I have an HK SP5, I have PEQ 14s & 15s, Elcan SU-230s, Colt US Property marked M4A1 lower, a 16" Remington RGP with the rare Remington Defense ambi lower, and FDE Sig 716 Gen 2 DMR in .308.
I also have a MH25 iRay with PVS14 eyepiece, maybe an hour of use.