New .22 Streamline!

Yes love the SL FX should have kept it as they have done the Royales. The Rowan SST uses a set screw to keep it securely in place so if you prefer to only use that you will really like it I go back and forth between that and the magazine since I hunt with it as well. I also plan and putting a huma reg in mine with the XL plenum as well which I think will be a nice upgrade for it as well. I prefer the easy adjustability of the huma's over the OEM FX ones. 

Enjoy your SST!