[airborne420]

My brand new Steyr S9's slide will lock to the rear while there are still rounds in the mag. The mag is properly seated and I'm not inadvertantly pushing it up while I fire, so I would appreciate any thought or help you could give me. Thanks to all.

 

[Howardk]

My Steyr M9 did the same thing at first. Try shooting it in for a while (300 or so rounds) and see if the problem goes away.