Thats all inside the starter?Maybe the solenoid-plunger, or shaft the starter-clutch rides on is just dirty.
On the oem starter, yes. But they have a tin cover that you can pop off and have a peek-a-boo. In the pic below, find the item labeled "moveable core". This gem is a slug of metal that occasionally sticks in it's bore, and the return spring cannot return it, usually from dried up grease, that was never supposed to be in there in the first place,but;Thats all inside the starter?