In firearms, a safety or safety catch is a mechanism used to help prevent the accidental discharge of a firearm, helping to ensure safer handling.
Close-up shot of a safety of an M16A2 rifle
Heckler & Koch VP70 pistol with a push-button safety (cross bolt trigger block) at the back of the trigger guard
Dan Wesson 1911-style Patriot pistol with a grip safety lever protruding at the back of the grip
SIG Sauer P226 controls and parts: 1. Ejection port, 2. Rear sight, 3. Hammer, 4. Takedown lever, 5. Decocker, 6. Slide stop, 7. Trigger, 8. Magazine release.
The Colt M1911 is a single-action, recoil-operated, semi-automatic pistol chambered for the .45 ACP cartridge. The pistol's formal U.S. military designation as of 1940 was Automatic Pistol, Caliber .45, M1911 for the original model adopted in March 1911, and Automatic Pistol, Caliber .45, M1911A1 for the improved M1911A1 model which entered service in 1926. The designation changed to Pistol, Caliber .45, Automatic, M1911A1 in the Vietnam War era.
M1911 and a M1911A1, both manufactured by Colt
M1911 designer John Browning
Cross-section diagram, with labeled parts, of original Model 1911 pistol, from official Army description as published in 1917.
Springfield Mil Spec field stripped