The USAC CAM LOCK BUILDERS SET GM GREY by U.S. Arms Company is a premier choice for firearm enthusiasts seeking versatility and reliability in their builds. This grey cam lock builders set is designed to accommodate multiple calibers, making it an ideal solution for those who value adaptability in their firearm configurations. As part of the esteemed U.S. Arms Company lineup, this multi-caliber cam lock system ensures a secure and precise fit, enhancing both performance and safety. The grey firearm lock set is crafted with meticulous attention to detail, reflecting the brand's commitment to quality and innovation. With its firearm cam lock mechanism, users can expect seamless transitions between different calibers, providing a customized shooting experience tailored to individual preferences. The USAC cam lock is not only a testament to superior engineering but also a practical addition to any firearm collection, offering a grey multi-caliber lock solution that stands out in both functionality and aesthetics. This firearm lock set is categorized under Receivers, Rifle Receivers & Lower Receivers, and requires an FFL for purchase, ensuring compliance with all necessary regulations. With a UPC of 810047650294 and MPN BDK-101-GMG-01, the USAC CAM LOCK BUILDERS SET GM GREY is a must-have for those who demand excellence and flexibility in their firearm components.