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Aug 17, 2023 · Rimfire and centerfire are the two primary ignition systems for cartridges. Specifically, it refers to where the primer is located. For the most part these days, rimfire has fallen out of favor and centerfire has become the dominant form of cartridge design, and indeed for good reason. Despite this, plenty of rimfire cartridges are still ...
Aug 19, 2024 · Rimfire and centerfire cartridges are both metallic cartridges; the difference is in how they are primed. A centerfire cartridge has a primer that’s inserted into a hole in the base of the brass ...
Dec 15, 2023 · Rimfire and centerfire ammunition primarily differ in their primer ignition systems. In rimfire cartridges, the primer is located within the rim of the casing, while in centerfire cartridges, the primer is situated in the center of the base of the casing.
Dec 9, 2023 · Also, rimfire ammo is not reloadable because the casing rim gets completely damaged during the firing process. Centerfire ammo, on the other hand, is reloadable because the primer is set above the base of the cartridge, and centerfire ammunition casings are not rendered useless after firing. Centerfire primers also come in two basic types: the ...
- Parts of A Cartridge
- Centerfire vs. Rimfire Appearance
- Different Ignition Systems
- Common Types of Rimfire Ammo
- Pros of Rimfire Ammo
- Cons of Rimfire Ammo
- Recommended Ammo
A standard cartridge, or round, consists of four parts — the bullet, propellant, primer, and a case. Keep in mind a “bullet” means just the projectile, not the entire cartridge. These components are all present regardless of whether a round is a rimfire or centerfire. In the grand scheme of things, all bullets work the same…the firing pin of the gu...
The easiest way to tell them apart is to see if you can see a circular primer in the center at the base of the casing. *Gasp* The primer in the center = centerfire! If you see a smaller cartridge with no overt primer, it is likely rimfire.
You can see that the names really make sense when you look at the ignition systems. Rimfire ammo gets its name from the firing pin striking the “rim” of the cartridge to ignite the primer. While centerfire ammo is where the firing pin strikes the primer that is located at the “center” of the cartridge base. You can see the firing pin marks on the s...
Rimfire ammo is limited to smaller caliberssince the cartridge walls need to be thin enough to be able to be crushed by the firing pin and ignite the primer. The downside? Well, the nature of the casing means it’s pretty much limited to small calibers. You have to have some relatively flimsy brass to handle the rimfire setup. As a result, the powde...
Cheap .22 LR can be found for 5 to 10 cents, while the AR-15 .223 round is between 25 to 40 cents each. It is so cheap since it is easier to manufacture a thin-walled case with a flattened primer at the bottom. The downside? Well, the nature of the casing means it’s pretty much limited to small calibers. You have to have some relatively flimsy bras...
Not Reloadable The primer is inside the bottom of the case and so cannot be reloaded like centerfire rounds. But rimfire ammo is so cheap comparatively that it doesn’t matter. Reliability Issues Even with top-shelf ammo like CCI, I still manage to get 1 to 2% failures to fire (FTF) in my 10/22 rifle. This is because, in manufacturing, the primer co...
Looking for some centerfire or rimfire ammo? Check out our Best .22 LR Ammo for Accuracy, Plinking & Hunting…or our exhaustive Ammo & Reloadingguides. What do you like best, centerfire or rimfire? Let us know in the comments! Want to read more on ammo? Check out our look at Brass vs. Steel.
- Eric Hung
Rimfire ammunition. A rim-fire (or rimfire) is a type of metallic cartridge used in firearms where the primer is located within a hollow circumferential rim protruding from the base of its casing. When fired, the gun's firing pin will strike and crush the rim against the edge of the barrel breech, sparking the primer compound within the rim ...
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Apr 18, 2023 · The main difference between centerfire and rimfire ammunition is pretty simple. Centerfire ammo has the primer in the center, while rimfire doesn’t. The rimfire primer is in the rim of the cartridge. Primers are what ignite the gunpowder and propel the bullet. When a gun is fired, its firing pin strikes the primer and ignites it with a tiny ...
