Loc-tite and gas block

[jurassic]

Ok - This is not to recant my stated feelings on the matter, but here is some real world data (with pictures!).

I recently assembled another table gun, a BHW 5.56 with a 22" Match Bull barrel. Ordinarily, I use clamp on style gas blocks, but due to this build's lightweight hand guard's configuration, I had to go with a lowpro setscrew gas block. I'd decided (this one time) to seal it with loctite because I'd heard good stuff about it here and on other forums. Didn't know what to expect, as I'd not done it before. Last night, I removed the hand guard to gain access to the barrel nut (checking other aspects of the build) and found this.

Gas blow by from gas tube - NOT gas block.


Removed block shows absence of gas blow by at gas port.

The gas was escaping at both ends of the gas block at the tube, which I'd merely pinned in place, without any sealant.

I reapplied it, as I'd originally done.


Reinstalled the block...


I removed the excess, and buffed off the gas residue I'd forgotten to remove while I had the block off.

So, does it work? I think this would seem to indicate it does. Does it help with accuracy? I can't really say. Next post shows a group from the barrel.

I saw the same thing when I removed my handguard to clean the rifle. That is why I used loctite on the tube and not the gas block itself. Also wouldn't a leak free gas system give you more consistent pressure and velocity, helping with consistency? I'm pretty sure I read about the green loctite from something posted by Bill on this forum.

Why didn't you remove and loctite the gas tube since that's where you have the leak?