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3/16/2013 10:00:21 PM EDT
Could some folks here give me an accurate measurment maybe using a caliper of this tapered portion of their receiver(s) like in the pic below?

http://i22.photobucket.com/albums/b345/webstat/Guns/P1020010_zpsfac9ddee.jpg

Really would appreciate it as I don't have any lower at present to measure. I'd like to know if all forged lowers have the same measurement as each other. So differen brands would also be a help.

I'm needing this measurement for matching up with a design for a PDW style stock.

3/17/2013 1:27:12 AM EDT
[#1]
I got 1.385 or thereabouts on three lowers, each of different manufacture.  Measured side to side on the thinner part that would butt up against a stock or whatever.
3/17/2013 8:24:58 AM EDT
[#2]
What exactly are you wanting a measurement for?  Your pic is unclear as to what dimension you want.
3/17/2013 8:25:14 AM EDT
[#3]
Thank you Thank you. I didn't realize that I should have just asked if someone could measure the plate before the castle nut as I believe that would be the same spec as that taper.
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