Done did it, works great ;-)
*Tikka T3 SS .300 WSM
*McM R700 A-hole stock filled and re-inletted for T3
*Benchmark SS #5 contour barrel, 26" long
*Mini muscle brake
*Atlasworxs Tikka T3 DBM
*Alpha mag type 2, feed lips tweaked for SAUM
*March 5-40 FFP glass
Likely going to change out...