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Model Manufactuer Type Caliber
H&K HK4 Heckler & Koch Pistol .22 LR, .25 ACP, .32 ACP, .380, .380 ACP

About the H&K HK4


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 pulling the trigger. The pistol automatically cocks the hammer after a round is fired. The safety incorporates a decocking mechanism that can safely decock the pistol with a round in the chamber. The hammer is decocked by putting the safety in the “safe” position and pulling the trigger, which allows the hammer to fall without striking the firing pin. When using center fire cartridges, there is a red marking on the top of the extractor that serves as a “chamber loaded” indicator.

.22LR, .25 ACP, .32 ACP, .380 ACP ADD 25% for .22 LR & .380 ACP

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