[ARCHIVED THREAD] - Left Handed Upper Receiver.

Posted: 4/27/2011 6:05:28 PM EDT

So I need to build a Left handed rifle for the GF. Was hoping that the CMMG Revolution Modular Upper would be available but there is still no word on a release date.

Stag makes a left handed upper so I can get that but I have a dumb question.

Why does the ejection port door flip up on a left handed upper?

Posted: 4/27/2011 6:26:17 PM EDT

[#1]

So s Stag could use the same ejection port door used on every other AR 15 type.

Posted: 4/27/2011 6:33:22 PM EDT

[#2]

I understand that it is the same door, but why flip up? A stag right hand upper door flips down.

I don;t see a reason why it couldn't flip down? Unless the bolt catch is in the way....

Posted: 4/27/2011 6:43:00 PM EDT

[#3]

Don't think of it as up/down, look at it as clockwise/counter-clockwise. If it opens "up" (or clockwise) on a left-hand receiver its the same spring and door as on a right-hand receiver.

Posted: 4/27/2011 7:46:08 PM EDT

[#4]

Yes I have done one and yes it flips up and you have to make sure you buy the bolt and carrier from them.....

Posted: 4/27/2011 7:58:07 PM EDT

[#5]

Quoted:
Don't think of it as up/down, look at it as clockwise/counter-clockwise. If it opens "up" (or clockwise) on a left-hand receiver its the same spring and door as on a right-hand receiver.

Yep it was done to allow the gun to use more of the same parts.

Anyway OP a stag upper is a good choice. For that lower you have a few choices in ambi parts.

[ARCHIVED THREAD] - Left Handed Upper Receiver.

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[ARCHIVED THREAD] - Left Handed Upper Receiver.

[ARCHIVED THREAD] - Left Handed Upper Receiver.