Optics  30mm Seekins Rings

asus611

Private
PX Member
Minuteman
Feb 12, 2014
188
37
Orange County, CA
The height from the top of the picatinny rail to the center of the tube ring is 1.4". With a 30mm diameter tube you would subtract 15mm, or half the diameter from 1.4", yielding a height to bottom of the ring height of 20.56mm or 0.809 inches