HELP, new barrel does not fit my grizzly

[JohnnyNitrous]

I bought a 12.5" Grizzly back in February and shot a couple hundred rounds through it and found a 1/2" crack in the muzzle end when I was going to clean it. I got sent a replacement barrel under warranty but it doesn't fit! the grooves cut in the barrel do not line up with the ejector/bolt properly. Is there a way for me to make this fit? Canada Ammo has offered for me to send it to them to "fit it to my gun", but I'm getting sick of mailing back and forth. Here is a picture the issue:

 

[bobbynewmark]

i just opened up the ejector notch with a steady hand and a file. I had to use a dremel and tapered stone to SLIGHTLY deepen the locking lug recess on the barrel to allow it to properly lock also. It was a Remington bbl.

 

[lil_juiced_coupe]

Why not just take them up on the offer, they would probably just replace the whole gun.

 

[JohnnyNitrous]

Why not just take them up on the offer, they would probably just replace the whole gun.

I may, although I'm not happy to have to send every Norinco I have bought to get fixed. Also I would have to remove all the parts I have added.