850.00 Winchester Model 1910, 401cal North Bay Apr 13, 2024 - 8:49 AM [email protected] Winchester model 1910 in 401 calibre. semi. They were produced from 1910 to 1936 with around 20,000 made. The serial number on this gun 44XX would indicate that it was the first rear production made in 1910. Lyman peep site.