Ruger Standard

Ruger Standard
Blued Ruger Standard model with wood grips
Type	Semi-automatic pistol
Place of origin	United States
Production history
Designer	William Ruger
Designed	1949
Manufacturer	Sturm, Ruger
Produced	1949–present
Variants	MK I Target MK II MK II Target MK II Government Target Competition model MK III MK III Target 22/45 MK IV
Specifications
Barrel length	4 in (10 cm) 4.75 in (12.1 cm) 5.25 in (13.3 cm) 5.5 in (14 cm) 6 in (15 cm) 6.875 in (17.46 cm) 10 in (25 cm)
Cartridge	.22 Long Rifle
Action	blowback
Feed system	9- or 10-round box magazine
Sights	Open iron sights, both fixed and adjustable

The Ruger Standard Model is a rimfire semi-automatic pistol introduced in 1949 as the first product manufactured by Sturm, Ruger & Co., and was the founding member of a product line of .22 Long Rifle cartridge handguns, including its later iterations: the MK II, MK III, and MK IV. It is marketed as an inexpensive .22 caliber rimfire intended for casual sport and target shooting, and plinking. Designed by company founder William B. Ruger, the Standard model and its offspring went on to become the most accepted and successful .22 caliber semi-automatic pistols ever produced.^[1][2]