The USAC CAM LOCK BUILDERS SET HOT CHOC by U.S. Arms Company is a premier choice for firearm enthusiasts and professional gunsmiths seeking a versatile and high-quality AR-15 builder set. This multi-caliber receiver set is expertly crafted from billet aluminum, ensuring durability and precision in every build. Designed with the innovative cam lock lower receiver, this set offers enhanced stability and ease of assembly, making it an ideal foundation for a multi-caliber firearm. Whether you're constructing a custom AR-15 or assembling a multi-caliber rifle, this firearm builder kit provides the essential components needed for a seamless build. The USAC CAM LOCK BUILDERS SET HOT CHOC is categorized under Receivers, Rifle Receivers & Lower Receivers, and is recognized for its adaptability across various calibers, making it a must-have for any serious firearm builder. With a status of "A" and a firearm code of "Y," this set requires an FFL for purchase, ensuring compliance with all necessary regulations. The UPC for this product is 810047650249, and it carries the MPN BDK-101-CBR-01, reflecting its unique identity in the market. Perfect for those who demand precision and flexibility, this AR-15 parts kit is engineered to support a wide range of rifle assemblies, offering unmatched performance and reliability. Whether you're a seasoned builder or a newcomer to the world of firearms, the USAC CAM LOCK BUILDERS SET HOT CHOC provides the foundation for creating a personalized, high-performance multi-caliber rifle.