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jvencius
14 August 2008, 06:06
What's the purpose of the hole at the top of the lower receiver that goes crosswise into the hole where the front takedown/pivot pin detent spring fits? Both of my lowers have it but apart from a lube point, I can't see any purpose to that hole being there and my simple little brain is confused...

jvencius
14 August 2008, 07:08
Here's a pic--the hole I'm referring to is just to the right of the pen tip:

http://i128.photobucket.com/albums/p179/jvencius/P1010058.jpg

m24shooter
14 August 2008, 07:43
To allow water to exit.

Stickman
14 August 2008, 09:40
Drain hole. Some people refer to it as a lube point, but the last thing I would want to do is drop any lube in there to gum things up.

Eric
14 August 2008, 14:06
And it's a feature some manufacturers omit. It's not exactly a critical item.
By the way, thanks for adding the picture.