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Bolt ID help needed

oldwing

oldwing

Member
I ran across this bolt many years ago and have been unable to identify it. I feel it is pre-war German but no evidence. No proofs. It has no markings at all, there possibly could be a “4” on the bolt face but I’m not able to get a photo of that. It could easily be a scratch .
It seems to fit a .22lr ( but tightly) but my limited research on the 4 mm trainers indicate a similar rim diameter on at least some of the 4mm trainer cartridges.
I’ve went through Simpson’s book and although there are some similarities with some of the 4mm trainers there are not enough details of the bolts to match it to a particular rifle.
Does anyone recognize this bolt? Were the 4mm trainers bolts proofed? Thanks
 

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Muncher 1953, thanks, Yes, not an el24 bolt, I cannot find any info on the singleshot ERMA unit but I would guess it uses the same bolt as the el24. El24 bolt is on the left. The search continues
 

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May never know what rifle it fits but …
Some observations of the bolt lead me to think the receiver of the rifle would have a split bridge with the bolt handle slot being at the very top of the receiver …
The receiver would have a bolt stop on the left side with a large button fitting the retaining groove to retain the bolt.( maybe as a Walther Sportsmodel has?)…
Ejector would be centrally located in the bottom of the action or loading tray. …
Loading port would be in the top of the receiver…
The bolt shows to be very well made with nice polishing and finish. I realize many models were made so just hoping someone here has ran across one. May not be German but the features lead me to think that.IMG_1793.jpegIMG_1792.jpeg
 
You can rule out the Single shot EL Erma as that has a round front that is different than the EL24, but similar.

As you mentioned, this would have a split rear bridge, and the front cut would be enclosed, though apparently squared off. Somewhat like a 625/317 design.
 
I appreciate the feedback, and thanks to Eurydice for posting and linking on the tircollections board.
Sorry for the bold type, I can not change to normal type.
 
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