Dry fire
Videos
Dry firing is the act of activating the shooting mechanism of a bow, crossbow, firearm, airgun or other ranged weapons without actually launching out any projectiles. The expression is also used to re
Gun storage boxes for civilian visitors at a courthouse in Prague, Czech Republic. Before storing, the gun is aimed at the gun clearing trap (left, red), it is unloaded and dry fired. The bullet trap is constructed so as to safely contain a fired bullet in case the operator mistakenly left a round in the chamber. Loading of firearm when leaving is also conducted while aiming into the bullet trap, without engaging trigger.
Two laser pistols.
Laser beams: Red (650 nm) 100 mW, green (532 nm) 50 mW, and violet (405 nm) 150 mW.
Bolt (firearms)
Videos
A bolt is the part of a repeating, breechloading firearm that blocks the rear opening of the barrel chamber while the propellant burns, and moves back and forward to facilitate loading/unloading of ca
Bolt from a Karabiner 98k bolt-action rifle. Note the curved handle on the side for manual operation
AR-15 bolt carriers: Upper example is for use with short-stroke gas piston, the lower example is for use with direct impingement
AK-74 bolt and firing pin
K31 bolt disassembled