.17 Hornady Magnum Rimfire, commonly known as the .17 HMR, is a rimfire rifle cartridge developed by Hornady [3] in 2002. It was developed by necking down a .22 Winchester Magnum Rimfire case to take a .17 caliber (4.5mm) projectile.

17 Cal Rimfire Ammo Midsouth offers great deals on all kinds of 17 Caliber Ammo. Everything from custom, match grade, to bulk plinking ammo can be found at low Midsouth prices. Look for 17 cal rimfire ammo for sale from brands you trust like Hornady, Federal, Nosler, and more!

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Feb 27, 2025 · The tiny .17 caliber may be described as small but mighty, miniscule pills, or in several cases, as overlooked chamberings. Here’s a look at the mainstream .17 rounds, their history, and a...

.17 HMR ammo uses a notably light 17 grain (sometimes 20 grain) bullet and produces high muzzle velocities in excess of 2,500 feet per second. This results in flat trajectories and rapid fragmentation, which kills varmints with great efficiency and minimizes the risk of ricochets or overpenetration occurring.

Increase your firearm and bullet performance with top-of-the-line 17 HMR Ammunition that easily takes down varmints and other small game in the blink of an eye. With lightning-quick authority, this 17 HMR Ammo maximizes your targeting ability with a …