For customers in USA:Vector Optics have own warehouse in Utah, USA. Utah warehouse has most of our items.So if the customers choose “ships from USA”, our Utah warehouse will ship by USPS for free. The duration of USPS delivery is about 3-5 days.The following qualifications also apply this option：#1 If buy our other VE riflescopes (order price more than $350) #2 If the items are out of stock in USA warehouse.We will ship from our Shanghai warehouse in CHN by Express for free.The duration of Express delivery is about 3-7 days. And no tax fee.If your order don’t belong to the states above, please choose “Ships From CHN” and afford the express fee. We will ship from our Shanghai warehouse in CHN by Express (Fedex or DHL) .The duration of Express delivery is about 3-7 days. And no tax fee.Thanks for your understanding!