The HK4 is a historical firearm and marks the beginning of pistol production at Heckler & Koch. In its basic structure and the main manufacturing processes, the HK4 laid groundwork for its …

2020年4月2日 · Heckler & Koch got its start making rifles for military and police use, but the demand for semi-automatic pistols grew in the 1960s, leading to the HK4.

The HK4 is a blow-back operated unlocked-breech semiautomatic pistol with a double-action trigger and an external hammer. Its name is derived from the tool-free interchangeability of the …

2020年9月3日 · The HK4, which offered the advantage of being multi-caliber, joined Heckler & Koch's early semi-auto hunting rifles and the company's P9 pistol in being the company's first …

Discover the innovative Heckler & Koch HK4, a trailblazing semi-automatic pistol that redefined versatility in firearm design. With its unique ability to switch between four calibers – .22 LR, .25 …

The H&K Model 4 was named for the fact that it was offered in four different calibers - .22LR, .25 ACP, .32 ACP, and .380 ACP. The gun came with a complete set of spare barrels and …

2023年6月15日 · The Heckler & Koch HK4 is a semi-automatic handgun chambered in .25 ACP and 9×17mm Kurz (or .380 ACP). It is the first of the “OG” series of handguns designed and …

2016年7月7日 · Heckler and Koch made a name for themselves when they began producing rifles, but in the mid 1960s they decided to expand their product line to include pistols. The …

2019年8月28日 · The H&K Model 4 was named for the fact that it was offered in four different calibers – .22LR, .25 ACP, .32 ACP, and .380 ACP. The gun came with a complete set of …

The HK 4 is a straight-blowback, double-action to single-action pistol. With a round in the chamber, a bullet may be fired by either pulling the trigger or by cocking the hammer and then …