leave magazine in the well. open slide---- it will stay open. clean bore with bore cleaner, then wipe out with clean patches. the bore is the first part to go bad, so clean it..............
In the slide
A gunsmith can help you.
Needs to be sent back to Glock
Yes, if it is functioning properly, the slide will stay open.
Take it to a gunsmith
Check the markings on the slide, frame and grips.
No
No
http://stevespages.com/page7b.htm - You can download a manual
Have a gunsmtih examine it.
Not likely.