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 Surefire muzzlebrake removal 
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Location: renton
Joined: Sat Nov 5, 2016
Posts: 9
Real Name: cisco
Hi. Does anyone locally have experience removing the surefire socom sfmb muzzlebrake that's been attached w/ rocksett. I need to take the 1 i currently have on an aero m5. I google it n found different ways. I have a regular vise. Need help. It won't budge. I bought the rifle used.


Wed Nov 02, 2022 6:23 pm
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Location: Oly
Joined: Thu Oct 4, 2012
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Interstingly enough, I had a nearly identical situation. On my gun, it was a Remington 700 based rifle in 308 with a Surefire brake that was put on with Rocksett.

I tried all the tricks. Heat, cold, boiling water, penetrating oil, shock, everything. My rifle was assembled by GA Precision, so I called George up and asked him what to do.

He told me I was fucked. If it's been on for more than a few hundred rounds of suppressed fire, it's stuck for good. He literally cuts them off, then recuts threads and a crown.

I didn't like that answer, so I used my Brownells Barrel Vise, and then rounded off the flats from wrenching so hard. After that, I used a pipe wrench and cheater bar. It came off, but stripped all the threads on both the barrel and brake, but now it's off... and now I gotta recut threads and crown.


Wed Nov 02, 2022 6:51 pm
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Location: Redmond
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jfc at that point why not just do a pin and weld.


Wed Nov 02, 2022 9:27 pm
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Soak it in cold water for several hours. Rocksett gets stronger when heated at all. I believe the manufacturer of Rocksett recommends soaking in water to release.


Thu Nov 03, 2022 9:22 am
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Location: Lake Stevens
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I’ve soaked it in boiling water and came off.


Thu Nov 03, 2022 11:49 am
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Location: Lynnwood and at large
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From Flexbar.com the makers of Rocksett:

https://cdn.shopify.com/s/files/1/0061/ ... c.pdf?2026

"The only way to break a proper Rocksett bond is to soak the part in hot water for 20 minutes or more
and then forcibly remove the components."

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Thu Nov 03, 2022 12:01 pm
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Location: Renton, WA
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Real Name: Steve
For some reason my searches for "brake" and "rocksett" failed, but I finally found this. :wink05:

viewtopic.php?f=40&t=43862&p=1305898#p1305898

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Thu Nov 03, 2022 5:04 pm
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Location: renton
Joined: Sat Nov 5, 2016
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Real Name: cisco
Thnx, everyone for all info. I soaked it in hot water for 1hr n was able to break it loose using a cheater bar. I'm just glad I got it done w/ out damaging anything. Thnx again.


Thu Nov 03, 2022 6:11 pm
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