Release trigger mechanism

A release trigger arrangement for a firearm, comprising:

• gun receiver means;
• spring-loaded firing means mounted on said gun receiver means and movable between a cocked position and a firing position;
• a sear resiliently urged into cocking engagement with said firing means;
• a movable, spring-loaded trigger mounted on said gun receiver means for moving said sear out of such cocking engagement against the urging of said spring-loading of said trigger;
• first engagement means on said firing means;
• and
• movable second engagement means movable in response to a movement of said trigger against said urging of said spring-loading thereof into a position blocking movement of said first engagement means just prior to a release of said firing means by said sear for preventing a movement of said firing means to said firing position, said second engagement means being movable from said blocking position with said first engagement means in response to a movement of said trigger solely as a result of said spring-loading thereof, said first engagement means including means defining a recess in said firing means, a spring member mounted in said recess and a movable member having a lip thereon biased by said spring member to a position wherein said lip is exposed for engagement by said second engagement means.