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Rifle Cartridge Chart: Quickly Compare Rifle Cartridge Sizes

By Wes Littlefield

Last Updated: Aug 25, 2026

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I’m a visual learner. Seeing the size differences between rifle cartridges has helped me keep them somewhat straight in my mind (at least the ones I commonly use). The following chart shows the sizes of familiar (and not-so-familiar) rifle calibers and cartridges.

Rifle cartridge size comparison chart showing 10 popular calibers from 7.62x39mm to 8x68mm S

Rifle Caliber/Cartridge Chart

The team at Ammo.com has created this chart to help you visualize rifle cartridge sizes relative to rounds you’re already familiar with. For an in-depth look at common cartridge ballistics, don’t miss all of our ballistics tables. If you’re more concerned with how much each cartridge kicks, we also have you covered with our recoil charts.

Handgun and shotgun rounds are covered separately in our ammo size chart, and if you are matching a cartridge to an animal rather than to a rifle, our hunting caliber chart sorts the options by game.

Tap or click any column heading to sort the chart. Always check your local regulations.

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Wes Littlefield
Written by
Wes Littlefield

Bullets