After showing-off my single shot Saiga 12 and still not hearing back from what appears to be the top 2 profilers that I've seen here(still waiting),I decited I might as well check the gas ports, It' sumthin I could do myself. GOOD IDEA ! I have 4 ports and drilled them out from about 065 to 078 (5/64). I used a 51,a 49,a48 and then a 5/64. It now shoots low brass flawlessly with a 20 round drum and a 10 round mag on setting 2. After shooting over 150 rounds I took it down, checked the ports and they were hardly dirty at all and the burrs from drilling the ports that I didn't have a good