The caliber should be marked on the slide.
Made in 1965. This is simply called the .22 Automatic Rifle. The "E" in the serial number signifies the .22 short version.
about 1921
about 1921
@1936
@ 1912
about 1936
about 1919
about 1921
about 1926
1937
Impossible to answer without a serial number.
browning 2725