Mossberg 590 not picking up/chambering shells

[Dragline45]

Just picked up a brand new mossberg 590 and its not picking up the shells or chambering them. If I load all 6 it will pick up and chamber the first three, but the last three stay in the mag tube, and then when I bring the slide back forward the shells do pop out and then fall out the bottom of the shotgun. This is my third Mossberg and i have never seen this at all

 

[Roughedge]

did you clean it before shooting? sound like the cartridge stop is hanging up.

 

[Dragline45]

Haven't shot it yet, but I cleaned and lubed it right when I got it home.

 

[Blindstitch]

Sounds like mossbergs problem if it is actually new or under warranty. They're usually pretty quick to fix.

 

[4V50 Gary]

Sounds like one of the shell stops is not releasing a shell for the shell carrier.

 

[Roughedge]

I've had to shorten the shell stop on a few but if you're not a gunsmith I'd send it back.