-shot consistency and a flat trajectory, generating 1,910 feet per second muzzle velocity from the 40-grain bullet. The jacketed hollow point is the expansion-focused choice in the lineup, built for shooters who want rapid energy transfer on small game and varmints. This rimfire ammunition is a dependable choice for .22 WMR rifles and revolvers.

Key Specifications

• The chambering is .22 WMR, a step up in power from .22 LR for small game and varmints.
• The bullet weighs 40 grains, the standard weight for Remington’s Magnum Rimfire line.
• The bullet type is jacketed hollow point, built for quick expansion on small game and varmints.
• Muzzle velocity is rated at 1,910 fps, genuine magnum rimfire performance.
• The case material is brass, standard for rimfire ammunition.
• Each box holds 50 rounds, a practical count for a range or hunting trip.
• Forty boxes ship per case (2,000 rounds total), letting shooters buy by the case for the best per-round value.
• Cost runs about $0.33 per round, typical pricing for a name-brand .22 WMR load.
• Remington markets this under its Magnum Rimfire line, built for shot-to-shot consistency and flat trajectory.

Frequently Asked Questions

Why choose a jacketed hollow point over a pointed soft point in .22 WMR? Remington offers the JHP for quick expansion, while the Pointed Soft Point is built for optimum penetration; both share the same 40-grain weight and 1,910 fps velocity.

Is .22 WMR the same as .22 LR? No, .22 WMR (WinMag) is a distinct, more powerful rimfire cartridge, not interchangeable with .22 Long Rifle.

Buy Remington Magnum Rimfire .22 WMR 40gr JHP

A .22 WMR platform earns its keep with a load built for genuine magnum velocity and consistency, and Magnum Rimfire delivers exactly that. Order from our Lubbock, Texas gun shop and it ships fast to your door.