Harrington & Richardson HK4 .22 LR 3″ Semi Automatic Pistol MFD 1968-1984
SOLD FOR: $1,276.51
LSB#: LSB250529MW017
Make: Harrington & Richardson (licensed from Heckler & Koch)
Model: HK4
Serial Number: HR06483
Year of Manufacture: 1968-1984
Caliber: .22 Long Rifle
Action Type: Semi-Automatic, Blowback Operated, Fed by Detachable Magazine
Barrel Length: 3”
Sights / Optics: The front sight is a blade integral to the slide. The rear sight is a square notch dovetailed into the slide.
Stock Configuration & Condition: The grips are two-piece black checkered plastic panels. There are only minor handling marks. The grips rate in about Excellent condition.
Type of Finish: Blued
Finish Originality: Original
Bore Condition: The bore is bright, the rifling is sharp. There is no visible erosion in the bore. In this writer’s opinion, the bore rates 10/10.
Overall Condition: This pistol retains about 95% of its metal finish. The balance of the finish shows light operational wear. The screw heads are sharp. The markings are clear. Overall, this pistol rates in about Very Good condition.
Mechanics: The action functions correctly. We did not fire this pistol. As with all used firearms, a thorough cleaning may be necessary to meet your maintenance requirements.
Box, Paperwork & Accessories: This pistol comes with 2 .32 acp and .380 auto conversion kits, 1 380 magazine, 1 32 acp magazine, 2 22lr magazines, and tools.
Our Assessment: The Harrington & Richardson HK4 is a fascinating piece of Cold War-era engineering, designed by Heckler & Koch and imported under license to the U.S. market by H&R. Unique among compact pistols of the time, the HK4 was engineered as a true modular handgun—capable of quickly converting between .22 LR, .32 ACP, and .380 Auto calibers using interchangeable barrels, recoil springs, and magazines. For collectors and shooting enthusiasts alike, this flexibility makes the HK4 an intriguing and versatile addition to any collection.
This example is in Very Good condition, retaining about 95% of its original finish and showing only light operational wear. The bore is pristine, and the pistol comes complete with all three caliber kits, including original magazines and tools. These complete kits have become increasingly difficult to find in unmolested condition, especially with factory components intact.
Whether you’re looking for a compact collectible with modular flair or a reliable shooter that represents a clever chapter in H&K’s design history, this HK4 stands out. Please see our high quality photos and good luck on your bid! -M.C.
