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Lindcott Armory Lindcott Armory
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Shotgun · SAAMI

.410 Bore

Also known as .410 gauge · 36 gauge

The smallest production shotshell.

Caliber
0.41″ · 10.414 mm
Introduced
1874
Case
Rimmed
Primary use
Small Game, Pest Control, Youth
Status
Active

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VelocityBeing verified
EnergyBeing verified
Typical grains175 · 218 · 219 gr
Identity
Introduced
1874
Type
Shotgun
Origin
United Kingdom
Inventor
Various
Manufacturer
Various
Standard
SAAMI
Status
Active
Availability
Common
Build
Case capacity
82.4 gr H₂O
Twist (typical)
N/A (smoothbore)
Primer
209 Shotshell
Case type
Rimmed
Pressure & range
Max pressure
13,500 psi, SAAMI transducer
Eff. range
25 yd
Max range
100 yd
Recoil
8–12 ft·lb
Subsonic
Capable

Ballistics

Published velocity/energy data isn't available for .410 Bore.

Performance

Best for Withheld until verified
Best for Withheld until verified
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 angle n/a
Base ⌀ 11.940.470 ✓
Rim ⌀ 13.600.536 ✓
Belt ⌀ n/a
Rim thickness 1.520.060 ~
Neck length n/a
Case length 63.502.500 ✓
Overall length 50.802.000 ~

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

Verification

Being verified

Advertised FPS, energy, and BC are withheld until loads clear verification.

Suitable powders

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

Red DotInternational ClaysGreen DotWinchester 296Lil'Gun
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

ATA Arms Venza .410 Bore Sporting O/URadikal MK3 .410 Bore O/UPointer Pointer Acrius .410 Bore O/UATA Arms Venza .410 Bore O/UPointer Pointer O/U .410 Bore FieldHenry Repeating Arms Axe 410-45 ColtArmsan Tekno .410 Bore O/UHenry Repeating Arms Henry Axe Buck .410Henry Repeating Arms Side Gate 410 BoreWinchester Repeating Arms SX4 .410 Bore 26-inchRemArms 870 Fieldmaster .410 Bore 25-inchTaurus Judge Executive Grade .45 Colt

Connected reference

Reloading5 suitable powders — cross-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 213 live factory loads; the trajectory is modeled (point-mass), not measured. See methodology. Spotted an error? Report it →

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