I've run the Metal Techs since I got in the front door and always been very happy with them. You'll find they have a very solid following out here as the guys who supply them are well in mix and take good care of BC Players.
When I was in a tight spot I had to get a bag of Matrix that are supposed to be awful for jamming and consistency and they worked OK Lately I've been on the BBBs and those have been working for me too in a variety of AEG/GBB formats.
I'm not at the laser boresight level of setup but I do like to shoot semi and hit what I'm aiming at from the first go.
What about Postil or Kamloops games Z-69, are you hitting those up?
Airsoft, where nothing is hurt but feelings.