this post was submitted on 30 Sep 2025
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It's possible your scaling was off, try this one out https://guncadindex.com/detail/M12-G43-Baseplate:a
It's the only g43 backplate I could find. This would be a starting position, the size of the backplate and the position of the circular indent on the inside face both need to cooperate for that firing pin sleeve to line up and lock in.
Thank you. You were correct and I suppose my hunch was pretty accurate. The indentation I made was too small in diameter. I updated the model and I’m printing it again right now. Thank you very much for this reference.
No problem! Lemme know how it works :)
also that is a baseplate lol, but the changes I made to my model seemed to have fixed it for the most part.
Awesome! Yeah that was the only 43 backplate I saw that didn't have an autosear >_<