12-10-2013, 12:18 AM
He ordered a 20" RLGS, which doesn't gas hard like an 18" MLGS. I doubt he will ever need an adjustable, even with the suppressor.
Montana. Did you say the SLR adjustable fits under the MI Gen 2 SS? There are very few gas blocks that will work under that handguard, which I learned the hard way.
The reason to avoid adjustables if not necessary is the torch-like environment that is being created in the gas port of the barrel by choking it above with the set screw, which focuses the gas in that point, leading to early erosion. This is where getting a port cut to the optimal dimensions comes into play for me.
I have also found that my adjustable gas block set screws have become welded in place with carbon and heat. I've tried thin penetrating oil, but no dice. Maybe I need to heat them up.
Montana. Did you say the SLR adjustable fits under the MI Gen 2 SS? There are very few gas blocks that will work under that handguard, which I learned the hard way.
The reason to avoid adjustables if not necessary is the torch-like environment that is being created in the gas port of the barrel by choking it above with the set screw, which focuses the gas in that point, leading to early erosion. This is where getting a port cut to the optimal dimensions comes into play for me.
I have also found that my adjustable gas block set screws have become welded in place with carbon and heat. I've tried thin penetrating oil, but no dice. Maybe I need to heat them up.