I just bought a Conquest 88/4500 a few weeks ago. It has a Carleton fiber-wrapped bottle (NOT a Max Attack labeled unit). As far as 5 years on the hydro testing, I thought that was only for certain Luxfer manufactured bottles?
E-Mag ~ Warp, 88/3000 Flatline
AutoMag Classic P/F H/L
GenX 3 'Cocker ~ 68/4500 Conquest (my Son's gun)
Spyder TL+ LP, eLCD, PE 88/3000