SIG Sauer M400 H.D. Semi-Automatic Rifle

The SIG Sauer M400 H.D. is a rugged, high-performance semi-automatic engineered for both tactical duty and sport shooting. Backed by SIG’s legacy of precision manufacturing, the M400 H.D. combines a durable, mission-ready construction with smooth handling and consistent accuracy under stress. Whether in training, competition, or demanding field use, its reliable operation and thoughtful ergonomics give shooters the confidence to perform — shot after shot.