Right there with you, I was gonna buy a mod 2 upper from jwknutson17 I was greatful he already had the skinny on the details and did the hard work. Would be cool though, I don't really care for the URX 4 but love everything else about the mod 2 gas system and E3 CHF properly ported barrel.
Slow progress on my build/s but I went decided to do both 11.5"/10.75" and 12.5"/11.5" barrel rail combos. Sold the 9.3" MEGA rail.
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