Winchester NATO-Spec Army Primers 41 are the exact same primers used in the Lake City five.56mm ammunition. These primers are developed to exacting specs for shot to shot consistency. All primers are consistently and rigorously examined for consistency and sensitivity at temperatures and problems significantly outside of the number of normal use. W

SIG SAUER ingredient situations (22-250 brass) are produced from high quality American brass. These casings are rigorously analyzed to make sure 22 250 brass unparalleled sturdiness and dependability. Just about every casing undergoes many in-line and postproduction good quality assurance screening, to be certain 22-250 brass a flawless reloading