As mentioned, Sako Optilock bases and Low mount rings, or the new style Optilock RINGMOUNTS in low.
I have either of the 2 setups on all my Sako m75 and Tikka T3 rifles-with Leupold VX2/VX3 40mm scopes-lots of room for a 44mm.
Last edited by MightyPeace; 07/02/09.