[ARCHIVED THREAD] - Colt rifleing

Posted: 9/6/2012 1:19:08 PM EDT

Gentlemen,
How are Colt M4 and M16 barrels rifled, cold hammer forged, button, etc. ?
Thanks for your time,
Jim

Posted: 9/6/2012 5:33:20 PM EDT

[#1]

4150 chrome lined colt's

fn's are cold hammer forged

Posted: 9/6/2012 6:58:25 PM EDT

[#2]

Also, Colt barrels are button rifled. And they are made of 11595E-certified steel.

Posted: 9/7/2012 7:38:14 AM EDT

[#3]

Thanks for your replies. Mainly interested in the rifleing used for my 2012 6920 M4.
Thanks,
Jim