In search of a rimfire cartridge with the punch of a centerfire Remington has your needs met with our comprehensive range of magnum rimfire ammunition. Ready in 17 HMR and 22 Win mag, our magnum rimfire ammunition is meticulously loaded to deliver remarkable shot-to-shot uniformity, a flat trajectory, and dynamic expansion. Elevating your rimfire rifle or handgun is as simple as selecting the right ammunition. Choose magnum rimfire and experience the difference.