Quote:
Originally Posted by ATLRoach
I have a 16" AR with J&T 300Whisper Barrel(tight neck) gas block at Carbine w/ adjustable block.
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Good luck getting it to cycle subsonic. That is the same setup I am running. After several different powders, buffer weights, buffer springs, etc, I finally dropped back to a pistol length gas tube and it works perfectly.
EDIT: To stay on topic, I picked up a box of the 208 Amax quite a while ago. Now that I have mine cycling, I will let everyone know how the work for me.