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Posted: 11/1/2009 1:25:39 PM EDT
[#1]
The grooves are used to retain the pins in place, there's a little spring arm in the trigger and hammer assemblies. However, the design allow you to insert the pins in either hole and in either orientation, with no problems. It's GI proof
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Posted: 11/1/2009 1:44:28 PM EDT
[#2]
There is a pin inside the hammer called a J pin that snaps into the center groove in the hammer pin.
The trigger pin is retained by one of the hammer spring legs setting on top of and in the outside groove of the trigger pin. There in no "little spring arm" in the trigger of a standard type AR trigger |
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Posted: 11/1/2009 2:26:10 PM EDT
[#3]
Thanks, either way looks like orientation does not matter.
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Posted: 11/1/2009 5:43:56 PM EDT
[#4]
Quoted:
Thanks, either way looks like orientation does not matter. The orientation of the hammer pin matters only when you install or remove it. Insert the pin with the SMOOTH END IN FIRST-this will get the pin started through the hammer without the "J" spring in the hammer catching on anything until the pin is seated. Likewise, when you remove the pin, you want the GROOVED END OUT FIRST. You can make sure this happens by installing both trigger and hammer pins in the same direction, so the trigger pin tells you which end has the groove. |
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Posted: 11/2/2009 4:49:04 AM EDT
[#5]
Quoted:
There is a pin inside the hammer called a J pin that snaps into the center groove in the hammer pin. The trigger pin is retained by one of the hammer spring legs setting on top of and in the outside groove of the trigger pin. There in no "little spring arm" in the trigger of a standard type AR trigger Thanks, I'm such a moron 
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Posted: 11/2/2009 9:03:50 AM EDT
[#6]
Quoted:
Quoted:
Thanks, either way looks like orientation does not matter. The orientation of the hammer pin matters only when you install or remove it. Insert the pin with the SMOOTH END IN FIRST-this will get the pin started through the hammer without the "J" spring in the hammer catching on anything until the pin is seated. Likewise, when you remove the pin, you want the GROOVED END OUT FIRST. You can make sure this happens by installing both trigger and hammer pins in the same direction, so the trigger pin tells you which end has the groove. Excellent point! I did mine this way because Brownells (I think) recommended it. Read it somewhere anyway. Why force two pin grooves through the hammer's j-pin when you don't want to be tapping more on the receiver than you have to. And like GHPorter said, having both pins oriented the same way lets you know which way to remove the hammer pin without getting stuck on the j-pin a second time. |
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