ECHO RV50-LRF THRML RIFLESCOPE SOEC32310 | 2.5-20X50MM Manufacturer Model Number: SOEC32310 Manufacturer: SIG SAUER Model: Echo RV50 Thermal Riflescope Type: Accessory-Scopes Item Type: Optic Finish: Matte Black Overall Length: 15" Weight: 34.9 oz. Shipping Weight: 5.45 Feature: 640x512 Core Feature: BDX 2.0 Enabled Optic Magnification: 2.5X - 20X Optic Maintube: 30mm Objective Size: 50MM Optic Adjustable Objective: false Optic Reticle Illuminated: false