HSM Ammunition Starline Rifle Brass Unprimed Cases 500 S&W Mag Caliber, Handgun Brass, 50 Per Bag, 500SWEUP50

"HSM Ammunition Starline Rifle Brass Unprimed Cases 500 S&W Mag Caliber, Handgun Brass, 50 Per Bag, 500SWEUP50. On July 28 2003 Smith & Wesson and Cor-bon changed specification of primer pocket to be large rifle. Rifle primers are same diameter as pistol except they are approximately .006 taller.