Kit #2. This one has some slight variances from the original one I posted pics of and is about 600,000 units apart from it (older).
Mold release circle mark on the opposite side on this gas block:
Very faint proof mark:
The trademark velvety gloss black Tula paint is most apparent on the smooth surface of the muzzle. Compare these pics with the other kit and will see differences on the molding of the FSB