I am in the middle of a situation like this one mentioned. There is a certian gun dealer in BC that is demanding that in order for them to honor what is an obvious waranty claim on a Poly M305 that was purchased last June with a 1 year "local warranty" (a mis-aligned and in-properly bored gas cylinder which may be because they screwed up the flash supressors guid marks?) due to us not being able to produce the recipt!? They have had a piss poor attitude on the phone during every conversation but even though We have the cc statement and even the serial # and date of which they have to record on their end so that they have record of the sale anyway, but they are claiming 'no recipt (misplaced during a recient move to a new house), no warrenty". I have been told that they will address our repair in the new year (they have had the gun for 5 weeks now), If i dont get some proper customer service with this one, you can be assured I will be letting everyone know who this is and that they see as little future business from CGN users as possible.
Why buy a not so well built M-305..,for a third of the price of an M1A I'll take my chances. As far as standing behind their product people just need to insist on the retailer following the law of the land. I would guess that all provinces have similar laws. In Ontario if you sell me something it has to work as intended or we understood it was as is. If it doesn't work as intended you should insist on an exchange for another or your money back. Store policies mean nothing if they are contrary to the law. That said I haven't heard of any retailer refusing to act within the law when push comes to shove re M-305's.
As far as the mag goes, one of the my mags is a bit fatter than the rest. I have one that needs to be pushed out from the top half the time. It use to need to be pushed all the time but I gave it a slight squeeze in the vice and it's better now. If your going to give that a try I'd be careful. It's not as simple as squashing it to what you think it needs as it will rebound to pretty much it's original shape after you release it from the vice. I just gave it a little squeeze, tried it and then a little more till it was better. I didn't get it to the ease of operation of my other two mags but it is better. I was nervous I'd cross some threshold and the mag would squash too far to feed properly.