Remington 22WMR 40gr JHP Ammunition - 50 Round Box

The Remington 21170 Magnum Rimfire ammunition delivers exceptional stopping power and expansion in the versatile 22 Winchester Magnum Rimfire cartridge. This 40-grain jacketed hollow point configuration provides reliable terminal performance for small game hunting and varmint control applications.

What Makes This Different

Remington's jacketed hollow point design ensures controlled expansion while maintaining structural integrity through various shooting conditions. The 40-grain bullet weight strikes an optimal balance between velocity retention and knockdown power, outperforming standard 22LR rounds by delivering nearly double the muzzle energy. Premium brass cases and consistent powder charges produce shot-to-shot reliability that competitive shooters and hunters depend on.

Key Features

• 40-grain jacketed hollow point bullet for maximum expansion
• 22 Winchester Magnum Rimfire chambering for increased velocity
• Brass cartridge cases for reliable extraction and reloading potential
• 50-round boxes provide convenient range and field quantities
• Rimfire priming system eliminates centerfire complexity
• Consistent powder charges ensure repeatable accuracy
• Factory-loaded specifications meet SAAMI standards

Field performance demonstrates effective expansion on small game while maintaining sufficient penetration for clean, ethical harvests. The 22WMR cartridge generates approximately 1,910 fps muzzle velocity from standard rifle barrels, extending effective range beyond traditional rimfire limitations. Weather-resistant primer sealing prevents moisture contamination during extended storage periods.

Technical Specs

• Caliber: 22 Winchester Magnum Rimfire (22WMR)
• Bullet Weight: 40 grains
• Bullet Type: Jacketed Hollow Point (JHP)
• Muzzle Velocity: Approximately 1,910 fps
• Muzzle Energy: Approximately 324 ft-lbs
• Case Material: Brass
• Primer Type: Rimfire
• Quantity: 50 rounds per box
• Manufacturer: Remington Arms Company
• Model Number: 21170

Remington's century-plus manufacturing experience ensures consistent quality control and reliable ignition across temperature extremes. This ammunition represents proven performance for shooters requiring dependable rimfire magnum capabilities without centerfire complexity or cost.