I have a Saiga 7.62 x 39 MK which is the Kalashnikov 104. Was a bit worried when I saw the neck expansion. However here in UK at my range we are not allowed to fire above a certain muzzle velocity, so had reduced the charge to give 1300 ft/sec, so knew it was not an overcharge. Measured at 12 thou. Saw in the manual that this was a requirement to identify civilian versus military AK's.
Fine, I can remove the expansion but do not choose to do so. The power required to expand the neck portion is wasted power. I leave the expansion and neck only so far. Hence it will fit the chamber exactly a
