This is a factory replacement bolt head retaining pin. It is built to the same specifications and made of the same materials as the original part. Partial or complete disassembly is required for proper installation.
All current and Post 1999 model Savages utilize a firing pin with a .100" diameter firing pin body. Earlier model 110-116 series utilized a large firing pin body .150". Savage has discontinued the larger diameter firing pin and bolt head.