The model has been manufactured from 1933 to 1942, and again since 1968.
Since the end of the world war 2, three models have been manufactured.
The model was manufactured until the end of 1967, more than 172,000 copies.
By 1964, 18,741 models had been manufactured, a new record for that time!
The first model was manufactured from 1978 to 1982.
Only four models of the 15/20 were manufactured and the model was quickly replaced by the Austin 18/24 in 1907.
This model is still manufactured today as the Model 83.
As of now all models are manufactured with a plastic trigger guard.
The model 770 is manufactured in several popular sporting cartridges.
This feature was omitted from later models manufactured after approximately 1978.