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Caliber comparisons

Side-by-side caliber comparisons with live pricing data. Each comparison shows current price ranges, market availability, and key ballistic differences.

All CalibersGuides & Articles

Handgun

9mm vs .45 ACP9mm vs .380 ACP9mm vs .40 S&W9mm vs 10mm Auto9mm vs .38 Special9mm vs .357 Magnum9mm vs .357 SIG.45 ACP vs 10mm Auto.45 ACP vs .40 S&W.380 ACP vs .38 Special.38 Special vs .357 Magnum.40 S&W vs 10mm Auto9mm vs .32 ACP.45 ACP vs .44 Magnum.357 Magnum vs .44 Magnum

Rifle

5.56 NATO vs .223 Remington.300 Blackout vs 5.56 NATO.308 Winchester vs 6.5 Creedmoor7.62x39 vs 5.56 NATO7.62x39 vs .300 Blackout.308 Winchester vs .30-06 Springfield.300 Blackout vs .308 Winchester6.5 Creedmoor vs .270 Winchester.270 Winchester vs .30-06 Springfield.243 Winchester vs 6.5 Creedmoor.308 Winchester vs 7.62x39.350 Legend vs .300 Blackout.30-30 Winchester vs .308 Winchester

Rimfire

.22 LR vs .17 HMR

Shotgun

12 gauge vs 20 gauge20 gauge vs .410 bore

How caliber comparisons work

Each comparison page shows live price-per-round data for both calibers alongside key differences in ballistics, recoil, and typical use cases. Pricing is sourced from tracked retailers and updated daily. Where available, links to in-depth guides provide additional context. All data is observational — IronScout does not make purchase recommendations.