Well, guess I'll post some more pics from the same museum trip... Behold, a 17th century matchlock with a skeletonized stock. Similarity to PKM purely coincidental...

>>64021086
There's at least one more with a heart-shaped bore in the same collection, plus some other shapes.

>>64021085
No, anon. Too loose. I have a very small dick, that's why I like guns.