UMAREX GmbH & Co. KG is a German manufacturer of air guns (including Umarex air pistols such as the Beretta Elite II), tear-gas and signal pistols, paintball markers under the RAM brand and airsoft guns, based in Arnsberg, North Rhine-Westphalia.

Umarex USA markets Umarex airguns in addition to many other airguns under license from various firearm brands that include Beretta, Browning, Colt, Hammerli, HK, Makarov, Ruger, Smith & Wesson, UZI, Walther and Glock.

[3] Umarex USA entered the tactical rimfire market in 2009 with the importation of Walther-made Colt M4 and M16 .22 LR guns.

The Legends line is based on historical guns in a BB or pellet airgun format.

In late 2010, the company began offering a Turkish-made M1911A1 chambered in .45 ACP under the Regent brand.