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Posted: 8/21/2017 12:44:55 AM EST
I friend brought an LWRC M6(a2 ?) to me with with an adjustable gas block with various markings. Does anyone (beside LWRC) have an idea what the markings/settings are ? I will post pics shortly.
Link Posted: 8/21/2017 3:07:23 PM EST
[Last Edit: 8/21/2017 3:09:46 PM EST by mr_h]
my A3 upper has a 4 position dial....

C closed
A adverse
N normal
S suppressed
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