Too, if an upper screw is present, the upper would be an overhanging scear coupled with a typical lower(Sicherheitsfangstangen??) intercepting scear? But come to find out, many times this arrangement, like a sidelock, if faked to give an appearance of an upper rung offering.

[Linked Image from img.photobucket.com]
[Linked Image from img.photobucket.com]


https://www.doublegunshop.com/forums/ubbthreads.php?ubb=showflat&Number=128247&page=1

Too, one can see the automatic safety.

https://www.facebook.com/photo.php?...5.282264291796980&type=1&theater

https://www.doublegunshop.com/forum...p;Words=scear&Search=true#Post337501



Serbus,

Raimey
rse