Ruger SP-101

• Name — SP101 • Origin — United States • Type — Revolver • Is Ranged — yes • Manufacturer — Sturm, Ruger & Co. • Production Date — 1989–present • Variants — See Models • Weight — 25 - • Length — 7.2 in 8 in 9.12 in • Part Length — 2.25 in 3.06 in 4.2 in • Cartridge —.22 LR.38 Special.357 Magnum.327 Federal Magnum 9×19mm.32 H&R Magnum (discontinued) • Action — Double-action revolver • Range — 33 to 55 yards (30 to 50 meters) • Max Range — 550 yards (500 meters) +/− • Feed — 5/6/8-round cylinder

The Ruger SP101 was introduced in 1989 as the smaller-frame counterpart to the GP100. Together, these revolvers replaced Sturm, Ruger & Co's long-standing staple in the American firearms market, the Ruger Security-Six series revolvers. A 9 mm version was available until its discontinuation around 1998 but was later re-released in early 2018. A basic.22 LR version was also available until 2003 while a redesigned version was introduced in 2011.

• Weight: • 2", 25 oz. (708 g) • 3", 27 oz. (765 g) • 4", 22 LR: 30 oz. (850 g),.327 Federal Magnum: 29.5 oz (836 g), and.357 Magnum: 29.5 oz.(836 g) • Barrel lengths: 2" (57.15 mm), 3" (77.79 mm), 4" (101.6mm) • Double-action/single-action • Double-action-only on select models • Five-shot (.38 Special,.357 Magnum, 9×19mm Parabellum), six-shot (.327 Federal Magnum,.32 H&R Magnum), eight-shot (.22 LR) • Maximum effective range: 33 to 55 yards (30 to 50 meters) depending on barrel length and cartridge load

• Catalog number — Caliber — Capacity — Sights — Shroud — Barrel length — Weight — Notes • KSP-221 —.22 LR — 6 — Adj. — Full — 2" — 32 oz — Discontinued • KSP-240 —.22 LR — 6 — Adj. — Short — 4" — 33 oz — Discontinued • KSP-241 —.22 LR — 6 — Adj. — Full — 4" — 34 oz — Discontinued • KSP-242-8 —.22 LR — 8 — Adj. — Short — 4" — 30 oz — Adjustable fiberoptic • KSP-3231 —.32 H&R Magnum — 6 — Adj. — Full — 3" — 30 oz — Discontinued • KSP-3241 —.32 H&R Magnum — 6 — Adj. — Full — 4" — 33 oz — Discontinued • KSP-32731X —.327 Federal Magnum — 6 — Adj. — Full — 3" — 28 oz — No longer on web site: Jan 16, 2013 • KSP-32741 —.327 Federal Magnum — 6 — Adj. — Full — 4" — 29.5 oz • KSP-821 —.38 Special +P — 5 — Fixed — Full — 2" — 25 oz • KSP-821DOS —.38 Special +P — 5 — Fixed — Full — 2" — 25 oz — Bobbed hammer made for the U.S. State Department • KSP-831 —.38 Special +P — 5 — Fixed — Full — 3" — 27 oz — Discontinued • KSP-321X —.357 Magnum — 5 — Fixed — Full — 2" — 26 oz • KSP-341X —.357 Magnum — 5 — Adj. — Full — 4" — 29.5 oz — Adjustable fiberoptic • KSP-321X-CT —.357 Magnum — 5 — Fixed — Full — 2" — 25 oz — Crimson Trace lasergrips • KSP-321XL-LG —.357 Magnum — 5 — Fixed — Full — 2" — 25 oz — Crimson Trace lasergrips • KSP-331X —.357 Magnum — 5 — Fixed — Full — 3" — 27 oz • KSP-321XL —.357 Magnum — 5 — Fixed — Full — 2" — 25 oz — D.A.O • KSP-921 — 9×19mm Parabellum — 5 — Fixed — Full — 2" — 26 oz — Discontinued, uses moon clips; re-introduced November 2017 • KSP-931 — 9×19mm Parabellum — 5 — Fixed — Full — 3" — 27 oz — Discontinued, uses moon clips • All models are made of stainless steel • Caliber:.357 Magnum SP101s handle all.357 Magnum factory loads and accept factory.38 Special cartridges • Spurless-hammer models (double-action only) are designated by an "L" in their catalog numbers

* • New York Police Department SPNY Double Action Only (DAO).38 Special made specifically for the NYPD as a backup gun, off-duty, or Detective use.