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Posted: 10/21/2004 7:41:36 AM EST
I need some dimension info on the AR lower receiver. I have a small drawing but cannot make out anything that determines the depth of the slot on the left side of the receiver where the mag catch goes. TIA.
Link Posted: 10/21/2004 8:10:30 AM EST
The slot should be 5/32" deep from the side of the magazine well. Heres a usefull print to help.

www.biggerhammer.net/ar15/cad/ar15_receiver.pdf
Link Posted: 10/21/2004 10:21:19 AM EST
Thanks, maybe I am just missing that as this is the "small print" from which I am currently working. Tried using the CAD file to grab the dimension, but it does not detail that unfortunately.
Link Posted: 10/22/2004 7:44:08 AM EST
You should be able to enlarge that print to make it easier to read. Just can't print that one out too big. Another helpful website is Ray Vin's. It deals with machining a 0% lower and is an excellent resource for those building 80% lowers.
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