1 Piece Handgun Base - DD T/C-CManufacture ID: 53556Leupold Handgun mounts are designed specifically to withstand the crushing recoil of today's powerful handguns. Specifications:- Fits: Thompson Center Contender- Base Style: Dual Dovetail - Base Type: 1 Piece- Material: Steel- Finish: Gloss BlackWarranty: Full lifetime guarantee. If any product has defects in materials or workmanship, Leupold will, at their option, repair or replace it free. Even if you are not the original owner..