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 much more important and successful successor, the H&K P9S.

Apr 2, 2020 · The pistol’s designation—HK4—identified a compact auto that could fire four different cartridges. They were .22 Long Rifle, .25 ACP, .32 ACP and .380 ACP.

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 four barrels in calibers 9mm Browning Short, 7.65mm Browning, 6.35mm Browning and …

Sep 3, 2020 · 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 range of imports to...

A HK4 pistol is currently worth an average price of $3,157.00 new and $782.92 used . The 12 month average price is $3,015.16 new and $809.08 used. The new value of a HK4 pistol has risen $2,083.45 dollars over the past 12 months to a price of $3,157.00 .

Aug 28, 2019 · 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 magazines to allow conversion between all of them, and interesting feature not offered by any other pistols like it at the time.

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Jul 7, 2016 · 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 result was a caliber convertible, small handgun that could fire .380, .32, .25, and .22 cartridges by having the end user do a quick conversion.

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 ACP, .32 ACP, and .380 ACP – the HK4 offers unmatched …

Apr 13, 2008 · The HK 4 (P11 in German military issue) pistol is a most interesting offering from the German firm of Heckler and Koch, GmBH.