Warning

 

Close
Confirm Action

Are you sure you wish to do this?

Cancel Confirm
AR15.COM
Armory Sponsor
1/29/2007 5:00:32 PM EDT
What is the purpose of rockset on the flash hider of a QD suppressor and how important is it that it be used.

Thanks,

Marco
1/29/2007 5:17:30 PM EDT
[#1]
think of it as loctite on steroids


that also explains why it should be used.
1/29/2007 6:03:11 PM EDT
[#2]
It keeps the flashider on good, if you are not going to shoot your barrel real hot  red loctite will work, and be easier to get off if you decide to.
1/29/2007 6:11:34 PM EDT
[#3]
The flash hider is already installed, will the use of a suppressor un-torque the qd flash hider or is the rockset a precautionary measure?  If it will un-torque the QD flash hider I'll remove it and use some of the rockset.

Thanks,

Marco
1/29/2007 6:56:55 PM EDT
[#4]
It will untorque the QD Fh, I saw it today on a 762SD can. remove it, clean, degrease everything, apply rockset and reapply the FH
1/29/2007 9:03:20 PM EDT
[#5]

Quoted:
think of it as loctite on steroids


that also explains why it should be used.


kinda. Rocksett is a ceramic adhesive that has a really high melting point but has a low shear strength. So its good for suppressors because it wont melt off right away like loctite...on the other hand its not strong enough to attach a flash suppressor permanently.
1/29/2007 10:29:34 PM EDT
[#6]
There's a lot of myth surrounding Rocksett.  Rocksett has a very high melting point, as stated above, which is why it's so often used with suppressors and flash hiders.  It will stay solid well beyond red Loctite's melting point. It is, however, the equivalent of blue Loctite as far as shear strength, far less strength than its reputation.  Read the instructions and it plainly states that Rocksett is designed and intended to be removed with simple hand tools and does not require heat.  It's tempurature resistance is what makes it useful, not its shear strength.

Somewhere, somehow Rocksett became the wonder adhesive and every few months someone posts a question or comment about ATF accepting Rocksett as a viable method for legal permanent installation. Ridiculous.  You need only read the instructions...
1/30/2007 3:04:26 AM EDT
[#7]
It will require between 25 to 30 ft pounds to break the bond on a flash hider. While strong, it is not a permanent deal.
1/30/2007 4:02:59 AM EDT
[#8]

Quoted:
It will untorque the QD Fh, I saw it today on a 762SD can. remove it, clean, degrease everything, apply rockset and reapply the FH


Let me guess, Rick's can?  I hope the can didn't get damaged.  

Always best to degrease the threads on the mount and barrel, apply a drop or two of Rocksett and then torque that puppy on there.

Regarding heat needed to remove the flash suppressor, I've removed dozens of flash suppressors installed with Rocksett and can tell you from first hand experience if the FS was installed with just a drop of Rocksett you shouldn't ned heat to remove the FS.  HOWEVER, I can also tell you that I've seen several FS mounts installed with a lot of Rocksett and the mounts would not budge until they were heated with a torch.  Apply some heat stop paste to the barrel, heat the FS and the mount WILL come off easier.  That is my personal experience anyway.

Mark
1/30/2007 1:17:07 PM EDT
[#9]
no the can is good to go, it just take the FH off when he unscrews it, he didnt let it setup long enough after he installed the FH
Armory Sponsor