Found a crack on a brand new V-12, only had 10 rounds through it when I noticed the crack. It is on the weld between the front trunnion and the rear sight base. I dont know if all RPK sights are the way the V-12 is, the rear sight has a "T" shape protrusion that fits into a "T" shaped channel in the front sight base, and then they are welding the front to keep it from moving. The left side weld on mine looked pretty poor, I'm kind of surprised it made it through QC at Molot, there was a big weld void that cracked from the top about 1/2 way down. Interesting thing is that I saw the exact same c