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Posted: 8/7/2007 10:52:29 AM EDT
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Hey all, In exploring my options for having a (non-NFA) XM177E2 upper built, I've started thinking about the moderator. From what I've gleaned here, Total Silence makes the best ones. Are they out of business? Anyone have one of 45Bravo's? Also, how long is the moderator? From one of AR15barrels.com's threads, it seems like if the barrel is 12.5" and the fake moderator is pinned/welded on, I'll be OK in the eyes of the ATF. I just need to know, how short I can go on the barrel and still be 16.1" (also, why the extra .1 if 16" is legal? Is it just to CYA?) Thanks Rich |
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I'll have to measure my moderator when I get home tonight. My suggestion would be : Buy post-ban lightweight barrel Buy Grenade Ring Buy Moderator Send all of the above to manufacturer of your choice with instructions to chop and thread the barrel, add grenade ring (make sure they permanently attach it facing the right way) and moderator, and pin and weld in place for an overall length of 16.1". They will figure out the combined overall length to get you legal. Also instruct them to open the gas port to 0.085" for reliable functioning. |
| WA-tom is still a member here and can probably hook you up if you send him a PM. I got my TS Inc. E2 moderator in July with grenade ring and split ring washer. Before you order a barrel, contact whomever you plan on doing the cutting and get their input on how you should proceed. A1 barrels are thin enough that they are machined with a shoulder behind the muzzle threading to support the muzzle device. I'm not sure if the split ring washer has a sharp enough edge to serve as the sole support for the device. |
Do you know how long your barrel actually is then, DM? I'm curious too, about how the chop and re-thread works without the shoulder on the lightwight barrels. ~Augee |
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