H&R is pleased to introduce a Commemorative Pistol
Set in honor of its 100th anniversary. Only a limited
number of these semi-automatic pistol sets have been
produced in serial number sequence from HR 1 to HR 2000.
The set consists of a double action pistol with
interchangeable matched barrels and magazines in .380
caliber and .22 caliber long rifle. A distinctive gold name
plate and gold trigger accent each pistol. Matched
barrels are identified with the pistol's serial number. Each
pistol set is packaged in a custom fitted, velvet lined,
wooden presentation kit with lock and key and will be a
welcome addition to any sportsman's collection of
limited production sporting arms.
That gentlemans page also has an exploded view of your new toy.
From another page concerning the HK-4 :
Total production for the civilian market was 26,550 units, serial numbered from 10001 to 36550. There were another 12,400 produced for the police, serial numbered 40001 to 52400. Total production for Harrington & Richardson American imports was 8,700, serial numbered 001-8700.