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20" Barrel, Adjustable gas block needed?
#6
So far I haven't found that a 6.5 Grendel needs an adjustable gas block, if the gas port is properly sized. I've built two 20" uppers and just received a LaRue 18" upper. All run fine and are well behaved without an adjustable gas block.
Cliff
USN Ret., FPD Ret.

Dues Vult
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20" Barrel, Adjustable gas block needed? - by cb4017 - 09-01-2017, 08:52 PM

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