What bullet diameter is .40-90 Sharps Bottleneck?

.40-90 Sharps Bottleneck uses a 0.403″ (10.24 mm) diameter bullet.

Is .40-90 Sharps Bottleneck still in production?

.40-90 Sharps Bottleneck is obsolete.

Rifle

.40-90 Sharps Bottleneck

Bottleneck (necked) .40-90 Sharps — a black-powder buffalo cartridge of the 1870s–80s, distinct from the straight .40-90..

Caliber: 0.403″ · 10.24 mm
Case: Bottleneck
Status: Obsolete

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Velocity—–1,450 fps

Identity

Type: Rifle
Status: Obsolete

Build

Case type: Bottleneck

Pressure & range

Eff. range: 200 yd

Ballistics

Representative trajectory · velocity only, no drag model · 25 yd zero0–200 yd

Drop Zero

Velocity only, no drag model: no published ballistic coefficient is on file for .40-90 Sharps Bottleneck, so this is the shape gravity alone gives the advertised velocity. Drag would steepen it. The tool below solves real loads through their published G1 or G7 model.

Open in Ballistic Compare

Parent case: —

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

Dimensionscase measurements · scale drawing · size vs familiar rounds

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

Dimensions · approximate

Measure	mm	in	✓
Bullet ⌀	10.24	0.403	·
Neck ⌀	—	—
Shoulder ⌀	n/a
Shoulder angle	n/a
Base ⌀	—	—
Rim ⌀	—	—
Belt ⌀	n/a
Rim thickness	—	—
Neck length	n/a
Case length	—	—
Overall length	—	—

Missing a dimension for .40-90 Sharps Bottleneck? Some case measurements aren't in a published SAAMI/CIP drawing yet. Have a factory or reamer print? Send it → — verified hard-to-find data earns a free Lindcott sticker.

Reloading costestimate cost per round vs factory

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

Powder $/lb Charge (gr) Bullet $/ea Primer $/ea Brass reuses Brass $/ea

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

Connected reference

FirearmsFirearms in .40-90 Sharps Bottleneck ToolCompare ballistics

History

Bottleneck (necked) .40-90 Sharps — a black-powder buffalo cartridge of the 1870s–80s, distinct from the straight .40-90.

FAQs

What bullet diameter is .40-90 Sharps Bottleneck?: .40-90 Sharps Bottleneck uses a 0.403″ (10.24 mm) diameter bullet.
Is .40-90 Sharps Bottleneck still in production?: .40-90 Sharps Bottleneck is obsolete.

Sources & provenance

Reference Reloading Data .40-90 BN / .40-90 Bottleneck (Venturino Data) · velocity_max_fps
Reference Reloading Data .40-90 Sharps (Necked) · velocity_max_fps

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