6.5mm Grendel AR Series Small Base Taper Crimp 2 Die Set by RCBS carries the 6.5mm Grendel AR Series Small Base Taper Crimp 2 Die Set from RCBS. The 6.5mm Grendel AR Series Small Base Taper Crimp 2 Die Set is useful for reloaders loading for semi-automatic and pump action and lever action rifles to help ensure that proper functioning. Small base sizing dies size brass to minimum specifications and help to ensure that cartridges will chamber every time. Due to the fact that this product sizes more than regular dies and it is crucial to have a sufficient amount of high quality lubricant to prevent stuck cases. Shellholder NOT included. Applies a roll crimp. Small base sizer dies are usually required for reloading ammunition to be used in automatic and semi-automatic and pump and slide and some lever-action rifles. These dies size the case somewhat smaller in diamter and also set the shoulder back slightly more than a Full-Length sizer die to ensure poper functioning in the actions of these rifles. 7/8"-14 Threads Includes: Small Base Sizer and Seater