WINCHESTER 231 - WILL NOT BE REACH COMPLIANT JUNE 2018

Add to cart
  • Description

Supreme 780 is a magnum, sphereical powder that is used in many of Winchester's factory cartridges. To name a few, it is loaded in 243 Winchester, 270 Winchester, and 300 Winchester Magnum. Smooth metering, excellent accuracy and top velocities make this the premier medium to magnum spherical powder for reloading.