Error! You must javascript enabled to use this form. Please enable Javascript in your browser. EOTech Holographic Weapon Sight XPS Assembly for RAP4 METS Shortest model sight yet! This sight is smaller than the former N-cell battery sight (511/551) and runs on a single 123 battery. View full press release Your Name: Your Email: Subject: Question: We respects your privacy, the information you entered above will not be used to send unsolicited email, and will not be rented or sold to a 3rd party. Your contact information will be shared with the recipient of this message - Privacy Policy Send