Y1115 .58 Internally Cup Primed (Benet) Cartridge "Button Head"
Description: Here is a nice internally primed cartridge. This is a variant of the cup primed or Benet primed cartridge. This style is known as the "button head" due to the appearance of the raised center. This was designed to prevent cracking of the casing on the head.
Measures: OAL 1.718" CL 1.227"