Weaver Muzzleloader Base Traditions In-Line/CVA Round. OpticsPlanet Inc is an Authorized US Distributor for Weaver Rifle Scope Mounts Rings Bases. Muzzleloader Bases For more than 75 years Weaver has been keeping scopes on firearms and hunters on target. 100percent rugged service 100percent of the time. And this unwavering dedication to preserving both your optics and your hunt is now available for muzzleloaders. Weaver Muzzleloader Bases is available with the following options: Weaver 48522: Weaver Mount SystemKnight MK-85BK-92 Bases Weaver 48520: Weaver Mt SystemTC Encore/Omega Bases Weaver 48521: Weaver Mt SystemTraditions In Line/CVA Round Bases Specifications for Weaver Muzzleloader Bases: Manufacturer: Weaver Color: Black Package Contents: Weaver Muzzleloader Bases We offer complete line of Weaver Rifle Scope Mounts Rings Bases. For our complete selection of products by Weaver on sale please visit our Weaver page. For more Rifle Scope Mounts Rings Bases please visit our Rifle Scope Mounts Rings Bases store section. Weaver Muzzleloader Base Traditions In-Line/CVA Round 48521