It does look odd.
Could be that someone lost the front blade insert from the original.
It looks like something someone home made.
(Here hold my beer, and I'll fix it.)
"A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed."
Life Member NRA
Life Member NAHC
Former President of the ECPT (Eifel Combat Pistol Team)