Range chart of median price per round for six calibers on Gun Search Engine, with the middle half of in-stock listings shaded. 5.56 NATO $0.74, .38 Special $0.81, 9mm $0.95, .223 Remington $1.18, 10mm Auto $1.34 and .308 Winchester $2.05. GunSearchEngine.com data as of Oct 17, 2026.

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Ammo Cost Per Round: How to Compare Boxes Fairly

Gun Search Engine·

  • ammo
  • price per round
  • how to compare

Ammo comes in boxes of every size, from small defense packs to big range cases. That makes the box price a poor way to compare. Cost per round fixes that. Start on the ammo by caliber pages, and use the steps below to compare listings fairly.

How to figure cost per round

Take the price of the box and divide it by the number of rounds in the box. That's it. A big case almost always has a higher box price than a small box, but it often costs less per round.

Gun Search Engine caliber pages figure it the same way: pack price divided by round count. So you can line up a small box and a big case on the same scale.

“The box price tells you what you pay today. Cost per round tells you what you pay to shoot.”

Why calibers cost so differently

Bigger cartridges use more brass, powder and lead, so they usually cost more per round. Popular calibers are made in huge volumes, which keeps their cost down. The chart at the top shows the middle price per round for several common calibers, plus the range most listings fall in.

That range is wide in every caliber. The spread inside one caliber is often bigger than the gap between two calibers. So the load you pick matters as much as the caliber.

Compare like with like

  • Bullet type: full metal jacket range ammo costs less than hollow point defense loads or premium hunting bullets. Compare range ammo to range ammo.
  • Bullet weight: a heavier bullet in the same caliber can cost more. Match weights when you compare.
  • Case material: steel case usually costs less than brass. It also has trade-offs. See steel case vs brass case.
  • New or remanufactured: remanufactured ammo uses fired brass and often costs less. Check that the maker is reputable.
  • Rimfire vs centerfire: rimfire like .22 LR is in its own class. Compare it only with other rimfire.

“Compare like with like, or the cheapest box can cost you more.”

What else changes the real price

  • Shipping: some dealers include it and some add it at checkout. Add shipping before you compare.
  • Order minimums: a low price may only apply to a full case.
  • Local pickup: picking up from a nearby dealer can skip shipping entirely.
  • Sales tax and fees: these vary by state and dealer.

“Shipping can turn a good price into an average one.”

Putting it together

Pick your caliber. Pick the job, range or defense or hunting. Then compare cost per round between listings with the same bullet type and weight, and add shipping last.

Popular pages to start with: 9mm, 5.56 NATO, .223 Remington, .22 LR, .308 Winchester, .38 Special and 10mm. To see listings with lower prices across calibers, check the current markdowns.

Where to shop

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Browse live stock, or list inventory if you sell.

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