SMARTCLIP ADAPTER 49MM Manufacturer Model Number: 626634 Manufacturer: Burris Optics Model: BTC Objective Adapter Type: Accessory-Rings/Mounts/Bases Item Type: Accessory Finish: Black Shipping Weight: 0.4 Feature: BTC Thermal Clip-On Mount Feature: Fits 49mm Objectives Optic Adjustable Objective: false Optic Reticle Illuminated: false