==External links==*M1903.com*M1903 Air Service variant*SniperCountry.com article on the M1903*Springfield M1903 at Modern Firearms*FM 23-10 Basic Field Manual: U.S. Rifle Caliber .30, M1903, 20 September 1943*(1943) TM 9-270 U.S. Rifle, Cal.
* »Bushmaster '03 Carbine,« revija "American Rifle", april 2005, str.