Mystery Receiver? HELP Please?

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goldidig

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Hi Guys, A fellow I know brought me this barrelled receiver to ID. He wants to register it before the amnesty expires. I was at a loss, so before he took it back home I snapped a few pictures to post here. It has NO id numbers or symbols of any kind and it appears to be "in the white" and never fired. It is the strangest looking thing I have ever seen but I have handled mainly WWII era Milsurps of all kinds. It doesn't seem to fit in anything of that category but I could be wrong. It appears to be an 8mm bore but definitely not chambered for 8 mm. Mauser. From breech face to ridge in the chamber is approx. 46.25 mm. I am assuming it is a militery rifle based on the rough outer finish quality but I suppose it could be a commercial gun that was never finished.If anyone can help I'd sure appreciate it. Here's a few pictures.
mvc008f.jpg

mvc007f.jpg

mvc006f.jpg

mvc005f.jpg
 
Do a chamber cast to see what the caliber is, then slug the barrel. That's a good place to start.

Pete
 
Any holes in the barrel for a gas block ect? If not it looks like a mag/rotor feed lever gun. I really don't think it's semi cause there is no place for a gas tube/piston.
I'd say either a lever gun or a weird blowback sub-gun.
 
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Ranging gun?

I am trying to figure out where the cocking lever would travel?? seems the only way would be from under the action where that long slit... itried to google up a few exploded plan of various semi auto but with no success...I taught maybe in the Browning family..no!...could this be a ranging gun like on the old 106mm recoilsless AT gun??...this was a .50 cal single shot mag fed...any old Infanteer in the crowd?? or Armour guy...Centurion 50 cal ranging gun?
 
Just a tidbit, may be useless, but just prior to WWll, there was a German/Austrian(?)manufacturer. They were experimenting with a semi auto rifle, in a calibre similar to what is described.

This is my only, and unconfirmed guess....

Good luck!
 
JacquesT said:
I am trying to figure out where the cocking lever would travel?? seems the only way would be from under the action where that long slit... itried to google up a few exploded plan of various semi auto but with no success...I taught maybe in the Browning family..no!...could this be a ranging gun like on the old 106mm recoilsless AT gun??...this was a .50 cal single shot mag fed...any old Infanteer in the crowd?? or Armour guy...Centurion 50 cal ranging gun?
Click to expand...

For the 106mm RR that was the M8 .50cal ranging mg i think.
 
Thanks guys! Well, I guess I'm not the only one scratching my head then! GRIN. I'll get him to bring it back and do a chamber cast on it. It definitely is an 8mm. bore though. There is NO cocking lever passage so the suggestion that it is a rotary mag fed lever action sounds very good, BUT damn! It sure seems too heavy and too roughly machined for a commercial rifle. There is NO gas port. I thought the screw sleeve on mid barrel might hide one but there is no hole. I can't figure out the purpose of the sleeve either. It just looks military to me based on the machining. Maybe something that was never completed. A possible prototype? He bought it from an estate in a huge box of parts so there is no way to ever trace it back unfortunately. I'll post more when I get it back for a chamber cast.
Allan
 
Tbolt said:
For the 106mm RR that was the M8 .50cal ranging mg i think.
Click to expand...

Once you said the M8C 50 cal SPOTTER RIFLE... Hummmm

m8c_mounted.JPG


This is close? We need the chamber cast, Oil her up really well , plug the barrel with a few cleaning patches and pump in some silicone. Let it cure and then pop it out...

If it looks like this, then it will tell all.

726120.jpg


Funny, The 106mm RR, the only gun that knocks before coming in.
 
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The rear of the receiver looks like the collar for an MG34, but the rest of it doesn't match that pattern. Possibly one of the late-war variants? Anyone have copy of Desperate Measures they can check?

Definitely looks liek a short-recoil type action with a buffer in the buttstock.
 
DEFINITELY Not a pistol round. It has a necked down tapered chamber. I'll know for sure when the cast is done. I may be able to get him to drop it over this weekend. Maybe a test rig Rob or a spotting rifle. I really still am lost on this one. I'm hoping a chamber cast will shed some extra light on it. It looks like an intermediate 8 mm round but definitely not 7.92 X 33. It was acquired in a HUGE collection of guns and parts from ,a now deceased collector. There was some pretty weird and rare firearms in this collection, so nothing will surprise me about this one if and when it can be I.D.'d.
Allan
 
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