Weaver Optics Top Mount One-Piece Bases

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Weaver Optics scope bases are machined for tight tolerances and custom fit to your rifle.  To ensure the proper fit consult the Weaver Optics base chart.

Click Here for the Weaver Optics Base Chart

Base Number

  • 401 - 48109 Gloss finish*
  • 410 - 48513 Gloss finish
  • 416M - 48434 Matte finish
  • 417M - 48440 Matte finish
  • 423M - 48443 Matte finish
  • 62 - 48062 Gloss finish
  • 63B - 48069 Gloss finish
  • 93 - 48093 Gloss finish
  • 93A - 48506 Matte finish*

*Depending on your firearm some modifications of either the base, screws, or firearm may be required.  Each base is designed for specific models of firearms regardless of these modifications.  Consult the Weaver Optics base chart to confirm which base number you require as well as any potential modification required.  We recommend for any modification required get a licensed gunsmith to do the work.

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