Description

Sig 550/551 5.56mm Armourer’s Instructions- Manual

135 pages, about 11″ x 8″, glossy soft-cover in full color. New re-print restored and digitally enhanced from a nice original. Printed on high quality 20# 97 bright acid free paper. Fully Illustrated.

p>This reprint of SIG’s 550/551 armourer’s manual offers in-depth technical guidance intended for armament maintenance, repair, and inspection of these 5.56mm automatic rifles. Based on original Swiss military documentation and digitally restored for clarity, it serves as a reliable reference for collectors, military firearm technicians, and SIG enthusiasts.

Core Technical Coverage

• Detailed disassembly and reassembly procedures for the SIG 550/551 series
• Cleaning, lubrication, and preventative maintenance schedules
• Identification of components and parts nomenclature
• Troubleshooting common malfunctions and diagnostic procedures
• Inspection and repair guidance for the gas system, bolt assembly, and receiver
• Procedures for parts replacement, alignment, and tolerance checks

Highly useful for armourers, gunsmiths, and technical historians working with the SIG 550/551 or studying mid‑20th‑century Swiss small arms systems.

We are not affiliated with any arms or gun manufacturer.