AK670M-3-R AK670M-3-GR-R AK670M-3 AK670M-2-R AK670M-2-GR-R AK670M-2-5-R AK670M2-5-GR-R AK670M-2-3-R AK670M2-3-GR-R AK670M-2-2-R