• Weaver 418M Top Mount Base
• 2 Piece Base Set Used On:
• CVA Muzzleloaders w/ Round Receivers (post '96 models) 
• Traditions In-Line Muzzleloaders (round receivers)
• Winchester X-150 Muzzleloader
• Apex 209
• Machined To Tight Tolerances For A Custom Fit
• Offer The Rock Solid Weaver Cross-Lock Design To Fit A Variety Of Rings
• Weaver Style
• Matte
• Made In The USA
• 'Each Weaver base is machined to the tightest tolerances to maximize base to receiver fit. These aluminum bases were engineered to offer maximum strength to ensure your rings are mounted securely to your rifle for that shot of a lifetime.'
• Part #: 48435
• Upc #: 076683484352
• Choose Between USPS Ground & Priority Mail Options