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Lindcott Armory

Rifle · Obsolete

.40-110 Winchester Express

Also known as 40-110 Winchester Express · .40-110 WE

Winchester single-shot express cartridge.

Caliber
0.403″ · 10.236 mm
Introduced
1885
Case
Rimmed
Primary use
hunting
Status
Obsolete

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VelocityBeing verified
EnergyBeing verified
Typical grains260 gr
Identity
Introduced
1885
Type
Rifle
Origin
United States
Inventor
Winchester
Manufacturer
Winchester Repeating Arms
Standard
Obsolete
Status
Obsolete
Availability
Antique
Build
Case capacity
120 gr H₂O
Twist (typical)
1:18
Primer
Large Rifle
Case type
Rimmed
Pressure & range
Max pressure
22,000 psi
Eff. range
300 yd
Recoil
14–20 ft·lb
Subsonic
Capable

Introduced by Winchester Repeating Arms

Ballistics

Published velocity/energy data isn't available for .40-110 Winchester Express — an obsolete/collector cartridge.

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.

mixed/other · approximate
Measuremmin
Bullet ⌀ 10.240.403 ~
Neck ⌀ 10.870.428 ·
Shoulder ⌀ 12.320.485 ·
Shoulder angle 6.6° ~
Base ⌀ 13.790.543 ·
Rim ⌀ 16.540.651 ·
Belt ⌀ n/a
Rim thickness 1.520.060 ·
Neck length 16.380.645
Case length 82.553.250 ·
Overall length 92.203.630 ·

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. .40-110 Winchester Express is highlighted below.

Factory loads

Verification

Being verified

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

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

History

Winchester's most powerful Winchester Express cartridge for the Model 1886 lever-action. Designed for very large North American game including moose and bison in the late 19th century. Fires heavy bullets at modest velocity with substantial energy. Obsolete after the .45-70 government and newer designs took over.

FAQs

What twist rate does .40-110 Winchester Express use?
.40-110 Winchester Express typically uses a 1:18 twist rate.
What bullet diameter is .40-110 Winchester Express?
.40-110 Winchester Express uses a 0.403″ (10.236 mm) diameter bullet.
Is .40-110 Winchester Express still in production?
.40-110 Winchester Express is obsolete; typical availability is antique.
What is .40-110 Winchester Express used for?
.40-110 Winchester Express is primarily used for hunting.

Sources & provenance

Data & sources. Specs compiled from the Lindcott Armory reference; availability counted from 2 live factory loads; the trajectory is modeled (point-mass), not measured. See methodology. Spotted an error? Report it →