Caliber Gourmet Caffeine Assault Mug / 12 Gauge - CB. This Caliber Gourmet Mug Is The Perfect "defense" For Whatever Obstacles Your Day Decides To Throw At You. So Load Up Your 12 Gauge Caffeine Assault Mug With That Favorite Caffeine Packed Beverage You Love And Blast Through Your Day With Relative Ease. Package Contents: Caliber Gourmet Caffeine Assault 12 Gauge Mug The Caliber Gourmet Caffeine Assault 12 Gauge Mug is a quality addition to the Caliber Gourmet lineup. For more great deals on Cups & Mugs by Caliber Gourmet please browse our Caliber Gourmet Camping Gear page.