Just documenting this for anyone with a similar problem.
- A Roll Pin will provide a really tight lock up for those using traditional handguards.
If using anything extended it would become a blind pin and I would not suggest using this unless you want to make the handguard on it permanent, or if you want to drill out a roll pin every time. Honestly I'd rather have a roll pin instead of a retaining lever but that is just me.
Here is the approach I'm taking. I don't have the means to silver sodder/weld.
It is able to withstand continuous heat exposure of 400ºF and intermittent heat exposure to 550ºF
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I know JB weld has no place on firearms.
But I don't see this as a huge deal/altercation. More or less using it as a filler/shim to tighten up the retaining channel. I would not recommend using this for other other applications on firearms.
Was watching some AKOU videos.
After 3 magazine dumps the temperature range was about:
Gas Block Temp: 325 Degrees
Muzzle Brake: 400 Degrees
Railed Gas Tube: 150 degrees
An AR15 after a 150 round dump was close to 550 degrees. I'm thinking this would be fine for my purposes.
I believe the RH10 has a pencil barrel of sorts. So i don't see myself doing mag dumps through it.
I used a center punch to peen the channel in a few spots, and hit it with some high grit sand paper. Wiped it down with alcohol wipe, used non chlorinated break cleaner to further degrease the area,
Basically I filled in the channel with high temperature putty. I plan on letting it cure, and I'll file it little by little until it fights nice and tight with the retainer. Will update tomorrow, takes 8 hours to cure but I'll give it 24. Also in a sense it is reversible if it came down to it. (how is it reversible? with a file and a steady hand.)
Edit: The JB weld did not work. Maybe I mixed it wrong, but it did not adhere to the barrel.
Oh well.