Heckler & Koch AR Pistols for Sale
Founded: 1949
HQ: Germany
Heckler & Koch GmbH of Germany entered the AR pistol market in late 2024 with its MR A4 series for the U.S., making this a recent, niche addition to the brand’s lineup rather than a long-standing core category. HK’s AR pistols center on a piston-driven, short-stroke gas system with an adjustable regulator for suppressed or unsuppressed use, fully ambidextrous controls, and premium build standards that include a lifetime barrel-bore guarantee on the MR A4 series. On FirearmLand, the most frequently listed Heckler & Koch AR pistol models include the SP5, HK416, and MR556.
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