No Batteries – No Switches – Always Ready When You Need Them. Daytime Confidence Under Low Light Conditions. The Brightest Night Sights Available Today. TRU-DOT® for Rapid Instinctive Aiming. Totally Integrated Day/Night Sighting. Green Rear / Green Front Combination. Fits H&K USP Full-Size. Sight Type: Tritium Night Sights. Type of Alignement: 3 dot. Rear sight style: Square. If you received a product and you see that it does not fit your needs, it is understandable that you will wish to return it. Every customer can return the product to our company at this address: Optics Trade d. In case of any damage to the product, missing equipment or manuals, Optics Trade d. Worldwide really means everywhere in the world. Possibility of having a problem with any optical problem is small, however in the course of time it can happen. Since we believe that aftersales services are a cornerstone of any good online store, we also believe that it is our duty to help our customers in such cases. We will help you with. We have a wealth of experience in this matter and can make sure that you will not have any problems with reimporting the repaired product back to your country. Repairs can also be arranged for many European products even if they are damaged; however such repairs are paid for by the customer.