The USAC Cam Lock Builders Set Alpine by U.S. Arms Company is a premier choice for firearm enthusiasts seeking a versatile and reliable AR-15 receiver kit. This multi-caliber AR-15 build kit is designed to provide exceptional performance and adaptability, making it an ideal option for both seasoned builders and newcomers to the world of custom firearms. Featuring a cam lock lower receiver, this AR-15 builder set ensures a secure and precise fit, enhancing the overall stability and accuracy of your build. The U.S. Arms Company receiver kit is crafted with meticulous attention to detail, offering a seamless integration of components that cater to a wide range of calibers, thanks to its multi-caliber capability. As a product that requires an FFL, the USAC Cam Lock Builders Set Alpine is categorized under Receivers, Rifle Receivers & Lower Receivers, ensuring compliance with all necessary regulations. With a firearm code of "Y" and a status of "A," this kit is ready to meet the demands of any firearm enthusiast looking to create a custom AR-15. The UPC for this product is 810047650195, and it carries the MPN BDK-101-ADK-01, ensuring easy identification and ordering. Whether you're building a rifle for sport, hunting, or personal defense, the cam lock AR-15 set from U.S. Arms Company offers the quality and flexibility needed to achieve your desired specifications.