If we are listing injuries from weapons I can list plenty.
When shooting a Walther G22 bullpup .22 rifle, my dad assembled it in the left-handed configuration because it can be assembled both ways, and after the difficulty it gave it him assembling (it's worse than a bb gun) he finally got it together this way. Because the left-handed configuration has the bolt on the left side of the stock, when I shouldered it to fire, the bolt hit my chin, gashed it open and felt like a punch. Even when he put it back to right handed configuration I shot it with one hand, extended away from my face. Still have the scar.
When I was loading an Automag Mark V .50 AE, the decocking lever was down and the slide was locked back. I released the slide and the level gashed the back of my thumb open. Plus when I shot it the rear sight screw blew off and cut my forehead. That gun must have hated me.
Shooting my dad's Sweet 16 Browning A5 with a scope, I rested it wrong because my winter jacket was too heavy to realise, and when I fired, it slipped and the scope hit me between the eyes. Common injury apparantly.
Oh, and countless hammer bites from old M1911s and slide bites from Walther PPKs.
