Hi all,
I picked up a m3k on a black friday sale and stripped totally to file the extractor channel, clean, relube, install a nordic extension.
Finally had a chance to get out and function test it today. Ran 75 assorted challenger, dominion and score shells with no failures at all.
Seems to feed awesome, and I really like it. Now I have to get grinding on the loading port a bit.
I usually run a magfed Derya MK12 (VR 80), but always wanted to try this type of shotty.
Thanks to everyone for all the great info in this thread!
John from the cold Canadian north