Sinister / 14 Oz. / New Drop Forward and Expansion Chamber.
Stock barrel is pretty good, but if you want , get a new one.
Accuracy /Not to Loud/ Vertical and power feeds/ Nice Design and looks
Brightness, try to get black.
Overall itis a very good gun. Wont have many problems. Forget what you hear about all the ballbreaks in this gun. Theres harldy any. This gun will defenitly last you. And f*ck you to whoever said friggin burn the gun. I highly reccomend this gun to any hardcore paintball player.
Get it. Overall a great gun. It caught my attention very quit and I use it till this day. Sweet gun.