Not much to the ejector, it's pretty much fixed. I see no benefit to polishing it. It either kicks the brass out or it don't. I don't have any numbers or specs per se but if it was too short I suppose it wouldn't work properly.
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."