12-18-2018, 04:22 PM
MarkS Wrote:I shoot my 12" PSA upper only with a can on it. I have the adjustable gas block turned all the way down and it functions as smooth as silk: light recoil and lock-back on last round.
This actually surprised me because I thought the gas block would shut off when turned all the way in, but it didn't.
The gas block should shut off when screwed all the way in. Your can must have enough gas blowback to cycle the bolt far enough back to lock, kinda cool, must be a smooth impulse.