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Posted: 3/29/2009 10:57:07 PM EDT
I am going to build a 9mm upper of my own design for my M4 Carbine but I would like to retain its original look by turning a barrel blank to a similar profile. Is there anyone here with a drawing of the outside dimensions of the barrel ? Thanks !
Link Posted: 3/29/2009 11:23:37 PM EDT
this is all I have on my HD.

I've found both pics in this site long time ago



Link Posted: 3/30/2009 12:24:16 AM EDT
Originally Posted By Frens:
this is all I have on my HD.

I've found both pics in this site long time ago

<a href="http://img220.imageshack.us/my.php?image=m4barreldimcolten9.jpg" target="_blank">http://img220.imageshack.us/img220/8134/m4barreldimcolten9.th.jpg</a>

<a href="http://img509.imageshack.us/my.php?image=m4barreldimensionac3.jpg" target="_blank">http://img509.imageshack.us/img509/8481/m4barreldimensionac3.th.jpg</a>


Im interested. How accurate are those specs?

I suppose I could figure it out.
Link Posted: 3/30/2009 2:58:05 AM EDT
[Last Edit: 3/30/2009 7:16:08 AM EDT by whiskeybravo]
Send me an email address if you would like a parasolid file(*.igs)––
You can then do with it as you please (like make dimensioned drawings)

ETA: these were generated from Dept of the Army drawings...

Screen shot CAD (right) CAM (left)


CAM sim for upper (9mm)...



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