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MondayWhen did wearthby chamber this
I put a after market brake on my backcountry carbon 300 wbyYou'll probably have to call them, everything on the site says not available. Or find a rep. Maybe one at the Sturgis Gunfest has a line on them. The round looks awesome but I can't imagine that magnum load out of that 5.8lb Backcountry Mark V, probably packs a punch.