slide frame 30 further includes a breech face 32 and an extractor port 34 the breech face 32 is engagable with the rearward end 19 of the barrel 16 to form a firing chamber when the slide 14 is disposed forwardly on the frame 12 see fig1 an ejection mechanism provides for the ejection of a cartridge casing 40 in a direction indicated by an arrow 42 upon firing the firearm 10 or manually cycling the slide 14 referring now to fig3 the fire control mechanism is shown at 18 the fire control mechanism 18 is of a striker type firing pin configuration and comprises a striker type firing pin 23 having a firing pin portion 20 and a depending leg 21 the fire control mechanism further comprises a sear assembly 26 and a trigger assembly 42 the sear assembly 26 has a pivotally mounted sear 50 that selectively engages the firing pin 23 the trigger assembly 42 which functions to actuate the sear 50 includes the trigger 22 and a trigger bar 31 pivotally connected to the trigger 22 via a pin 34 the trigger bar 31 connects the trigger 22 and the sear assembly 26 a trigger bar extension 33 extends from the trigger bar structure into a channel 29 of the sear assembly 26 the trigger 22 may be of unitary construction as shown or of a multiple piece articulated construction when the trigger 22 is actuated by being pressed in a rearward direction the trigger 22 pivots about a pin 38 and transmits movement to the trigger bar 31 via the pin 34 the.