Sep 29, 2013 #1 Amattern Expert Rating - 97.1% 66 2 0 Jan 4, 2011 1,291 38 Terre Haute, IN Anyone heard of 6061aluminum? being used for a AR15 upper and lower receiver. I know alot of manufacturers use 7075 aircraft-grade aluminum forging, what is the difference? Last edited: Oct 1, 2013
Anyone heard of 6061aluminum? being used for a AR15 upper and lower receiver. I know alot of manufacturers use 7075 aircraft-grade aluminum forging, what is the difference?
Oct 1, 2013 #2 Amattern Expert Rating - 97.1% 66 2 0 Jan 4, 2011 1,291 38 Terre Haute, IN Bump. anyone?
Oct 2, 2013 #3 X XSVskill Plinker Rating - 100% 1 0 0 Mar 21, 2012 130 18 Decatur, IN 6066 and 6061 vs 7075 aluminum receivers - AR15.COM