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Posted: 7/25/2014 5:37:57 PM EDT
[#1]
I've done it with 22 and with 5.7x28. Will possibly shorten my 9mm as well.
However, every time I see somebody mention it on a standard AR build, I think about a pic somebody posted in here a couple months ago: 
Not sure if want a rail over that. 
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Posted: 7/26/2014 8:00:27 AM EDT
[#2]
I would not put a rail over a 5.56 suppressor. I saw a post a while ago on here where a quality rail broke under the heat of the suppressor. Plus you would have to wear oven mitts to hold onto the gun.
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Posted: 7/26/2014 12:28:32 PM EDT
[#3]
Quote HistoryQuoted:
I've done it with 22 and with 5.7x28. Will possibly shorten my 9mm as well. However, every time I see somebody mention it on a standard AR build, I think about a pic somebody posted in here a couple months ago: http://i.imgur.com/GzMaC.jpg Not sure if want a rail over that. That image is from 150 rounds fired full auto, 5 30 round magazines in a row. Plenty of people run suppressors under handguard... but if you are going to be running full auto over an extended period of time, you might think twice about it. |
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Posted: 7/26/2014 12:31:53 PM EDT
[#4]
Quoted:
So I've been thinking of building an upper where the suppressor is under the handguard. Really looking for some pictures of a 7 or 7.5in barrel and a rifle length handguard probably a vtac or MFR. I basically want to copy the DD ISR but with a 7in barrel. Also, if anyone is running this type of setup how is the heat on the handguard? I plan on using a sdn6 with the mount in the suppressor and use it as a screw on. Thanks for any insight! OP, take a look at this post: http://www.ar15.com/forums/t_3_121/610975_Building_a_Honey_Badger_copy___6_barrel_300_AAC_Blackout___Need_help_.html&page=1#i6010391 |
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Posted: 7/26/2014 12:45:50 PM EDT
[#5]
It can work fine. This is mine - 8.1" barrel on a Spikes BAR handguard. The handgaurd has a heat shield on the bottom but not the top. I don't do 5 mag dumps on full auto. At typical semi auto firing rates, it doesn't get uncomfortably hot at all, even without a glove.
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Posted: 7/27/2014 3:52:56 AM EDT
[#6]
If we are talking about 300 blackout it will be fine. If it is 5.55 I would not do it. My 5.56 supprssor gets hot with semi auto fire about 1 shot every 5 to 10 seconds. I get a nice mirage after about 20 rounds.
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Posted: 7/27/2014 6:30:38 PM EDT
[#7]
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Posted: 7/30/2014 1:26:44 AM EDT
[#8]
I think it's generally a bad practice with 5.56, and even more so with a 7" barrel, but go for it.
Just know what you're getting yourself into. |
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