Hi all. I have been a long time lurker of this forum and love all the info there is. I have a few questions I was hoping someone could help me with. Recently bought a 270 wsm Sako Tecomate and am beginning my handloading quest as well. I have been around reloading for quite some time but finally got all the equipment so I can learn the craft. First question is. I bought the rock chucker supreme kit from RCBS which came with the Speer reloading manual which at this point is all I have. I purchased some 140 gr accubonds and some Some sierra gameking 130 gr to start dabbling with. I guess my question is can I use the reloading data for similar boat tail/ same grain bullet data from the speer manual even though the bullet is made by sierra or do I need the ACTUAL manual from every manufacturer that I plan on using. May be a dumb question but taking this endeavor on with SAFETY as my number one priority and didn't want to assume anything. Thanks so much in advance. I'll wait for my other questions.