User blog comment:Mckrongs/Monster Hunter Frontier Season Forward 3/@comment-69.140.237.23-20120310204052/@comment-969093-20120310212436

One of the definitions of SR is skill rank. It refers to the rank of skill you have with a weapon type. Attaining certains SRs will grant you bonuses such as a fixed affinity boost and losing the handicaps when using low SR weapons in high-end quests. Handicaps like defense -95%.