Ruger SP101

SP101
SP101 with Corbon load data
Type	Revolver
Place of origin	United States
Production history
Manufacturer	Sturm, Ruger & Co.
Produced	1989–present[1]
Variants	See Models
Specifications
Mass	25–30 oz (710–850 g)[2]
Length	7.2 in (18 cm) 8 in (20 cm) 9.12 in (23.2 cm)[2]
Barrel length	2.25 in (5.7 cm) 3.06 in (7.8 cm) 4.2 in (11 cm)[2]
Cartridge	.22 LR .38 Special .357 Magnum .327 Federal Magnum 9×19mm .32 H&R Magnum (discontinued)
Action	Double-action revolver
Effective firing range	33 to 55 yards (30 to 50 meters)
Maximum firing range	550 yards (500 meters) +/−
Feed system	5/6/8-round cylinder[2]

The Ruger SP101 is a series of double-action revolvers produced by the American company Sturm, Ruger & Co. The SP101 is a small frame and all-steel-construction carry revolver, with a five-shot (.38 Special, .357 Magnum, and 9×19mm Parabellum); six-shot (.327 Federal Magnum, and .32 H&R Magnum); or eight-shot (.22 LR) cylinder.