The Lee Precision ACP/APP Undersized Flash Hole Decapping Pin is designed for reliable primer removal in cases with smaller-than-standard flash holes. Built for use with Lee ACP and APP press systems, this specialized pin ensures smooth, consistent decapping without damaging brass, making it ideal for processing military or imported cases with undersized flash holes. Constructed from durable, high-strength material, this decapping pin is engineered to withstand repeated use while maintaining proper alignment and performance. Its precision dimensions allow it to pass through tighter flash holes with ease, reducing the risk of bending or breakage. Whether you're sorting brass or preparing cases for reloading, this Lee Precision decapping pin provides dependable, purpose-built functionality.