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Posted: 2/17/2010 6:24:12 AM EDT
1) I'm new to suppressors and was researching the 30 cal Phantom.  I just discovered that the 7.62 cal suppressor only fits a 5.56 flash hider.  How does this work?  Aren't the threads on 5.56 barrels smaller in diameter than 7.62 barrels?

2) Could I do something similar using a 5.56 AAC Blackout?

3) What suppressors are compatable with 18T and 51T Blackouts?  Would the Phantom supressor fit on one of the Blackouts?

Basically, I want one suppressor that I could use on multiple rifles and just am partial to the Blackout FH over the Phantom FH.  Thanks for any help.
Link Posted: 2/17/2010 6:44:06 AM EDT
[#1]
fixed it for you:

Quoted:
1) I'm new to suppressors and was researching the 30 cal Phantom.  I just discovered that the 7.62 cal suppressor only also fits a 5.56 flash hider.  How does this work?  Aren't the threads on 5.56 barrels smaller in diameter than 7.62 barrels?

2) Could I do something similar using a 5.56 AAC Blackout?

3) What suppressors are compatable with 18T and 51T Blackouts?  Would the Phantom supressor fit on one of the Blackouts?

Basically, I want one suppressor that I could use on multiple rifles and just am partial to the Blackout FH over the Phantom FH.  Thanks for any help.


I don't know anything detailed about the Blackout FH

If the only reason you're going with AAC over YHM is the appearance of the flashider, you are gonna pay a lot for it... (assuming you end up buying AAC cans)  Which is totally fine, it's your kit.  The 556 and 762 flashiders have all the same O.D. dimensions save one.  The 762 flashider is longer, thus prohibiting the 556 can from being able to reach back to the threads and be mounted.  The flashiders thread onto the barrel permanently with a variety of thread sizes/pitches for all the different rifles, just look at YHM's website and you'll see there's quite a variety.  On the outside to the flashider are the QD threads, those are ACME.  ACME is a standard for a certain type of threads just like you also have standard (course or fine), metric, hose (NHT for firefighting), and pipe (NPT) threads.  I can't remember what the acronym stands for...  You'd find ACME threads on the lead screw on a lathe or maybe some bench vices.


here is ACME thread data (sorry, couldn't format it very well):

Acme Standard Threads
Number of Threads per inch Depth of Thread (inches) Width of Top of Thread (inches) Width of Bottom of Thread (inches) Space at Top of Thread (inches) Thickness at Root of Thread (inches)
1 0.5100 0.3707 0.3655 0.6293 0.6345
1½ 0.3433 0.2471 0.2419 0.4195 0.4247
2 0.2600 0.1853 0.1801 0.3147 0.3199
3 0.1767 0.1235 0.1183 0.2098 0.2150
4 0.1350 0.0927 0.0875 0.1573 0.1625
5 0.1100 0.0741 0.0689 0.1259 0.1311
6 0.0933 0.0618 0.0566 0.1049 0.1101
7 0.0814 0.0529 0.0478 0.0899 0.0951
8 0.0725 0.0463 0.0411 0.0787 0.0839
9 0.0655 0.0413 0.0361 0.0699 0.0751
10 0.0600 0.0371 0.0319 0.0629 0.0681
Link Posted: 2/17/2010 6:49:54 AM EDT
[#2]
The YHM cans will definitely not fit a BLACKOUT.

You could go AAC 762-SD, it will fit on a 7.62 18T BLACKOUT as well as a 5.56 18T BLACKOUT, and work well on both.
Link Posted: 2/17/2010 6:58:04 AM EDT
[#3]
Quoted:I don't know anything detailed about the Blackout FH

If the only reason you're going with AAC over YHM is the appearance of the flashider, you are gonna pay a lot for it... (assuming you end up buying AAC cans)  Which is totally fine, it's your kit.


I work with AAC, but that said I agree with the above- you are paying more simply for the appearance of a flash hider (if that's all you care about)...  

BUT, you are also getting: the most effective flash hider in the world, and with the AAC 762-SD, you get a can that is almost 10 OZ. lighter, smaller diameter, quieter, and only .25" longer than the YHM option.  The weight alone makes it worth it.

FWIW
Link Posted: 2/18/2010 10:08:11 AM EDT
[#4]
I have a 7.62 Phantom and LOVE it...save your money and take your girl out for a nice dinner...Nothing goes better with a new suppressor than dinner and a greatful bj all the way home ... OR, if you prefer to hand-crank, you should still save your money and buy ammo, optics, mounts, uppers, etc.

Just my .02

Hope that helps!

~WTS
Link Posted: 2/18/2010 11:33:04 AM EDT
[#5]
As said, you are incorrect about the 7.62 Phantom only fitting the 5.56 Connector. It fits the 7.62 and the 5.56. But as stated the 5.56 Phantom will only fit the 5.56 for obviuos safety reasons.

I also recommend the 7.62 Phantom. I use mine on a Rem 700 in .308, and a 5.56 AR. It works well on both. A bit heavy on the AR, but still effective.
Link Posted: 2/18/2010 11:42:03 AM EDT
[#6]
YHM will fit Blackout QD flash hiders.

They will not lock due to the different system, but they will fit.
Link Posted: 2/18/2010 2:50:15 PM EDT
[#7]
Quoted:
YHM will fit Blackout QD flash hiders.

They will not lock due to the different system, but they will fit.


that's interesting...  so they must have the same pitch acme threads, eh?  But a cursory look at the two flashiders shows the different "lockup" types.  The only way I'd use it is: one shot, hand tighten, one shot, hand tighten, repeat as neccessary...  That would kinda defeat the purpose sorta...


Link Posted: 2/18/2010 3:05:47 PM EDT
[#8]
Quoted:
Quoted:
YHM will fit Blackout QD flash hiders.

They will not lock due to the different system, but they will fit.


that's interesting...  so they must have the same pitch acme threads, eh?  But a cursory look at the two flashiders shows the different "lockup" types.  The only way I'd use it is: one shot, hand tighten, one shot, hand tighten, repeat as neccessary...  That would kinda defeat the purpose sorta...




Provided the one shot didn't spin off the can or throw it out of alignment and blow your guts halfway downrange. Having a tight lockup is what keeps the can concentric to the bore and keeps baffle strikes from happening.

Simply having the same ACME thread pitch doesn't mean that it's going to be successful in any way, shape, or form, and there's no way I would risk either can putting it on another companies mount. Even if you got the can for free and only paid the tax that's still $200 out of your pocket that you're more than likely throwing away.
Link Posted: 2/18/2010 3:06:12 PM EDT
[#9]



Quoted:


YHM will fit Blackout QD flash hiders.



They will not lock due to the different system, but they will fit.


that's new to me, i would like confirmation from AAC or YH, don't want to risk a baffle strike.



 
Link Posted: 2/18/2010 3:27:28 PM EDT
[#10]
Quoted:

Quoted:
YHM will fit Blackout QD flash hiders.

They will not lock due to the different system, but they will fit.

that's new to me, i would like confirmation from AAC or YH, don't want to risk a baffle strike.
 


"able to screw on and fit" is not the same as function safely.  the threads may fit somewhat, but the actual bearing surfaces are what count, and those are not at all the same between the two mounts. Don't do it.
Link Posted: 2/18/2010 3:28:04 PM EDT
[#11]
Quoted:
I have a 7.62 Phantom and LOVE it...save your money and take your girl out for a nice dinner...Nothing goes better with a new suppressor than dinner and a greatful bj all the way home ... OR, if you prefer to hand-crank, you should still save your money and buy ammo, optics, mounts, uppers, etc.

Just my .02

Hope that helps!

~WTS


That's funny right there.  ;)

Strong argument.
Link Posted: 2/19/2010 8:08:04 AM EDT
[#12]
I agree DONT DO IT.

Just cause it fits dosent mean its a good thing.

Think fat girl and last call at the bar.
Link Posted: 2/19/2010 5:03:07 PM EDT
[#13]
Quoted:
I have a 7.62 Phantom and LOVE it...save your money and take your girl out for a nice dinner...Nothing goes better with a new suppressor than dinner and a greatful bj all the way home ... OR, if you prefer to hand-crank, you should still save your money and buy ammo, optics, mounts, uppers, etc.

Just my .02

Hope that helps!

~WTS


Another satisfied YHM user here.  Check out the "Suppressor or silencer" thread here on the first page for some pics of my YHM mounted on 3 different hosts.  Let's face it, running a YHM can on a WASR-10 7.62x39mm AK & two different ARs is just... awesome
Link Posted: 2/23/2010 12:16:01 PM EDT
[#14]
Another YHM user here. When you mount the suppressor you don't see the flash hider.
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