hey my brother got his kirenex the other day. the spring in it is clearly worn out as it appears that its previous owners did not know what they were doing judging by all the random .12 g bbs in the box
so i was looking at a phx 120 m/s spring and i was wondering if that brand was any good cuz i never head of them before.
http://cgi.ebay.com/PHX-120-M-S-AEG-...742.m153.l1262
i was also looking at a pdi 170. not sure what would be better
hes looking for one that will give his gun fps in the 380 to 400 range