[Punisher]

I am a nineteen year old hunter and i need hep. i was dumb(as in last year) and i put tactical grips on my 870. This year i removed them and i am trying to reassemble it correctly. The problem is i can reassemble it in the right fashion, but when i insert the barrel the slide will NOT lock into the closed position. So the hammer is cocked, every thing is where is should and it just rakes and rakes. I am stupid

 

[MikeG]

Bolt facing the right direction?  That's all I can think of.  Any leftover parts?  Sounds like the bolt is not locking up in the barrel extension.