Evolution Cocker- everything thinkable is upgraded
Pewter Dark Angel - cobra trigger, DEZign bolt, pewter annoed freak
High flow rate, consistant, the design is simple (which is always a plus)
Nothing much here, just as long as you screw in the gladiator while holding the bottom endcap so that it doesnt get so hard on there you have to use plyers to get the reg off (read the directions on the macdev site, it says to hold the end cap)
Mine didnt create a perfect seal with my asa it leaked a little.. which was proably my fault, I put a o-ring in there and it worked like a charm
One of the best regs IMO, if you have any problems, they take a while to answer questions, but they do a good job when they do.