Shotgun · SAAMI

.410 Bore

.410 gauge36 gauge

The smallest production shotshell.

Caliber
0.41″ · 10.414 mm
Introduced
1874
Case
Rimmed
Primary use
Small Game, Pest Control, Youth
Status
Active
Velocity1,100–1,300 fps
Energy140–350 ft·lb
Typical grains175 · 218 · 219 gr
Identity
Introduced
1874
Type
Shotgun
Origin
United Kingdom
Inventor
Various
Manufacturer
Various
Standard
SAAMI
Status
Active
Availability
Common
Build
Twist (typical)
N/A (smoothbore)
Primer
209 Shotshell
Case type
Rimmed
Pressure & range
Max pressure
13,500 psi
Eff. range
25 yd
Max range
100 yd
Recoil
8–12 ft·lb
Subsonic
Capable

Ballistics

Representative trajectory · 25 yd zero0–200 yd
25 yd · zero0″−36″36″ drop @ 200 yd0100200Open in Ballistic Compare ↗
By real loads
750–1,830 fps · 238 loads
Parent case

Representative trajectory — modeled from a single velocity input (no published BC for this cartridge yet).

Performance

Best for HuntingRemington Express Slug1190 gr · Rifled Slug · 1,830 fpsBuy now →
Best for DefenseRemington Slugger218 gr · Slug · 1,830 fpsBuy now →
Best for TargetFederal American Eagle88 gr · 1/5 oz Slug · 1,830 fpsBuy now →

Buy links open .410 Bore ammunition at Rivertown Munitions.

Dimensionscase measurements · scale drawing · size vs familiar rounds

Case dimensions — the scale drawing at the top of the page is built from these.

CIP TDCC · approximate
Measuremmin
Bullet ⌀10.410.410
Neck ⌀11.560.455~
Shoulder ⌀n/a
Shoulder anglen/a
Base ⌀11.940.470
Rim ⌀13.600.536
Belt ⌀n/a
Rim thickness1.520.060~
Neck lengthn/a
Case length63.502.500
Overall length50.802.000~

Size vs familiar rounds

Drawn at true 1:1 — every case is accurate relative to the others. Absolute size depends on your screen's pixel density, so measuring one against a real ruler may be off. .410 Bore is highlighted below.

Factory loads

In production — 238 active loads across 44 brands. Top 15 shown · see all 240 →.

BrandLoadGrainBulletFPSft·lbBC
RemingtonExpress Slug1190Rifled Slug1,8308,847
RemingtonSlugger218Slug1,8301,621
RemingtonSlugger218Lead Slug1,8301,621
WinchesterSuper-X218Lead Slug1,8301,621
WinchesterSuper-X Slugs87Slug1,830647
FederalTruBall218Rifled Slug1,8301,621
FederalAmerican Eagle881/5 oz Slug1,830654
WinchesterUSA White Box881/5 oz Slug1,830654
WinchesterAA Target881/5 oz Slug1,830654
WinchesterSuper-X Buckshot881/5 oz Slug1,830654
RemingtonExpress881/5 oz Slug1,830654
PMCBronze881/5 oz Slug1,830654
FiocchiTarget881/5 oz Slug1,830654
PPUStandard881/5 oz Slug1,830654
Sellier & BellotSlug87Rifled Slug1,830647

Velocities are manufacturer-stated (test-barrel). Discontinued loads dimmed.

Suitable powders

5 reloading powders listed for .410 Bore, fastest to slowest. Cross-reference in the finder →

Reloading costestimate cost per round vs factory

Estimate your cost per round and how it compares to factory. Inputs are yours — nothing is stored.

Cost estimate only — not load data. Charge weight is your input; follow published manuals for safe charges.

Firearms chambered in .410 Bore

12 models in the database chamber .410 Bore. Browse all →

Radikal MK3 .410 Bore O/UATA Arms Venza .410 Bore O/UHenry Repeating Arms Henry Axe Buck .410Henry Repeating Arms Side Gate 410 BoreRemArms 870 Fieldmaster .410 Bore 25-inchPointer Pointer O/U .410 Bore FieldTaurus Judge Executive Grade .45 ColtHenry Repeating Arms Henry Axe .410 Bore 15.14-inchHenry Repeating Arms H024 Axe .410 bore 15.14-inch Side GateSavage Arms 301 Turkey .410 Bore 26-inchWinchester SX4 Semi-Auto 410 BoreHenry Repeating Arms Axle .410

Connected reference

History

The smallest practical shotshell, used for small game, pest control, and introducing youth to shotguns. Also chambered in revolvers (Taurus Judge, S&W Governor). Limited but dedicated market.

FAQs

What twist rate does .410 Bore use?
.410 Bore typically uses a N/A (smoothbore) twist rate.
What bullet diameter is .410 Bore?
.410 Bore uses a 0.41″ (10.414 mm) diameter bullet.
Is .410 Bore still in production?
.410 Bore is active; typical availability is common.
What is .410 Bore used for?
.410 Bore is primarily used for small game, pest control, youth.
What are the best powders for .410 Bore?
Reloading powders commonly listed for .410 Bore include Red Dot, International Clays, Green Dot, Winchester 296, among 5 suitable options.

Sources & provenance

Data & sources. Specs compiled from the Lindcott Armory reference; availability counted from 238 live factory loads; the trajectory is modeled (point-mass), not measured. See methodology. Spotted an error? Report it →