Originally Posted by StrikeFreedom
i was thinking of upgrading to madbull 510mm barrel for my ics m4 (from 370mm), but i also see people mentioning the guarder clear hopup rubber. are these two items easy to upgrade? worth the $?
Gaurder clear hop-up rubbers are very good IMO, they are all I use in my guns.
Mad-bull barrels are okay, but your money is better spent on a higher quality barrel, not a longer one. Ideally, buy a Prometheus barrel, second IMO would be systema.