All normal. The bulge is suppose to be there. The bite out of the rail is a witness mark used when the metal is encapsulated in the polymer.
The slide dropping it ok too.
That little rail is a solid piece and it's what does all the work. Your good to go.
In Memory of Paul "Dietrich" Stines.
Dad: Say something nice to your cousin Shirley
Dietrich: For a fat girl you sure don't sweat much.
Cue sound of Head slap.
RIP Muggsy & TMan
"If you are a warrior legally authorized to carry a weapon and you step outside without that weapon, then you become a sheep, pretending that JOCKO will not come today."