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Posted: 11/19/2014 2:16:55 PM EDT
Building a 300 and I'm thinking about going with the 8.2" CMMG Barrel. I currently have a 9" Troy Alpha Rail and I am wondering how that will work with the FH mount for my pending Specwar 762.

Will the FH stick out far enough for proper installation and removal of the suppressor or do I need to change my plans?

Since I already have the rail and haven't ordered the barrel yet that would be the easiest.

The goal is to keep the OAL as short as possible for this build. I'm sure I will end up with a 2nd 300 upper w/ either a 12.5" or 16" barrel for use w/ supers.
Link Posted: 11/19/2014 3:41:04 PM EDT
Probably not. I'm using a 7.2" Troy VTAC rail with my Aero 8.2" barrel and the brake sits out far enough for the Specwar lock ring to be manipulated.

I'll post photos when I get home.
Link Posted: 11/19/2014 5:35:19 PM EDT
The 9" troy is too long.
Link Posted: 11/19/2014 9:21:28 PM EDT
cmmg 8" yhm spector keymod

Link Posted: 11/19/2014 11:09:50 PM EDT
7.2" rail with 8.2" barrel:



Link Posted: 11/20/2014 12:09:28 AM EDT
[Last Edit: 11/20/2014 12:14:20 AM EDT by MrFluffaluffagus]
Thanks for the info, looks like I need to change my plans up a bit.

Any 10.5" barrels with a 1x7?
Link Posted: 11/20/2014 1:27:29 AM EDT
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Originally Posted By MrFluffaluffagus:
Thanks for the info, looks like I need to change my plans up a bit.

Any 10.5" barrels with a 1x7?
View Quote


Link Posted: 11/20/2014 1:40:45 AM EDT
Ya that Specwar has a lock ring that you have to have access to, so you can't put it under the rail. It looks like the lock ring on the Specwar doesn't go all the way to the base of the mount so you might be able to squeeze an 8" rail in there.
Link Posted: 11/26/2014 11:45:56 AM EDT
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I literally have that same set up, with the Specwar 762
Link Posted: 11/26/2014 3:37:22 PM EDT
7" rail on 8.5" barrel, AAC mount. In retrospect I should have gotten the 7.6" rail - I believe I still could have manipulated the suppressor catch with the longer rail.


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