Winchester Model 1907 The Winchester Model 1907 is a blowback - operated , semi - automatic rifle produced by the Winchester Repeating Arms Company beginning in 1906 with production ending in 1958 . It was fed from a 5 or 10 - round capacity , detachable box magazine located immediately forward of the trigger guard . The only cartridge offered by Winchester as a factory chambering in the Model 1907 was the . 351SL centerfire . The energy of this cartridge approximates the modern . 357 Magnum when fired from a rifle . Variants . In addition to the standard or " plain finish " model , a deluxe or " fancy finish " model was offered with pistol grip stock and checkering on the forearm and wrist of the stock . The plain finish rifles were offered in 1907 at a list price of $ 28 . In 1935 , Winchester offered a special " Police Rifle " variant , featuring a non - adjustable rear sight , sling swivels , larger magazine release , and a special barrel measuring 5 / 8 " at the muzzle , and rear sight dovetail moved 2 3 / 8 " inches rearward . A barrel sleeve with Krag bayonet mount and front sight was also an option with the " Police Rifle " . Patents . The basic design for the Model 1907 is covered by issued August 27 , 1901 and assigned to Winchester by Thomas Crossley Johnson , a key firearms designer for Winchester . This patent was initially used to protect the design of the rimfire Winchester Model 1903 , but came to be applied toward the centerfire Winchester Self Loading rifle series , which includes the Model 1905 , Model 1907 , and Model 1910 . World War I Orders . The French government initially ordered 300 Model 1907 rifles in October 1915 from Winchester , soon followed by an order for 2 , 500 more rifles . Ammunition orders for these rifles exceeded 1 . 5 million cartridges of . 351SL before 1917 . Subsequent orders in 1917 and 1918 totaled 2 , 200 Model 1907 rifles . According to factory records , these rifles were modified for fully automatic fire and fitted with Lee - Navy rifle bayonets . These rifles were designated by the name of Winchester Model 1907 / 17 , they used either a 15 round magazine or 20 round magazine and fired from 600 to 700 rounds per minute . See also Ribeyrolle Automatic Carbine According to a November 1 , 1916 Winchester internal report , Great Britain ' s London Armory was sent 120 Model 1907 rifles and 78 , 000 rounds of . 351SL ammunition between December 1914 and April 1916 for use by the Royal Flying Corps . These rifles were specially modified for aerial use and intended to arm airplane rear seat observers . The Imperial Russian government is recorded by Winchester as purchasing 500 Model 1907 rifles and 1 . 5 million rounds of . 351SL ammunition through the J . P . Morgan Company in May 1916 . According to factory records , the 1st Aero Squadron of the U . S . Army Signal Corps Air Service was shipped 19 Model 1907 rifles and 9000 cartridges of . 351SL ammunition . The 1st Aero Squadron ' s shipment was sent to Columbus , New Mexico and was presumably used in arming their aircraft while in support of General Pershing ' s Punitive Expedition . Law Enforcement . The Model 1907 was a popular rifle with law enforcement in the United States during much of its production - especially in the 1930s when the police in the United States were upgrading their firearms due to the increase in crime . The Federal Bureau of Investigation acquired some Model 1907 rifles in response to the 1933 Kansas City Massacre .