AK670M/2-2 AK670M/2-2-GR AK670M/2-2-GR-R AK670M/2-2-R AK670M/2-3 AK670M/2-3-GR AK670M/2-3-GR-R AK670M/2-3-R AK670M/2-5 AK670M/2-5-GR