RCBS Universal Press Type Shell Holder #4 (7MM Remington Magnum, 300 Winchester Magnum, 338 Winchester Magnum) Cartridge_6.5 X 57 Mauser This is critical

This is critical

Designed for the Lock-N-Load® AP™ but will work in any progressive press that uses 7/8"–14 threads

Will not slip

peel or break

The BTLF can safely be used in all lead-free zones or shooting ranges that require non-magnetic bullets

RCBS Universal Press Type Shell Holder #4 (7MM Remington Magnum, 300 Winchester Magnum, 338 Winchester Magnum) Cartridge_6.5 X 57 Mauser This is criticalRCBS Universal shell holders are produced from hardened steel and designed to properly align the case with the reloading die in single stage and turret presses. Theyre sized to fit specific case heads and capture 0. 125 inch of the case head for proper SAAMI headspace. And they are numbered for easy identification.