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Thread: Long Term Durability of Rocksett on Muzzle Threads and Installation Torque?

  1. #1
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    Long Term Durability of Rocksett on Muzzle Threads and Installation Torque?

    I had a new barrel installed on an AR, and I found out later the gunsmith may have used Rocksett to attach the muzzle device because he couldn't get it to index properly with just the torque wrench (didn't want to overtighten). He doesn't remember if he used Rocksett or not (it's been a while since I had the work done).

    I know Rocksett has a reputation for high resistance to heat, solvents, etc., but what is the long-term durability of the product?

    The AR only shoots semi-auto, but there are range sessions and shooting matches where a lot of ammo is expended, meaning the barrel does get really hot and goes through repeated heating/cooling cycles.

    Is Rocksett the kind of product that is more or less permanent unless deliberate attempt is made to remove it?

    I had always heard that Rocksett is what people recommend as a removable way to mount suppressors (maybe I was told wrong).

    But then again, if I remember correctly, an AAC flash hider I ordered came with a tube of Rocksett.

    What say you? Is this an item that should be checked periodically for looseness or should I have confidence that if the flash hider was installed properly with Rocksett that it's GTG unless I soak it in hot water to remove it?
    Last edited by Doc Safari; 01-29-19 at 09:53.

  2. #2
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    Ive used Rocksett on everything including what your doing, I have had good luck. Not sure what others may have experienced or mfg suggested use is, but mine has been good.

    PB
    "Air Force / Policeman / Fireman / Man of God / Friend of mine / R.I.P. Steve Lamy"

  3. #3
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    Torque wrench. You don't need no stinkin torque wrench to time a muzzle device. With a shim kit, you can get it timed.

    If the device has some tension against the shoulder, the rockset should be fine.
    "What would a $2,000 Geissele Super Duty do that a $500 PSA door buster on Black Friday couldn't do?" - Stopsign32v

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    Long Term Durability of Rocksett on Muzzle Threads?

    SureFire recommends rocksett on their MDs, my WarComp had some included with it and Robb definitely used it when he assembled my upper.


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  5. #5
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    Get a new gunsmith. In other news using the search feature will reveal several discussions about Rocksett.



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  6. #6
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    Quote Originally Posted by Iraqgunz View Post
    Get a new gunsmith. In other news using the search feature will reveal several discussions about Rocksett.
    Did that. It turned up very few threads and not much definitive info.

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    Long Term Durability of Rocksett on Muzzle Threads?

    Quote Originally Posted by Doc Safari View Post
    Did that. It turned up very few threads and not much definitive info.
    The only thing I saw was that old rocksett could potentially pose a problem. Didn’t seem that bad to me.


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    https://www.m4carbine.net/showthread...e-installation

    https://www.m4carbine.net/showthread...cksett-Removal

    https://www.m4carbine.net/showthread...or-Red-Loctite

    https://www.m4carbine.net/showthread...-Muzzle-Device

    https://www.m4carbine.net/showthread...octite-suffice

    Quote Originally Posted by Doc Safari View Post
    I had a new barrel installed on an AR, and I found out later the gunsmith may have used Rocksett to attach the muzzle device because he couldn't get it to index properly with just the torque wrench (didn't want to overtighten). He doesn't remember if he used Rocksett or not (it's been a while since I had the work done).

    I know Rocksett has a reputation for high resistance to heat, solvents, etc., but what is the long-term durability of the product?

    The AR only shoots semi-auto, but there are range sessions and shooting matches where a lot of ammo is expended, meaning the barrel does get really hot and goes through repeated heating/cooling cycles.

    Is Rocksett the kind of product that is more or less permanent unless deliberate attempt is made to remove it?

    I had always heard that Rocksett is what people recommend as a removable way to mount suppressors (maybe I was told wrong).

    But then again, if I remember correctly, an AAC flash hider I ordered came with a tube of Rocksett.

    What say you? Is this an item that should be checked periodically for looseness or should I have confidence that if the flash hider was installed properly with Rocksett that it's GTG unless I soak it in hot water to remove it?



    Owner/Instructor at Semper Paratus Arms

    Facebook: https://www.facebook.com/SemperParatusArms/

    Semper Paratus Arms AR15 Armorer Course http://www.semperparatusarms.com/cou...-registration/

    M4C Misc. Training and Course Announcements- http://www.m4carbine.net/forumdisplay.php?f=141

    Master Armorer/R&D at SIONICS Weapon Systems- http://sionicsweaponsystems.com

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    Wow, didn't know Rocksett could be so hard to remove on a direct thread can. I've removed Rocksett muzzle devices before, all it took was a bit more torque. I have a Saker-K direct thread in NFA jail that I was planning on Rocksetting to a dedicated upper, this thread changed my mind.

    Iraqgunz, in one of the replies you mentioned using blue locktite on a Gemtech direct thread can, and it never had problems. How much torque was used when mounting the can?

  10. #10
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    If all it took was a bit more torque to remove the device, then you applied the Rocksett wrong. When applied correctly and torqued to 28-30 ft/lb, it isn't budging ! But the beauty of Rocksett is if you soak it water for 8-12 hours, it breaks down...

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