Colt Government, Series 70, Nickel, 45

Designer John Browning
Designed 1911[1] and 1924 (A1)
Manufacturer Colt Manufacturing Company
Produced 1911–present
No. built Over 2.7 million
Variants M1911A1[1]
M1911A2[2]
RIA Officers
Specifications
Weight 2.44 lb (1.105 kg) empty, w/magazine[1][3]
Length 8.25 in (210 mm)[1]
Barrel length Government model: 5.03 in (127 mm)[1]
Commander model: 4.25 in (108 mm)
Officer's ACP model: 3.5 in (89 mm)

Cartridge .45 ACP
Action Short recoil operation[1]
Muzzle velocity 830 ft/s (253 m/s)[1]
Feed system 7 round standard detachable box magazine[1]