New Blaser F3 Vantage Barrel Only. 410 Bore 32″ fixed ramped rib barrel with full set of Five factory Spectrum choke tubes. Comes with one set of barrel weights. No fitting required, will just drop in on all updated F3 sporters. This barrel is located at our NEW Michigan location at 8585 PGA Drive, Suite 104. Walled Lake, MI 48390. 248-960-7262.