Rifle · Proprietary

.50-120 Sharps

.50-120.50-120-3.25 Sharps.50-120-3¼

A large-capacity blackpowder buffalo cartridge from the tail end of the great-hunt era, loading roughly 120 grains of black powder behind a heavy .512-inch lead bullet in a 3¼-inch straight case.

Identity
Introduced
1877
Type
Rifle
Origin
United States
Inventor
Sharps Rifle Company
Manufacturer
Sharps Rifle Company
Standard
Proprietary
Status
Obsolete
Availability
Scarce
Dimensions
Bullet ⌀
0.512″
Case length
3.25″
Overall length
4″
Base ⌀
0.562″
Twist
1:22
Primer
Large Rifle (Boxer)
Case type
Rimmed
Performance
Eff. range
300 yd
Max range
1200 yd
Recoil
30–45 ft·lb

Ballistics

Representative trajectory · 100 yd zero0–500 yd
100 yd · zero0″−136″136″ drop @ 500 yd0250500Open in Ballistic Compare ↗
Velocity
1,400–1,600 fps
Energy
1,700–2,400 ft·lb
Parent case

Representative trajectory — modeled from a single velocity input, not a measured load.

Dimensions

.50-120 Sharps cartridge dimensions diagram

Reloading cost

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

Introduced by the Sharps Rifle Company in the late 1870s as the buffalo herds were already being decimated, the .50-120 arrived near the end of the commercial hunt it was designed for. It survives today among black-powder cartridge rifle (BPCR) silhouette shooters and single-shot enthusiasts.

FAQs

What twist rate does .50-120 Sharps use?
.50-120 Sharps typically uses a 1:22 twist rate.
What bullet diameter is .50-120 Sharps?
.50-120 Sharps uses a 0.512″ (13.005 mm) diameter bullet.
Is .50-120 Sharps still in production?
.50-120 Sharps is obsolete; typical availability is scarce.
What is .50-120 Sharps used for?
.50-120 Sharps is primarily used for hunting, target.

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