I'd like to get about 5 of the SAR5 - one to keep as it is, as I love that no guard, no choil design, shared with the vex.

The other 4 I'd like to use as starting points for modding. Change slabs, grind the blade down, do all kinds of crazy stuff. The fact that it doesn't have a huge choil carved out of it gives you a lot of flexibility to mod it.