Steve, the last ADCO 12th model finally got paroled, and is home now.
At the height of the ATF41P scare you hustled and got it transferred to my local guy before the government shutdown of October 2013.
I installed it on the 6920 you set up with a DD RIS II rail and an SSA-E a few years ago. It now sports a 16 inch Douglas blank, which Compass Lake contoured for the Ops Inc.
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Now I want to send you my LaRue Stealth 18in upper (.750 barrel) for Ops Inc contour and attachment of my 12th model brake and collar (quarter turn/shimmed).
I guess I need to purchase a Disassembly/Reassembly, and AE30/AEM5 contouring. Will that also cover the mounting of the brake I provide? Do I have to send in my own collar? (BTW I have a few courtesy of Ron Allen, but that's another story)
One last question. The Larue is an 18in LW-50 barrel with a midlength gas system, and at present I have a UBR/carbine receiver extension on it. Would it be of be of benefit to shorten it to 17in for running such a system suppressed?
thanks.