Ammunition: From Rimfire Rounds to Centerfire and Everything in Between
By Jeromy Knepp
There are several types of ammunition styles designed for various purposes.(Photo: Jacki Billings/Guns.com)
Looking at a shelf full of handgun ammunition can feel like a cryptic message — .45 ACP 200-grain SWC, 9mm PARA 115-grain HAP, .357 Mag 158-grain HP+P, FMJ, LRN, FMJ just to name a few. Knowing what to look for can change the quality of accuracy and firearm function.
Firearms companies, like the military, employ acronyms and abbreviations as descriptors to fit on boxes. With so many different calibers, bullet styles and load combinations, it can boggle the mind. What is necessary for home protection? At Guns.com, we can help with that enigma stigma of ammunition to help maximize handgun potential.
The .22 Long Rifle rimfire is one of the earliest forms of self-contained smokeless cartridges. One of the oldest cartridge options, it was developed by J. Stevens Arms and Tool Company in 1887. This simple little cartridge has been the jumping platform into the shooting sports for many.
Design-wise, the rimfire’s priming compound sits in a minuscule space in the interior rim of the cartridge. When the hammer or firing pin strikes the edge of the rim, it crushes the rim and ignites the compound. This results in the