Forgotten Weapons has photo of original Glock-manufactured thumb safety on a Glock 17. Glock did make some, but it was quickly abandoned. Glock re-introduced safety a few years ago for a government contract guns, but they were positioned above magazine release and was quickly abandoned again.
Also, check out the Folding 1911 shoulder stock
http://www.forgottenweapons.com/folding-1911-shoulder-stock/
From: Forgotten Weapons
