A ADIDAS69 New member May 7, 2015 #1 caliber = 223 remington barrel = 26" twist = 1-12 bullet = 53 grn sierra match king need suggestions for best powder to get best use of the barrel length.
caliber = 223 remington barrel = 26" twist = 1-12 bullet = 53 grn sierra match king need suggestions for best powder to get best use of the barrel length.
