Here is fairly complete sampling of barrel lengths in "Husqvarna Hagelvapen 1877-1977.
Model 14 and 14A 1877-1882, 73-75 cm barrels, underlever
ditto for Models 15, 16, 17, 18, 19, 20, 28, 29, 30, 31, 32, 33, 34, 35, 36. Generally, later productions limited to 75 cm, especially fluid steel barrels. 2-3 models have 73-76 cm barrels.
Model 42 1879-1899 73-75 cm barrels, top lever
ditto for Models 43, 44, 45, 46, 47, 48, 49, 50, 52,
Model 51, 1911-1947, 70-75 cm, top lever
ditto for Models 100, 101, 102, 103
Model 60 hammerless, 1901-1905, 70-75 cm,
about 70 cm for 200/201,
Model 210 70 cm, Models 300-301 75 cm,
Model 310, 1912-1942, 65, 68, 70, 72, 75 cm
Model 610, 1943-1950, 70 cm
Model 615, 1949-1952, 70 cm,
Model 350, 1952-1960, 70 cm,
Model 1310, 1959-1970, 70 cm,
There you have the "official" numbers.
Niklas
