I don't have that model. I have the pistol version that I SBR'ed. I shoot it in Steel Challenge matches and it's been flawless. I've probably shot close to 4 thousand rounds through it. I have a friend that got the same model you are looking at and he also shoots it in Steel Challlenge matches and so far his has been flawless.
I did put a HBI trigger in mine and I also changed the right side selector switch to an HBI AK47 style lever (took the picture before I switched it out). I now use only the right side selector switch as it's much easier for me to use than the left side switch. If you are right handed you'll find that stock right side selector switch will most likely eat at your hand.
Go for it!