The March 1.5-15X42 SFP has 6 reticles available: 3 MOA : MTR-3, MTR-4, MTR-5; and 3 MIL: FD-1, FD-2, MML. As you point out, they are all subtending on 10X. I would suggest you contact March through the website, and specify which reticle you would like to see based on 15X. At least tell them...