Rifle Scopes Question: Seekins height for HDMR

craigp40

Sergeant
Full Member
Minuteman
Mar 31, 2005
287
26
SW PA
I need a set of 34mm rings for a Bushnell ERS 3.5-21 that I just got. Going with Seekins, but need feedback on the height. Assuming MTU contour barrel on a Win SA using a 20 MOA rail and Butler caps, will the Low rings allow me to clear the barrel? Or will Mediums be necessary?