Agree with what was said above. I'd give the NXS 3.5-15x50 consideration. I have 3 of them on hunting rifles and a AR. The 2.5-10 is a great scope but for nearly same weight and price, i prefer the extra power of the 3-15.
Looking at a 2.5-10x42 nsx vs the mk6 3-18 for a scar 17 in a dmr /spr role.