Anyone have a clue to what markings I should look for? I don't see any of the common/typical markings such as M, I/C etc.
This is an older model believed to be between 1960-70's. The only thing I see that separates the barrel markings are as follows:
Top tube marks: 1,415 18,3 17,4
Bottom tube marks: 20,3 18,4 17,3
The other thing I notice is the top chamber has one star while the 2nd chamber has 2 stars.
This is an older model believed to be between 1960-70's. The only thing I see that separates the barrel markings are as follows:
Top tube marks: 1,415 18,3 17,4
Bottom tube marks: 20,3 18,4 17,3
The other thing I notice is the top chamber has one star while the 2nd chamber has 2 stars.


All I know is that the 3 of 4 boxes had the same FPS markings on the box. The 3rd round of shooting ended up shooting noticeably harder. Same shell size, pellet size etc. Maybe it was 1200fps/1290fps.
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