when i click on the picture a box comes up that says "you do not have permission to do this action, please refresh the page and try again."
I get the same message.
when i click on the picture a box comes up that says "you do not have permission to do this action, please refresh the page and try again."
You don't get a slide show popup if you just mouse over one of the pics?
Your upper, although similar, isn't the same as mine. The barrel, rail, and mount (5/8 vs 1/2 threds) are all different. It's an issue with the mk18 setup and AAC cans and mounts. I have three options, use the blackout or brakeout with the wrench flats, add a spacer for the brake, or switch to a 10.5" barrel. I'm not switching barrels and I really want to use the brake for the extra blast baffles so I guess Dustin is building a spacer! Hooray! I'm 2.5 months in on my SDN-6 from Dustin, might as well get started in the M4-2k so I can have the complete set.
No AAC 51t muzzle brake for 762 or 556 I've seen has flats on the back. I've seen a lot.
762 threads are the same length as 556.
Correct. By my research though the brake mounts still do not have the flats. No sure if yours being 5/8 has anything to do with it. When did you buy your mount?
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