It's an ass ache to remove a BCM build gas block. There's no worries about them holding up.
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It's an ass ache to remove a BCM build gas block. There's no worries about them holding up.
"You people have too much time on your hands." - scottryan
I saw in the MrGnG video above that there was a dimple for each set screw. I just did a rail swap and found only the rear one was dimpled. Upper was straight from BCM on s-i-l's rifle. His was a .750 instead of the .625, not sure if that's why the difference or not.
FWIW, I used a heat gun to break loose the loc-tite. While I don't think it would have ever come loose on its own, it wasn't that difficult to remove. About 3k through this one, which ain't exactly high round count..............
I've removed a few BCM gas blocks and 1) they are always a PITA and 2) I don't recall ever seeing a barrel with more than a single dimple.
Steve
Sorry if this comment is not related to BCM, but I've bought barrels that only had one dimple and I would make a second dimple. Not exactly sure why this is the case, but perhaps the dimple directly opposite of the GP is universal and the spacing to the second dimple is varied. For instance, I've seen some GB's that are .450" and I've seen some .400" (and maybe there are even more than that). But, at any rate, I would have thought the BCM product would have had two dimples.
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