Jarmann M1884

The Jarmann M1884 is a Norwegian bolt-action repeating rifle designed in 1878 adopted in 1884. The Jarmann's adoption, and subsequent modifications, turned the Norwegian Army from a fighting force armed with single-shot black-powder weapons into a force armed with modern repeating weapons firing smokeless ammunition. Several thousand were manufactured to equip the Norwegian Armed Forces in the 1880s, and it also saw some, though very limited, use in Sweden. The design is unique, and was the brainchild of Norwegian engineer Jacob Smith Jarmann. After the design had been phased out of the Norwegian Army, a number of the weapons were rebuilt as harpoon guns.

Jarmann M1884
M1884 Jarmann repeating rifle
TypeBolt action Repeating rifle
Place of originNorway
Service history
In service1884 to 1900 (reissued to second line units in 1905)
Production history
DesignerJacob Smith Jarmann
Designed1878
No. built31,500
VariantsSwedish Jarmann (three bands)
Norwegian Jarmann (two bands)
Specifications
Mass4.5 kg (10 lb)
LengthUnknown
Barrel length850 mm (33.5 in)

Cartridge10.15 x 61R
ActionBolt action
Rate of fireUnknown, but as fast as the operator could operate the action
Muzzle velocity485 to 500 m/s (1,191 to 1,640 ft/s)
Effective firing range430 metres (470 yd) (with iron sight)
Maximum firing range2,400 metres (2,600 yd) (10.15 x 61R rimmed)
Feed system8-round fixed tubular magazine
SightsV-notch and front post
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