I can't help you with 30, 39 or 40gr bullets but here is my load for a Berger 35gr. in a Savage SS BGTV w/26" factory varmint barrel.

Win. brass w/35gr Berger on top of 28.3gr of IMR 4895 w/Rem 7.5 primer.
OAL to Ogive 1.948, ,0025 jump, .0015 neck tension, 3,844 avg. FPS