Marine Corps Reference Publication (MCRP) 3-01B, Pistol Marksmanship , is the official United States Marine Corps guide to employing the service pistol. Originally issued in support of the Marine Corps Combat Marksmanship Program, this manual provides comprehensive instruction on safe handling, firing techniques, and combat applications of the M9 service pistol. Covering safety rules, weapons conditions, marksmanship fundamentals, firing positions, target engagement, and advanced combat shooting techniques, this manual reflects the Marine Corps belief that every Marine must be proficient with both rifle and pistol. It emphasizes confidence, accuracy, and combat effectiveness under a wide range of conditions. This Milstar Books reprint edition faithfully preserves the complete original text and illustrations while presenting them in a clean, standardized format for clarity and long-term reference. Part of the Milstar Books Military Doctrine Collection , it is an essential resource for Marines, veterans, instructors, historians, researchers, and firearms professionals seeking a deeper understanding of Marine Corps pistol marksmanship training.