Fishco Posted November 18, 2011 Author Report Share Posted November 18, 2011 Jgun,Thanks for the idea, but I want to be able to swap out parts without altering them, if the barrel is the problem(And I am sure of it now) I just fix the barrel and then all standard tubes, gas blocks will all work, without fitting them.I have tons of parts and I want to be able to go to a drawer and just pick up a part and slap it in.On the side of caution, I am checking one more thing, one of my other fellow builders in my area has a DPMS 16" carbine barrel on order from DPMS, I am going to compare it to his when it comes in next week.I will take pictures and post the results! Quote Link to comment Share on other sites More sharing options...
survivalshop Posted November 18, 2011 Report Share Posted November 18, 2011 Here's a photo of my DPMS upper & gas tube , look at where it is .This rifle runs flawlessly & I'm going to try to get your photo side by side to compare ,but its pretty close. Quote Link to comment Share on other sites More sharing options...
Fishco Posted November 23, 2011 Author Report Share Posted November 23, 2011 Well as I expected the 16" & 20" barrels that I have, which are both stamped DPMS are machined wrong!I just got my buddys new barrel today, straight from DPMS and there is clearly about 5/16" diffrence in the location of the gas port due to incorrect machining of the barrel. I will post pictures and measurements later.Got barrel set in my lathe and I am turning it to correct specs! Quote Link to comment Share on other sites More sharing options...
98Z5V Posted November 23, 2011 Report Share Posted November 23, 2011 Got barrel set in my lathe and I am turning it to correct specs!That is awesome - I'm jealous of your machinery. <laughs> <thumbsup>I wish I had my own shop, but the damn thing would have to be HUGE, to fit everything I want to be able to do... :o Quote Link to comment Share on other sites More sharing options...
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