Just today I ordered 2 MKIII mags and the mag loader assisting device (come as a pair). I have ordered many things for my 10/22 and MKIII from them, and wouldn't hesitate in the future. Great company to deal with, and huge props for the free shipping to Canada.
At least I can pretend, for a few minutes, that I'm a US citizen shopping on the internet where free shipping is commonplace.
The shipping charges and border issues we face in ordering firearms parts and accessories is getting to be a real sore-point with me. I'm hoping we will one day see an improvement, especially on the part of the US's ASININE export rules.