Here is a picture of what the bulged case looks like from a Saiga made for the Russian market. The bulge is a lot higher on the case than the OP's gun. The picture is also of a 7.62 variant. Allegedly those were never supposed to make it to the US market.
Does your Saiga do this to brass? - TheFiringLine Forums
Regardless a military AK-74 barrel should not do that, but I stand by what I saw on a Waffen AK-74 at the 1500. The back of the chamber looked chewed up on the back. I did not look at the actual chamber itself to see if it was also messed up.
Does your Saiga do this to brass? - TheFiringLine Forums
Regardless a military AK-74 barrel should not do that, but I stand by what I saw on a Waffen AK-74 at the 1500. The back of the chamber looked chewed up on the back. I did not look at the actual chamber itself to see if it was also messed up.