Assistance please: Interarms Mauser HSc

I am hoping to take possession of an Interarms Mauser HSc in 9mm Kurz (380 ACP) by the end of the week. This means that I took a really close look at it today in preparation to purchasing some spare parts (recoil spring, firing pin and spring). I have tried to do an internet search for the DOM, but I am having some difficulty.

The serial number for this HSc is 01.7XXX, which appears to pre-date the earliest serial number listed for 1969 (first year of importation) which looks like 01.0000XX.

Might anyone be able to help with identifying when this HSc was made? I will be upfront, I forgot to see if the accompanying test target was dated. BTW, all serial numbers match: frame, slide and barrel. The slide rails and feed ramp show very little wear, suggesting it was barely fired by it's previous owner(s)!

I know, I know! Pictures will be posted once I take possession.

Try Numrich Arms for the parts for the HSc.

Search | Numrich Gun Parts
 
As an FYI for anyone following this post. Still waiting for the elusive permit, but stopped by the shop this morning to check a few things. The test target is stamped 25 Mar 70. The 15m test group was about 1.25" horizontal, and no more than half inch vertical.
 
Hope the OP doesn't mind my posting of my HSc. From WWII.
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My WWII HSc (7.65) worked great - it may have been a mistake for me to have traded it for the first East German Mak I ran across, but it was the early Nineties and we were all excitable to get the first DDR Maks (a great gun). But I hope our friend has more luck with his Interarms .380 than I did with the one I bought used and then immediately returned to the gun store a couple years ago.



It's still there.



 
One thing to keep in mind: the locked-back slide on these guns will close automatically and chamber a round when the magazine is inserted. As long as you're following the basics of gun safety, specifically good muzzle discipline, this doesn't present a problem. But it can be a little jarring if you're not expecting it.

It seems a real safety issue. My W.W.I.I HSc does not have that problem, as the Walther patent lawsuit forced Mauser to change the slide return operation, which now forces a new round to the chamber, and forces the shooter to carefully set the hammer down, even with the safety “on”.
 
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