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  2. Forced reset trigger - Wikipedia

    en.wikipedia.org/wiki/Forced_reset_trigger

    A forced reset trigger (or "hard reset" trigger) is a device that allows a person to fire a semi-automatic firearm at an increased rate. The forced reset trigger works by mechanically resetting the trigger's position after a shot is fired. This allows for an increased rate of fire.

  3. Time-delay combination locks - Wikipedia

    en.wikipedia.org/wiki/Time-delay_combination_locks

    This will allow the safe to be opened when the batteries are changed after the pre-set time if the correct code is entered. Some electronic combination locks with a time-delay feature require the code to be entered twice: once to start the timer, and a second to unlock and open the safe entered after the delay period has expired.

  4. Sentry Group - Wikipedia

    en.wikipedia.org/wiki/Sentry_Group

    In 1987, it began doing business under the name Sentry Group, in order to better identify the company with its trademark name safes — "Sentry". Sentry Group produces more fire-resistant chests, safes, security storage containers, and gun safes than any other company in the world [ citation needed ] and has won several awards, including ...

  5. Safe-cracking - Wikipedia

    en.wikipedia.org/wiki/Safe-cracking

    This pin can also be moved by the impact of the safe being dropped or struck while on its side, which allows the safe to be opened. [9] [10] [11] One security researcher taught his three-year-old son how to open most consumer gun safes. More expensive safes use a gear mechanism that is less susceptible to mechanical attacks.

  6. Combination lock - Wikipedia

    en.wikipedia.org/wiki/Combination_lock

    A Wordlock letter combination lock.. A combination lock is a type of locking device in which a sequence of symbols, usually numbers, is used to open the lock. The sequence may be entered using a single rotating dial which interacts with several discs or cams, by using a set of several rotating discs with inscribed symbols which directly interact with the locking mechanism, or through an ...

  7. Rotary combination lock - Wikipedia

    en.wikipedia.org/wiki/Rotary_combination_lock

    A rotary dial combination padlock. A rotary combination lock is a lock commonly used to secure safes and as an unkeyed padlock mechanism. This type of locking mechanism consists of a single dial which must be rotated left and right in a certain combination in order to open the lock.

  8. Safety (firearms) - Wikipedia

    en.wikipedia.org/wiki/Safety_(firearms)

    The M1911 design is a popular example of a handgun with a grip safety, [2] while the Uzi submachine gun and the HS2000 (marketed in the US as the Springfield Armory XD) and its descendants are other notable examples of this type of safety. Dan Wesson 1911-style Patriot pistol with a grip safety lever protruding at the back of the grip

  9. United States government safe and vault door specifications

    en.wikipedia.org/wiki/United_States_government...

    General Services Administration-approved safes and vaults are certified high-security safes and vault doors for military and embassy applications. Each vault door under this specification meets stringent criteria and has passed the qualification tests and inspections performed at a Government test facility for the General Services Administration.