Heckler & Koch HK4 for Sale
Founded: 1949
HQ: Germany
The Heckler & Koch HK4 is a hammer-fired DA/SA, straight-blowback semi-automatic pocket pistol with a compact alloy-frame design, most often associated with .32 ACP. It is distinguished by a multi-caliber quick-change system of barrels, recoil springs, and magazines, with a removable breech face plate for rimfire conversion.
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