Martini-Henry Mark III

Royal Small Arms Factory · Rifle · Discontinued · 1879

Weight (empty)4130 g (145.7 oz)
Overall Length1245 mm (49.02")
Barrel Length843 mm (33.19")
Magazine Capacity1 rounds
Action TypeBolt Action
Firing MechanismHammer Fired
Muzzle Velocity411 m/s (1348 fps)
Muzzle Energy2626 J (1937 ft·lbf)
Effective Range370 m (405 yd)
Frame MaterialSteel

Primary Caliber: .577/450 Martini-Henry

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: pu...

Country of Origin: United Kingdom

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