Use promocode SAVE10 to save $10 off your purchase of $100 or more going on 4/24/23-4/28/23!
The E-10 fits all Vortex Riflescopes except the 1-inch tube Viper model VPR-M-01BDC, VPR-M-04BDC, VPR-M-03BDC and Viper HS 4-16x44 model VHS-4305 and VHS-4304.
Outside diameter: 41.5-46 mm | 1.6-1.8 inches