AvidFlyer
(.224 member)
16/12/22 12:58 PM
Re: Joh Springer double rifle questions

Quote:

Quote:

Interesting gun with lots of photos, but no bore shots.
What are the bores & sights like?
11.5mm makes me think maybe a bore size, not a groove diameter, or was .4528" (11.5mm) a common Euro calibre, back then?




Perhaps one of the Euro/German members will chime in?

Add another source:
https://naboje.org/en/node/4254

Sorting thru the closely relevant 11.6 cartridges the bullet weights are variously 20.4-21.5 grams which is 313-331 grains




3dog thanks for the link! Who knew there were so many options 😮. I added some more links with pictures to cast of my Cerosafe chamber cast with measurements hopefully that will be adequate to figure it out I am thinking I should be able to use standard 458 diameter cast bullets around 3-350 from what you guys have side and what I have read

Thanks again

james



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