Start of lstUrls_of_images_in_html_descriptionProduct Number: WEAVER1PCWeaver 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 ChartBase Number401 – 48109 Gloss finish*29, 629, 625, 686 & L K & N FRAME RVLRS (FACTORY DRILLED)429M – 48454 Matte Finish Remington 870410 – 48513 Gloss finishENCORE, OMEGA, TRIUMPH, IMPACT416M – 48434 Matte finish417M – 48440 Matte finish500 (1997 ) 590, 535 & 835 SHOTGUNS423M – 48443 Matte finishNOVA 12 GA SHOTGUN62 – 48062 Gloss finishDEERSLAYER 37 & 87 (12, 16, 20 GA.63B – 48069 Gloss finish45, 30AS, 336 (ALL MODELS), 444, 1893, 1894, 1895, CAMP 9, 922M, 989, .22 AUTO93 – 48093 Gloss finish4, 6, 74, 76, 7400, 7600, 75093A – 48506 Matte finish*SUPER BLACK EAGLE, SUPER BLACK EAGLE II, SUPER NOVA, SUPER VINCI, M1 & M2 FIELD GUNS*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.End of lstUrls_of_images_in_html_description