Sorry Spook no accuracy reports yet but here is a picture of the little guy. I've opened up the gas port to .120 and put on a adjustable gas block. I've run 110/147/150/175/180/200/220/240 grain subsonic loads using 5 different powders that I have on hand. Adjusting the gas port 2 - 3 1/2 turns (depending on the load) and all the loads cycle with no issues with a 9mm can. This is roughly 1/2 to full open on the gas port. For the heavy loads of the powders that I have the best load seems to be 240 smk with 8.5 grain accurate #9 running right at 1000fps and making the least amount of noise. Lil Gun coming in second for the heavy bullets. For the real light bullets I tried IMI sr 4759. It is slightly slower than lilgun but takes up much more room in the case. It seems to work well so far but looks to be not as clean.
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