RCBS .300 Norma Mag Neck Sizer

.300 Norma Mag Neck Sizer by RCBS now offers the .300 Norma Mag. These dies are used specifically for sizing the neck of the case and Expanding/Decapping. The Neck Sizing die will not adjust the shoulder or case body. This type of sizing is normally reserved for bolt action guns as semi-autos require full length sizing. The Sizing die will also remove the expended primer and ready the case for reloading. Standard 7/8" 14TPI Sizes Neck Only Removes Primer