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Shotgun · Proprietary

32 Gauge

32 bore32-bore.526 bore

Rare shotgun gauge between 28 gauge and .410; still manufactured by European makers including Fiocchi; popular historically in light game guns for upland birds..

Caliber
0.526″ · 13.36 mm
Introduced
1870
Case
Rimmed
Status
Active
Identity
Introduced
1870
Type
Shotgun
Origin
United Kingdom
Inventor
Various
Standard
Proprietary
Status
Active
Availability
Rare
Build
Primer
Shotgun
Case type
Rimmed
Pressure & range
Eff. range
25 yd

Ballistics

Published velocity/energy data isn't available for 32 Gauge.

Dimensionscase measurements · scale drawing · size vs familiar rounds

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

SAAMI · approximate
Measuremmin✓
Bullet ⌀13.360.526·
Neck ⌀14.500.571~
Shoulder ⌀n/a
Shoulder anglen/a
Base ⌀14.500.571~
Rim ⌀16.590.653~
Belt ⌀n/a
Rim thickness——
Neck lengthn/a
Case length63.502.500~
Overall length——

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. 32 Gauge is highlighted below.

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.

Connected reference

FirearmsFirearms in 32 Gauge↗

History

The 32 gauge sits between the 28 gauge and .410 bore in the shotgun gauge hierarchy and is one of the rarest gauges still in commercial production. It was historically popular for lightweight game guns in Europe and remains available from Fiocchi and a few Italian makers for owners of antique or fine European game guns.

FAQs

What bullet diameter is 32 Gauge?
32 Gauge uses a 0.526″ (13.36 mm) diameter bullet.
Is 32 Gauge still in production?
32 Gauge is active; typical availability is rare.

Sources & provenance

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