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Field Guide / Ammo & Calibers

.410 Bore

Also called: .410, 410 gauge, four-ten

The smallest common shotgun, with almost no recoil, popular for squirrels, rabbits, and as a first gun, but it demands close shots and skill.

Diagram of a .410 Bore shotshell drawn to scale: a red plastic hull with a brass head and a crimped mouth, 2½ inches long
Simplified outline drawn to scale from nominal dimensions. Every entry uses the same scale, so you can compare sizes. Real cartridges vary slightly by maker, and bullet shapes differ.
Type
Shotgun
Bore
.410 in (nominal)
Shell length
2½ in (also 3 in)
Typical loads
Shot loads of about 1/2 to 11/16 ounce, or a single slug
Typical muzzle velocity
About 1,135 to 1,300 fps
Recoil
Light recoil
Quarry
Small game, Birds & turkey
Typical range
Small game to about 25 yards
Availability
Common, but costs more per shot than 12 or 20 gauge

Safety: The .410 is a bore measurement, not a gauge, and its shells are the smallest of the common shotgun shells. They can slip into a larger-gauge chamber, so never carry them with other gauges.

What it is good for

  • Squirrels and rabbits at close range.
  • A first shotgun for young shooters sensitive to recoil.
  • Light, compact guns for small game and pest control.

Where it falls short

  • The shot charge is small, so patterns are thin and the effective range is short.
  • It is not recommended for beginners on flying birds despite the mild recoil, since it is harder to hit with.
  • It is not suited to waterfowl or turkey in most situations.

Easily confused with

  • 28 Gauge: a slightly larger shotshell with more shot and a bit more reach.

Field notes

The .410 is named for its bore diameter in inches rather than a gauge number. The shell comes in 2½-inch and 3-inch lengths, and a gun must be marked for the longer one to fire it.

Related guides

Numbers are typical factory-load figures, not guarantees. Use only ammunition that matches the cartridge stamped on your firearm and is made by a reputable manufacturer, and follow the manual. Legal game cartridges, minimum calibers, and non-toxic shot rules differ by state and area. Check your state's current regulations; our state resources directory links to each state's official rules. Not sure which rifle to buy? Try our hunting rifle wizard.

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