Handgun cartridge reference

10mm Auto Ammunition

Also known as 10x25mm.

A powerful semi-auto cartridge with rifle-like energy for its class — popular for woods carry and handgun hunting.

At a glance

Category
Handgun
Bullet diameter
10.2 mm (.400 in)
Typical use
Hunting, bear defense, self-defense
Recoil (for its class)
Heavy
Availability
Moderate
Typical cost per round
$0.55–$0.90
~Cost per 1,000 rounds
$725
Introduced
1983

Common firearms in 10mm Auto

Glock 20SIG P320-XTENColt Delta Elite
Reference information only. Prices, availability, and specifications vary by manufacturer, load, region, and time. Figures here are typical values for orientation, not offers or ballistic advice. Always confirm the exact cartridge and pressure rating your firearm is stamped for before buying or shooting. Last reviewed 2026-07-05.

Frequently asked

How much does 10mm Auto cost per round?+

10mm Auto typically runs about $0.55–$0.90 per round online, roughly $725 for a 1,000-round case at the middle of that range (as of 2026). Bulk cases lower the per-round cost, while premium defensive or match loads run higher. Prices move with supply, so track your own cost per round over time.

What is 10mm Auto used for?+

10mm Auto is most commonly used for hunting, bear defense, self-defense. A powerful semi-auto cartridge with rifle-like energy for its class — popular for woods carry and handgun hunting.

What firearms are chambered in 10mm Auto?+

Popular options include Glock 20, SIG P320-XTEN, Colt Delta Elite. It falls in the handgun category.

How much does 10mm Auto recoil, and is it available?+

10mm Auto has heavy recoil for its class, and availability is currently "moderate." You may need to order it online or from a specialty retailer.

Track your 10mm Auto the smart way

Rangium logs your 10mm Auto by the round: stock on hand, cost per round and spend over time, with low-stock warnings when you run short. Ask Vanta how much you have left, and list or find 10mm Auto firearms in the marketplace.