Laaaame
your spas 12 has no room for the user to prep a shell for firing (hard to explain)
I think it's the part of the gun that you rooster.
Well I was going off of a google search image so proportioning is gonna be weird.Please try your best to explain :v
Ah, I'll work on it a bit more thennever seen a spas-12 irl so it was kinda hard to go off of one image
I checked out an image of a SPAS and it seems like the part-of-the-gun-you-rooster goes back over the base, so I think you drew it right. That's why it has a slight curve.