I am looking to buy my second 5.56 (My first is of course a AR) and I am torn between 3 rifles a FS2000 (optic model), SL8-6, and a MSAR(optic Model). The FS and SL8 are both New and running right at $2000. However the MSAR has had around 300 rounds through it and comes with 5 42 round mags. It will be $1600. I was orginally looking for a bullpup with Optic but once I held the SL8 it felt amazing in the hands and plus the fact that it is more accurate than the other two rifles. What are the strengths and weaknesses of each rifle? I have never spent $2000 on a rifle and I dont want to blow it on a rifle that is junk.