Federal Premium Adjusting Valkyrie Sierra MatchKing Loads
A dedicated TFB reader sent in a notice about Federal Premium’s .224 Valkyrie Sierra MatchKing apparently undergoing some adjustments. According to a letter issued recently, Federal suggests using three alternative loads while they fine tune the 90-grain Sierra MatchKing flagship. A brief discussion with a firearms manufacturer involved in the initial Valkyrie development said that […]
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Source:: The Firearm Blog