Martini-Henry Mark III

Royal Small Arms Factory · Rifle · Discontinued · 1879

Also known as: Martini-Henry Mk III, Rifle, Breech-loading, .450-inch, Martini-Henry Mk III, P-1871 Martini-Henry, Martini-Henry Long Lever, MH Mk III

Overview

The Martini-Henry Mark III is a single-shot, breech-loading British service rifle adopted in 1879, representing the third and most widely-produced mark of the iconic Martini-Henry family. It combined the self-cocking falling-block action developed by Swiss-Austrian engineer Friedrich von Martini (itself an improvement on the Peabody dropping-block) with the seven-groove polygonal rifling designed by Scottish gunmaker Alexander Henry. The rifle operated via a finger-lever beneath the receiver: pulling the lever downward dropped the breechblock, ejected the spent case, and cocked the internal striker, allowing a fresh .577/450 cartridge to be fed into the chamber by hand. Because the schema enum does not yet include a 'falling_block' action, the nearest approximation 'bolt_action' is recorded above; mechanically the Martini-Henry is a falling-block, Peabody-derived, lever-operated single-shot rifle, not a bolt-action. Chambered primarily in the massive .577/450 Martini-Henry bottlenecked black-powder cartridge, the rifle fired a 480-grain (31.1 g) paper-patched lead bullet at approximately 411 m/s, generating devastating stopping power that became the hallmark of British colonial warfare. The Mark III introduced a more secure hook-retained forend, a smaller cocking indicator, a wider breechblock, and a thicker firing pin compared to the earlier Mark II, along with greater parts commonality with the Martini-Henry carbine variant. Sighted to 1,800 yards and capable of 12 aimed rounds per minute in skilled hands, the Martini-Henry served as the right arm of the British Empire at the height of Victorian expansion.

Specifications

Weight (empty)4130 g (145.7 oz)
Overall Length1245 mm (49.02")
Barrel Length843 mm (33.19")
Action TypeBolt Action
Firing MechanismHammer Fired
Trigger TypeSingle Stage
Magazine Capacity1 rounds
Magazine TypeInternal
Muzzle Velocity411 m/s (1348 fps)
Muzzle Energy2626 J (1937 ft·lbf)
Effective Range370 m (405 yd)
Maximum Range1737 m (1900 yd)
Rate of Fire12 rpm
Barrel RiflingRight Hand
Rifling Twist558 mm (21.97")
Number of Grooves7
Frame MaterialSteel
Barrel MaterialSteel
Stock MaterialWood
FinishBlued

Calibers

Features

Variants

Service history

Operators

Conflicts

Production

Estimated total produced: 750,000 · Production years: 1871-1889

Estimates range from 500,000 to 1,000,000 across all four marks produced at RSAF Enfield, Birmingham Small Arms, London Small Arms Company, National Arms & Ammunition Company, and the Henry Rifled Barrel Company. Figure excludes Nepalese Gahendra copies and the vast number of hand-made Khyber Pass copies produced into the 20th century.

Origin

Country of origin: United Kingdom

Designer: Friedrich von Martini (action); Alexander Henry (rifling)

Discontinued: 1889

Notes

The Martini-Henry's famous cartridge-extraction problems at Isandlwana and Rorke's Drift in 1879 were caused by the thin rolled-brass foil cartridges of the era deforming and adhering to black-powder-fouled chambers rather than by the action itself; solid-drawn brass cartridges introduced from 1885 resolved the issue. The Mark IV (adopted 1887) added a longer loading lever for greater extraction torque. From 1889 onward, many Martini-Henry rifles were rebarreled to .303 British as the Martini-Enfield (Enfield rifling) or Martini-Metford (Metford rifling) to extend service life after the adoption of the Lee-Metford. Production occurred at the Royal Small Arms Factory Enfield (1876-1889), Birmingham Small Arms (BSA), the London Small Arms Company, the National Arms & Ammunition Company, and the Henry Rifled Barrel Company. The Nepalese Gahendra rifle was a licensed indigenous copy, and Khyber Pass gunsmiths in the tribal regions of modern Pakistan and Afghanistan continued producing hand-made Martini-Henry copies well into the 20th century -- specimens were recovered from Taliban caches in the 21st century over 130 years after the rifle's introduction.

Background

At the Battle of Rorke's Drift on 22-23 January 1879, roughly 150 British soldiers of the 24th Regiment of Foot held off some 3,000-4,000 Zulu warriors for twelve hours using Martini-Henrys, firing so continuously that barrels glowed red-hot and soldiers had to urinate on them to cool the metal -- eleven Victoria Crosses were awarded, the most ever for a single action. Over a century later, Martini-Henry rifles and Khyber Pass copies were still being recovered from Taliban weapon caches in Afghanistan, making the rifle arguably the longest-serving breech-loading military firearm in human history.