XS Sights is known for making the fastest sights in any light. For more than 25 years, the XS team has created some of the most innovative sights on the market today for pistols, rifles and shotguns. Whether used for personal defense or hunting, these sights are designed and built to be the absolute best for their specific purpose. American Made. Texas Proud. 2A Strong. Our mission is to Empower the Good Guy to be more prepared, confident, and self-reliant with functional weapon upgrades.