EoTech 552.XR308 Holographic Weapon Sight tandardized by the DEA, ATF, and FBI SWAT, the Model 552 is by far the most well liked HWS model. This NV compatible, AA battery model is the sight of choice by military units like Stryker Brigade, 10th Mountain, and 3rd Infantry. It is battle proven to resist the abuse that any harsh environment, high powered weapon platform, or military mission can dish out.Compatible with Gen I-IV Night Vision Systems (Tandem Operation)AA Battery model (supports Lithium and Alkaline)65 MOA ring/1 MOA dot reticleIncludes rugged aluminum hood assembly and knobbed, tool-less mounting boltInterfaces to 1″ Picatinny (MIL-STD-1913) or Weaver railShipping We offer competitive shipping rates with Free shipping on all orders $100 and up. We work with many shipping carriers such as UPS, Fedex , USPS, DHL and others to provide our customers with quick reliable delivery at the lowest conceivable cost. Our network of warehouses during the USA assist us process your orders quickly and reduce wait times for delivery. Shipping OptionsPlease see ‘Shipping and Payments’ tab above for shipping options and methods. Orders shipped the usage of our free shipping promotion are shipped standard delivery unless differently noted at time of order. Please allow 24 hour processing for all orders placed. Bulk orders requiring truck delivery may take longer to process.Returns We offer a 30 Day No Hassle Return Policy ! Not satisfied with part or all of you order just send it back within 30 days. Our goal is 100% satisfaction for our customers. We stand by the products we offer for sale. Processing a Return:To process a return we provide a simple online process within your ebay account or feel free to contact customer service at 888-382-7106.Contact Us Department Hours/Contact InformationDepartment: Customer SupportTelephone: 888-382-7106 (opt 2)Hours: 24 HoursDays: 7 DaysPayment We currently accept Paypal as our preferred method of payment.Paypal payments will have to be shipped to a confirmed address.All purchases want to be paid at time of purchasePlease allow 24-48 hours for order processing once payment is made.