Spuhr Picatinny Rail - Height 10 mm/0.40in/Length 55mm/2.16in, Black, 2 Hole, A-0003 ITAR PRODUCT! By adding to cart, I confirm that I am U.S. Person, I agree that I do not intend to export this product, and I understand this product is regulated by the International Traffic in Arms Regulations (ITAR).