I tend to agree after owning a pmr you have made a very wise choiceIgnore this post ,not only can he not read ,his judgment is flawed (to say the least)
like the guys say if you get problems with it dont panic check out the stickys on www.pbnation.com about how to look after your pmr and matrix owners but forgot the webby
keep the bolt well lubed and you cant go wrong any major problems give dye and call and they will sort you out asap
only upgrades i would put on are a mettle backcap and maybe a trigger if you dont geton with the current one but know plenty of people who like it
rest of your gear is all well picked out but if you ever need to upgrade your hopper or want a change allways lots on here 2nd hand
the mask well beanbag swears by jt masks not for me but lots of people love them
since your in manc if you want to play tornyball or supair pop over to the nQ uncertain where it is try not to go to far north but give luke c or lovetown a pm think thats the right names
as for firing of paint before you use it dont worry about it since you will do that when you play most regulators just have a break in period but most of the time they are fine from the word go