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There are 5 safteys on the 1911A1.
Safety Grip, Safety Lock, Disconnector, half cock and inershia hammer.
SAFETY GRIP:
Pointed is a safe Direction, with magazine out, chamber empty. Charge the slide to cock the hammer, Without putting ANY pressure on the grip safety, try pulling the trigger. The trigger should not function the release of the hammer.
If the hammer falls, repair or replace the grip safety.
SAFETY LOCK: (this is the Positive Safety)
Follow the above safety rules. Push the "Safety Lock" up. Try pulling the trigger. The hammer should not fall. Release the finger on the trigger, then push the "Safety Lock" down. If the hammer falls, the "safety Lock" is defective. If it stays in place it is correct.
If the hammers falls when pulling the trigger or when releasing the safety repair or replace the Safety Lock.
DISCONNECTOR:
Following the same safety rules, with the hammer cocked, with the palm of the non-firing hand, push the slide back until your palm meets the barrel. This should be far enough to function the disconnector. Pull the trigger, the hammer should not fall or be released from the sear. If the hammer falls repair or replace the disconnector
HALF COCK:
Following the above safety rules; With the hammer down, push the slide back far enough to engage the half cock notch. Once engaged pull the trigger. The hammer should not fall. If the hammer falls, then replace the hammer.
INERTIA HAMMER:
Following the same safety rules: with the slide closed, put pressure on the trinnger, work the action several times, the pressure should be kept on the trigger, and the hammer should not fall.
Do the same without pressure on the trigger, the hammer should not fall. Working the action shoujld be vigorous, with the trigger pressure and without the pressure on the trigger.
These are the 5 safety-function test performed by the Army when the 1911A1 was in use. It is even used on competition guns. When all these safeties work you can be reletively sure it is safe to shoot.
HJN
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