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  #1  
Old 03-02-2011, 11:25 AM
Black wallnut Black wallnut is offline
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Half cock question




I've a Springfield WWII model. If with an unloaded condition I depress the trigger and pull the slide back just far enough to engage the half cock notch on the hammer, allow the trigger to reset. Then if I squeeze the trigger the hammer falls. Is this a problem? Should I send it back to Springfield?
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Old 03-02-2011, 11:44 AM
Dueeast Dueeast is offline
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I believe if it's a series 80 type firing system then it supposed to do that. While if it's a series 70 type, then it's a problem. I'm sure more learned people than I can shed more light on it.
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  #3  
Old 03-02-2011, 12:40 PM
Jolly Rogers Jolly Rogers is offline
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Later Springfield hammers have a 1/4 cock notch and a 1/2 cock notch as well as the hooks for full cock. The first notch (1/4 cock) will fall when the trigger is pulled for sure. The illustration in the manual for the full size 1911 shows a captive half cock notch (safety position) so it should not be possible to pull the trigger and have the hammer fall from half cock.
Joe
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Old 03-02-2011, 12:45 PM
Ivymike Ivymike is offline
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Springfields have a 1/2 cock shelf, not a true notch. The will fall from 1/2 cock when the trigger is pulled.
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Old 03-02-2011, 01:33 PM
Jolly Rogers Jolly Rogers is offline
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Quote:
Originally Posted by Ivymike View Post
Springfields have a 1/2 cock shelf, not a true notch. The will fall from 1/2 cock when the trigger is pulled.
Not entirely true. I have two take out Springfield Loaded hammers in my spare parts bin and both of them have captive 1/2 cock ledges and a 1/4 cock ledge that is not captive. The illustration in the Springfield Armory manual (page 11 of the pdf file) found on this pages links :
http://www.springfield-armory.com/ar...clicktype=1911
show a captive 1/2 cock ledge.
Joe
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  #6  
Old 03-02-2011, 01:37 PM
skipsan skipsan is offline
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Quote:
Originally Posted by Jolly Rogers View Post
Not entirely true. I have two take out Springfield Loaded hammers in my spare parts bin and both of them have captive 1/2 cock ledges and a 1/4 cock ledge that is not captive. The illustration in the Springfield Armory manual (page 11 of the pdf file) found on this pages links :
http://www.springfield-armory.com/ar...clicktype=1911
show a captive 1/2 cock ledge.
Joe
Agree entirely. The hammer will not drop from the half-cock position on my Springfields. Quarter-cock yes.
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Old 03-02-2011, 03:59 PM
Black wallnut Black wallnut is offline
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Thanks for the answers and especially for the RTFM answer. Now why did I not think to look there?

Seriously Jolly Rogers thanks a bunch. That makes me feel so much better.
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Old 03-02-2011, 04:26 PM
RPM509 RPM509 is offline
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Does the 1/4 notch/shelf serve a functional purpose on the Springfields?
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Old 03-02-2011, 06:10 PM
Jolly Rogers Jolly Rogers is offline
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Yes, it is a redundant safety position. It is close to the firing pin stop so it hasn't enough inertia to strike the firing pin hard enough to fire a round.
Joe
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  #10  
Old 03-02-2011, 06:55 PM
Jim Watson Jim Watson is online now
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I've seen them both ways.
quarter cock "safety stop" that will pull off, full cock;
and quarter cock, real half cock, full cock.

Either way it is normal for it to pull off the lowest position.
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