Speer's web data for 120 gold dots start at 25.7 for Win 748. A chronograph will aid in keeping to safe levels. Primer selection also will play it's part. This link is quite good for grading primers from mild to hot.
http://www.sksboards.com/smf/index.php?topic=56422.0
My limited data for Ruger Rap: Lapua 1x fired case, Fed 210 primer, Win 748 28.5, 2.270, Sierra 120MK 2460 1.285
Disclaimer: Data for a bolt action, work up from reputable load data, etc. Don't use Fed 210 for auto loaders with floating firing pins.
http://www.sksboards.com/smf/index.php?topic=56422.0
My limited data for Ruger Rap: Lapua 1x fired case, Fed 210 primer, Win 748 28.5, 2.270, Sierra 120MK 2460 1.285
Disclaimer: Data for a bolt action, work up from reputable load data, etc. Don't use Fed 210 for auto loaders with floating firing pins.