Orders for firearms must be made separately from orders for all other items since firearms must be shipped to an FFL Dealer instead of your house. Continue shopping “ZF-5 / MP5 9mm Rear Diopter Sight Drum” has been added to your cart. Remove item Thumbnail image Product Price Quantity Subtotal ZF-5 / MP5 9mm Rear Diopter Sight Drum $35.96 ZF-5 / MP5 9mm Rear Diopter Sight Drum quantity $35.96 Coupon: Apply coupon Update cart Cart totals Subtotal $35.96 Shipping Enter your address to view shipping options. Calculate shipping Country / region: Select a country / region… United States (US) State / County: Select an option… AlabamaAlaskaArizonaArkansasCaliforniaColoradoConnecticutDelawareDistrict Of ColumbiaFloridaGeorgiaHawaiiIdahoIllinoisIndianaIowaKansasKentuckyLouisianaMaineMarylandMassachusettsMichiganMinnesotaMississippiMissouriMontanaNebraskaNevadaNew HampshireNew JerseyNew MexicoNew YorkNorth CarolinaNorth DakotaOhioOklahomaOregonPennsylvaniaRhode IslandSouth CarolinaSouth DakotaTennesseeTexasUtahVermontVirginiaWashingtonWest VirginiaWisconsinWyomingArmed Forces (AA)Armed Forces (AE)Armed Forces (AP) City: Postcode / ZIP: Update VA Sales Tax $1.91 Total $37.87 Proceed to checkout