Lube-A-Matic Sizer Die .309 Diameter by RCBS RELOADING PRODUCTSThis RCBS Lube-A-Matic sizer die is for use with the RCBS Lube-A-Matic and Lube-A-Matic 2 presses and and also works with the Lyman 450 and 4500 Lube Sizer presses. Also helps crimp in the gas check on bullet that require a gas check and as well as lubricating.
