Troy Di-Optic vs Regular

[Freebird]

Hey, i'm trying to decide on ironsights for my new 16" middy. I have narrowed it down to two options, the Troy folding Di-optic, and the Troy regular folding battlesight.

Does anyone have any input on the subject? The Di-optic seems like it would be easier to center, but I would like info from people with a bit more experience. Thanks!

Edit: If anyone has input on whether they prefer the M4 style or HK style i'd appreciate it also.

[fcr]

Di-Optic has faster aquisition of target for me. I have both also. I will only put Di-Optic n further builds.

[tvfreakarms]

Or get the diamond head