safing blade assembly 1 is attached to main housing 8 by pushing the retainer pins 4 9 forward against the pressure applied by retainer pin springs 32 into the locator holes within main housing 8 and then locking them into the forward position by rotating a thumb tab 12 19 of each of the retainer pins 4 9 into their respective pin retainer notches 11 safing blade 3 is secured by and allowed to pivot about retainer pin 4 and retainer bushing 10 through an opening 5 in safing blade 3 safing blade 3 is secured in its closed position by a latching mechanism 17 thereof and a latching mechanism retainer 18 of top cover 2 latching mechanism 17 is spring loaded in its extended or locked position and is retracted by depressing a tab 7 when tab 7 is depressed latching mechanism 17 is retracted to clear latching mechanism retainer 18 and allowing safing blade 3 to be rotated to its open position in order to safe the gun the safing blade 3 must be rotated from its closed position as illustrated in fig7 to its open position as illustrated in fig8 and 9 the operator accomplishes this by depressing tab 7 and rotating.