Check the listing for details. CCOP Thompson Center Encore 1 Piece Standard Steel Base Mount Set SB-TMS001. Condition: New. Listed at 29.74 USD. CCOP USA Rifle Scope 1 Piece Steel Base Mount for Thompson Center Encore SB-TMS001 Material: Steel Length(mm): 85.73 Radius(mm): 12.7 Height(mm): 6.6 Screws per Unit: 4 Usage for: Thompson Center Encore Precision machined from bars of solid steel, each exquisitely styled Perfectly suited to the task at hand Strong enough to take the recoil of any caliber Includes torx screws and wrench for no-strip easy installation We only accept PayPal. PAYMENT IS EXPECTED WITHIN 3 DAYS OF END OF PURCHASE. We will not ship until payment has been received and cleared. California residents are subject to sales tax. FREE USPS Shipping We offer FREE USPS shipping and handling within the 48 continental US states. Most orders leave our CA-based warehouse within 1-3 business day of receiving payment. All packages are insured for the full amount of your purchase. ALL orders over $200 will require a signature confirmation upon delivery. If you know that no one will be available to sign for your package at your shipping address, please email us to make alternate delivery arrangements. Within 7 days of shipment, you may return any item in brand new condition for a refund. Items must be returned in original packaging with all warranty cards, manuals and accessories. We will not accept returns of opened items (unless defective) or any items returned more than 7 days after shipment. If it has been more than 7 days and the item is defective, we ask that you please contact the manufacturer directly and inquire about the warranty details for the product. In certain circumstances some defective products will require repair/replacement by the manufacturer directly and we will be unable to assist in this exchange. In these cases we will notify you of the situation and provide contact information so you can contact the manufacturer directly.