Remington Magnum Rimfire .22 WMR ammunition is loaded with a 40-grain jacketed hollow point bullet intended for use in magnum rimfire rifles and handguns. The cartridge is designed to provide consistent performance for small-game and varmint applications as well as general range use. This listing is for a standard retail box sold in a 50-round unit; cases are fulfilled by ordering the required number of boxes to reach the case quantity.
Box: Sold per box of 50 rounds. Case: A case is composed of 40 boxes (order 40 boxes to acquire a full case).
Key Specifications
- Manufacturer is Remington.
- Caliber is .22 Winchester Magnum.
- Bullet weight is 40 grains.
- Bullet type is Jacketed Hollow Point.
- Rounds per box are 50.
- Boxes per case are 40.
- Case material is Brass.
- Muzzle energy is listed as 324 ft lbs in the provided data.
- Manufacturer part number referenced in source data is 21170.
Remington’s magnum rimfire offering provides a straightforward, factory-loaded 40-grain JHP option in .22 WMR form. Built on a brass case and supplied in 50-round boxes for convenient retail purchase — with bulk quantities available via 40-box cases — this ammunition is suited to shooters seeking a consistent magnum rimfire option from a recognized manufacturer.
Product information is supplied by the manufacturer and/or distributor and may be automatically formatted or enhanced using AI for clarity and consistency. While we strive for accuracy, specifications, features, and included items may change without notice. Always verify details using the manufacturer’s official documentation and the information shown on this product page before purchase or use.
