AUTOMATIC PISTOL, CALIBER .30 MODEL OF 1918 - During World War I Mr. J.D. Pedersen designed a device which, inserted into the receiver of a modified Model 1903 rifle, gave the rifle the capability of firing 40 pistol sized .30 caliber bullets in semi-automatic mode. Secrecy surrounding the development of this 'Pedersen Device' resulted in it being called an automatic pistol.
M1903 Mk.I without Pedersen Device SPAR6292
M1903 Mk.I with Pedersen Device SPAR1324
Last updated: February 26, 2015