I just got my new 870 last week. Took it out of box yesterday and disassembled to clean packing grease and to lube. Got it apart no problem. Start putting It together and I press the little detente or shell holders on each side of receiver, slide action bars in with the bolt and bolt carrier sitting on bars. I can get it started in an inch or so past the detent tabs and then it feels like it's binding up?
And the action bars won't go back Into the receiver plus the bolt and carrier seem to just flop around in there?? Are those bars suppose to ride in a groove?
I have taken machine guns, grenade launchers, pistols, rifles and who knows what all apart while in military, this one has me stumped?