03-10-2020, 05:23 PM
grayfox Wrote:Footnote guys: on Rocksett, I have used it successfully and also disassembled it successfully and used the parts again. There's a trick to it, suspend the piece with the rocksett portion submerged in water -- boiling or at 200+ deg, for 20-30 minutes, it will come apart like silly putty. It is a silicate type compound that crystallizes, that's what makes it "permanent" but will dissolve in hot water. Heat alone will not faze it as the crystalline structure goes to IDK 2000 deg or so...
But let the hot water seep down to it and bingo!
This. I've used this method once before on a buddy's personal Mk 18 after talking with the onsite armorers for the State Department DSS/MSD. They oversee hundreds of thousands of rounds in a short period and barrel swap on a regular basis. For removal of a Rocksett muzzle brake, they recommended boiling water, turning off the flame and then soaking the muzzle end of the barrel while occasionally rotating it in order to render the Rocksett pliable. After just under 10 minutes, I used a 1/2" drive 24" breaker bar and was pleasantly surprised at how easy it was to remove the muzzle brake.