cannot strike the ammunition round even if the hammer falls against the pin the cup is lifting by a cup release lever 98 having a pivot pin mounting to the hammer housing the hammer 100 is supported in a hammer housing 102 on a pivot pin 104 about which it oscillates between safe and cocked positions a compression spring 106 urges the hammer forward the hammer is cocked moved rearward against its biasing spring by interaction with the slide the slide moves rearward from the recoil generated during firing or it may be moved back by hand to cock the gun after the hammer is cocked it is held in its cocked position by a sear 110 which latches against the hammer preventing it from moving forward when the trigger is pulled to fire the gun the sear releases the hammer allowing the hammer spring to drive the hammer against the firing pin the sear 110 has purely sliding movement along grooves 112 in the trigger housing which are angled upward about 200 from horizontal the sear is urged forward by a leaf spring 114 having two fingers 116 which rest in square apertures in the sear the rearwardly extending arms 118.