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Is there a better precision QD mount than the Thunderbeast CB2?

pangris

pangris

I see infrared radiation
Full Member
Minuteman
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    • Feb 25, 2006
    397
    431
    LA/TX
    #1
    I have some HUB compatible cans and I'm considering putting QD mount housings in them -

    In June of 2025, is there a better/more repeatable mount than the Thunderbeast CB2?

    These are all precision-ish rifles that we want to be good out to 600.

    1750429225941.png
     
    #2
    I have been very Happy with my PlanB style mounts. I have no issues on my Howa 1500 or my AR10. I use the Rearden XL hub adaptor with a couple Rearden and LPM adaptors. Plus there are tons of flash hider / brakes to choose from.
     
    #3
    So this is that pattern as well correct?

    noveske.com

    THE NOVESKE PIG PEN | Noveske Rifleworks

    The Pig Pen is compatible with any suppressor featuring the 1x16 left-hand thread QD, recently made open source by CAT. Two length options available, both offered in 1/2x28 and 5/8x24 thread pitches: Short - 1.93” - 2.4oz Long - 2.20” - 2.9oz (can be pinned/welded onto your 14.5" barrel to…
    noveske.com noveske.com
     
    #4
    pangris said:
    So this is that pattern as well correct?

    noveske.com

    THE NOVESKE PIG PEN | Noveske Rifleworks

    The Pig Pen is compatible with any suppressor featuring the 1x16 left-hand thread QD, recently made open source by CAT. Two length options available, both offered in 1/2x28 and 5/8x24 thread pitches: Short - 1.93” - 2.4oz Long - 2.20” - 2.9oz (can be pinned/welded onto your 14.5" barrel to…
    noveske.com noveske.com
    Click to expand...

    Plan B style mounts are 0.9"-24

    The Noveske is not the same as Plan b
     
    #6
    pangris said:
    I have some HUB compatible cans and I'm considering putting QD mount housings in them -

    In June of 2025, is there a better/more repeatable mount than the Thunderbeast CB2?

    These are all precision-ish rifles that we want to be good out to 600.

    View attachment 8712234
    Click to expand...
    I believe any muzzle device with the threads before the taper is more susceptible to gumming up with carbon. I think that’s why TBAC’s own SR brakes have the threads after the taper.

    I think it’d be cool if TBAC released a Hub SR adapter, with or without the lock.

    1750436829206.jpeg

    TBAC SR mount above
     
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    #10
    My main complaint with CB, which I use and have several of, is that (probably user/install error) they come off with the f'n can and in same cases have simply become direct thread. I've tried rocksett etc but as of yet I've yet to feel secure in the belief there is no chance I'm going to pull a mount with the can outside JB Cold weld, which I have not resorted to but have considered using maybe just a dab...

    If all CB mounts had flats on the rear I wouldn't even consider another system. Since they don't, if I could HUB them all, I might...
     
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    #12
    pangris said:
    My main complaint with CB, which I use and have several of, is that (probably user/install error) they come off with the f'n can and in same cases have simply become direct thread. I've tried rocksett etc but as of yet I've yet to feel secure in the belief there is no chance I'm going to pull a mount with the can outside JB Cold weld, which I have not resorted to but have considered using maybe just a dab...

    If all CB mounts had flats on the rear I wouldn't even consider another system. Since they don't, if I could HUB them all, I might...
    Click to expand...
    I've had that happen before. I started putting a dab of anti-seize occasionally and have not had it happen sense.
     
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    #14
    pangris said:
    So this is that pattern as well correct?

    noveske.com

    THE NOVESKE PIG PEN | Noveske Rifleworks

    The Pig Pen is compatible with any suppressor featuring the 1x16 left-hand thread QD, recently made open source by CAT. Two length options available, both offered in 1/2x28 and 5/8x24 thread pitches: Short - 1.93” - 2.4oz Long - 2.20” - 2.9oz (can be pinned/welded onto your 14.5" barrel to…
    noveske.com noveske.com
    Click to expand...

    No that is a 1X16 LH thread for the QD with a tapered mounting surface.

    Similar in concept to the HUXWRX QD mount, but C.A.T. released their QD as open source so there are a few different manufacturers turning out a variety of QD muzzle devices for them.

    Nice thing with a left hand thread, when you go to remove the suppressor it will tighten the muzzle device onto the barrel so the QD mount doesn’t spin off with the suppressor.

    Superior in concept to any of the right hand thread QD mounts.

    Compatible with C.A.T., CGS, and Kobalt Kinetics suppressors.

    I pick up a C.A.T. JL here next week that is a QD model I’ll report back once I hit the range with it.
     
    #15
    There are a lot of really good mounting solutions these days.

    I don't think anyone has done comprehensive scientific testing on these mounts to see which ones return to zero the best. I'm kind of surprised that no one has done this.

    Salmon River Solutions makes a mount that has an interface to allow it to be removed should it become jammed in your can. These guys make stuff so i'm confident that the brake will be made to spec but I have no first hand experience.


    I have yet to have an issue with my CB brakes. I keep them lubed during use and break them free after every range session to avoid seizing.
     
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    #16
    pangris said:
    If all CB mounts had flats on the rear I wouldn't even consider another system. Since they don't, if I could HUB them all, I might...
    Click to expand...
    FYI if you are not set on a brake, TBAC makes exactly one CB muzzle device with some wrench flats; this flash hider:
    1750515766878.jpeg


    It’s down a ways on that page. I think it’s weird that their other CB muzzle devices don’t have flats.

    Edit: upon reflecting, the only reason I can think of for the lack of CB wrench flats is they wanted a “dual use” ability without making the can longer. As in, suppressor QD when leaving the CB device on the gun, and direct thread if you red loctite (or carbon lock) the CB device into the can.

    Edit #2: Note that TBAC has told me that the direct thread version of an Ultra 9 is just red loctiting a CB brake in the can. I do think it would’ve been wise to have a thin wrench flat on there anyway.
     
    Last edited:
    • Like
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    #17
    Magsz18 said:
    There are a lot of really good mounting solutions these days.

    I don't think anyone has done comprehensive scientific testing on these mounts to see which ones return to zero the best. I'm kind of surprised that no one has done this.

    Salmon River Solutions makes a mount that has an interface to allow it to be removed should it become jammed in your can. These guys make stuff so i'm confident that the brake will be made to spec but I have no first hand experience.


    I have yet to have an issue with my CB brakes. I keep them lubed during use and break them free after every range session to avoid seizing.
    Click to expand...
    Huh. I didn’t know a Banish 30 Gold and TBAC CB suppressor can use the same CB muzzle device. Cool. My brother own the Banish so I’ll have to let him know.
     
    #18
    pangris said:
    My main complaint with CB, which I use and have several of, is that (probably user/install error) they come off with the f'n can and in same cases have simply become direct thread. I've tried rocksett etc but as of yet I've yet to feel secure in the belief there is no chance I'm going to pull a mount with the can outside JB Cold weld, which I have not resorted to but have considered using maybe just a dab...

    If all CB mounts had flats on the rear I wouldn't even consider another system. Since they don't, if I could HUB them all, I might...
    Click to expand...
    Just pin and weld the brake. No mo sticky to the can.
     
    #22
    carbonbased said:
    FYI if you are not set on a brake, TBAC makes exactly one CB muzzle device with some wrench flats; this flash hider:
    View attachment 8712728

    It’s down a ways on that page. I think it’s weird that their other CB muzzle devices don’t have flats.

    Edit: upon reflecting, the only reason I can think of for the lack of CB wrench flats is they wanted a “dual use” ability without making the can longer. As in, suppressor QD when leaving the CB device on the gun, and direct thread if you red loctite (or carbon lock) the CB device into the can.

    Edit #2: Note that TBAC has told me that the direct thread version of an Ultra 9 is just red loctiting a CB brake in the can. I do think it would’ve been wise to have a thin wrench flat on there anyway.
    Click to expand...
    I have those in 1/2x28, but I don't think they make them in 5/8.

    The salmon river set up is only frustrating in that I have ... enough... TB mounts. Its all I have in me not to sell every one of them and upgrayyedd.
     
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    #23
    Aftermath said:
    Just pin and weld the brake. No mo sticky to the can.
    Click to expand...
    You can't P&W a CB without the flats, or maybe I should say TB doesn't suggest it. There isn't a good flat area to get straight into. I'm sure a master machinist would shrug and do a good job, but it would cost more than the mount and alter the bbl without good cause.

    ETA - I'm talking about these, not the flash hiders with flats on the back
    1750604632413.png
     
    Last edited:
    • Haha
    Reactions: Aftermath
    #28
    pangris said:
    You can't P&W a CB without the flats, or maybe I should say TB doesn't suggest it. There isn't a good flat area to get straight into. I'm sure a master machinist would shrug and do a good job, but it would cost more than the mount and alter the bbl without good cause.
    Click to expand...
    I get by with a simple drill press and little Harbor Freight Tig machine.
     
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    #36
    Rob01 said:
    Have you tried Rocksett yet?
    Click to expand...
    Yes. After that failed, I recently got some stuff that is supposed to be like Rocksett +, requires heat to cure - "Hot LocK" - but I haven't gotten around to doing anything semi-permanent between work and family.

    I hate timed brakes/mounts, but I have a lot of them.
     
    • Like
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    #38
    pangris said:
    Yes. After that failed, I recently got some stuff that is supposed to be like Rocksett +, requires heat to cure - "Hot LocK" - but I haven't gotten around to doing anything semi-permanent between work and family.

    I hate timed brakes/mounts, but I have a lot of them.
    Click to expand...

    Crazy that Rocksett didn’t work. It usually holds really good. Did you clean and fully degrease the muzzle threads and inside the brake? I use 91% alcohol and it gets it pretty dry and clean. The Xeno having the left tighten and right loosen and not having to be timed is what made me try them from the get go. Not as good as a straight brake but does lessen recoil when not using the can.
     
    #40
    wind gypsy said:
    I dont get it. Why spend a bunch of money on hub mounts and muzzle devices when you can just direct thread them on usually without blowing $300 on a muzzle device and compatible hub mount.
    Click to expand...
    Simple, my suppressors get moved around, have different muzzle threads and I much prefer NOT direct threading. I much prefer a QD mount and also the cost of a muzzle device is cheaper than new muzzle threads.
     
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    #41
    oldrifleman said:
    Simple, my suppressors get moved around, have different muzzle threads and I much prefer NOT direct threading. I much prefer a QD mount and also the cost of a muzzle device is cheaper than new muzzle threads.
    Click to expand...

    Same here. That’s why I use them on my ARs as they are different threads and swapping DT hub mounts gets old fast. My bolt guns are all 5/8-24 so they get DT.
     
    #42
    wind gypsy said:
    I dont get it. Why spend a bunch of money on hub mounts and muzzle devices when you can just direct thread them on usually without blowing $300 on a muzzle device and compatible hub mount.
    Click to expand...
    I see the mount as a thread protector for the barrel - these are going on higher dollar barrels - and they also get moved around a bit,

    If the HPA passes, I am likely to bit the bullet and get a couple more so there is no moving around.

    RE Rocksett - I thought I cleaned it, alcohol, brake cleaner, scrubbed with stiff bristle brushes 🤷‍♀️
     
    Last edited:
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