Things I liked:I will start off by saying that I am very biased towards the TAR 21 rifle. I love the gun and when the S&T armament TAR 21 came out, I was thrilled I wouldn't have to pay $400+ dollars for the Ares. Now on to the things I like. There are some really neat aspects to this gun: the fact that it takes M4 magazines, but isn't an M4, the incredible light weight, the bolt release also relieves tension on the main spring, the fps is respectable and last but not least, the rate of fire is insane with a 9.6 volt nunchuck battery. Things I would have changed:There are only a few things I would change, there is a quick change spring feature, but the piston doesn't seem to be up for any greater pressures that would be caused by an upgraded spring, for the price, this should be better than it is. The accuracy is not even close to fantastic, however, the gun is designed for close quarters, and the volume of fire more than makes up for the inaccuracy of it. What others should know:I bought this gun during the introductory sale period for $99 and I do not regret this purchase. I wish the body was sturdier, I wish the rail was sturdier, but overall, if you like this gun I would definitely suggest it, even at the current price.