The SIG Sauer P290 is a polymer frame subcompact handgun that was produced from 2011 to 2017 by SIG Sauer of Exeter, New Hampshire. It was replaced by the SIG Sauer P365. The P290 is chambered in 9×19mm Parabellum (9mm Luger, 9mm NATO). The slide is stainless steel treated with Nitron, making it appear black.

The SIG P290RS was released in 2012, a double-action only variant of the original P290, produced to meet users' demands for re-strike capabilities. There are four other major redesign points on the P290RS from the original: an added beavertail, rounded slide-lock lever, trimmed down magazine release button and a lengthened lip on the magazine.

SIG P290是一款適合個人自衛和警察等執法機構的 隱蔽攜帶 （ 英语 ： Concealed carry ） 的袖珍型手槍，發射9×19毫米帕拉贝鲁姆（9毫米魯格，9毫米北約）手枪子彈。

2011年7月28日 · Enter SIG SAUER’s tiny-niney, the P290. My first impression upon opening the box: what a charming little toy. It’s 5.5” long and 3.9” tall; I can easily cover this pistol with my hand and I do not have large hands.

2017年3月31日 · A polymer framed compact handgun, suitable for concealed carry? No, it's not a Glock, it's a SIG! Check out our P290 review to learn about one of the best.

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P290在SIG美国公司于2010年10月在北美市场推出的新手枪，这是一种9mm口径的袖珍型手枪，当时曾有传言指可能还会推出.40 S&W口径型，但直到今天还没有.40型的出现，但倒是推出了北美市场上的口袋枪中最常见的.380口径。

The SIG Sauer P290 has earned the following ratings for concealability, firepower, and overall suitability for concealed carry by persons with a valid CCW permit. For more information on how these numbers are calculated, please visit the Concealed Carry Factors™ information page.

2023年7月6日 · SIG P290是一款由西格&绍尔在美国新罕布什尔州埃克塞特市的工厂所研制及于2011年至2017年生产的袖珍型单动式半自动手枪，采用聚合物底把与不锈钢套筒，发射9×19毫米口径手枪子弹。 它已被SIG P365所取代。 类型 半自动手枪. 原产地 美国，德国. 生产历史. 研发者 西格&绍尔. 研发日期 2011年. 生产商 西格&绍尔，美国新罕布什尔州埃克塞特市工厂. 单位成本 MSRP：﹩492. 生产日期 2011—2017年. 衍生型 P290带激光型，P290RS 9毫米型，P290RS …

2016年7月29日 · The SIG SAUER P290 RS is a polymer-framed, double-action-only (DAO) pistol chambered in 9mm. The handgun is compact and is clearly designed for concealed carry. The gun comes with two magazines: a six-round mag and an eight-round mag. The six-round mag fits nearly flush, but has a small extension that allows for a little extra grip on the gun.