Reptilia LLC 100184 ROF-90 34mm FDE 7075-T6 Aluminum Fits AR-15Introducing the Reptilia ROF 90 for ACRO MPS in 34mm. The ROF 90 is a drop in upgrade for the Reptilia AUS Mount or Geissele Super Precision 34mm magnified optic mounts. The ROF 90 was adds options for close in target engagement and passive aiming with night vision. The ROF 90 for a Aimpoint ACRO or Steiner MPS at 90 (12: 00) to add a close range optic to your magnified scope. Additionally, the ACRO or MPS can be zeroed for use with use with subsonic