Originally Posted by
Biggy
I have a Sionic’s 11.5” barrel on the way. I ordered it with a FSB and it has a .067” diameter gas port. They had a small run of these barrels they were testing with the .067”
gas port, and for my needs it should be perfect. I just like to have at least one of my AR’s to have a barrel mounted FSB. IMHO, besides having quality products at good prices, the people at Sionics Weapon Systems seem to be knowledgeable and squared away, easy to get a hold of and talk to and are very accommodating.
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