A reg is really not needed. I have a reg. on my RT and all it does is act like a gas thru foregrip. If you want a reg, go ahead and get it, but vigi's look really cool. Just make sure the pressure isn't set too low.
TEAM HEADS UP,
Silver M98 RT,J&J Ceramic, Lapco Bigshot, Psyco Ballistics Drop Foreward,
Psyco Ballistics Rocket Cocker, Lapco Rear Velocity Adjuster,
Vertical Adapter, Vigilante Regulator, Low Pressure Chamber,
Polished Stock Barrel, 12 Volt Revoloution, 68ci 3000psi Nitro Duck, 20oz. co2