These rules were outlined by the legendary Col. Jeff Cooper, founder of Gunsite Training Center in Paulden, Arizona. They are widely held as the defining rules within the industry, though the NRA and other entities have their own which are worth reviewing as well. Feel free to share this graphic to spread the gun safety love!
Keep your finger off the trigger till your sights are on the target. This is the Golden Rule. Its violation is directly responsible for about 60 percent of inadvertent discharges.