5.56 mm Light Machine Gun (LMG) Proper Fire Support A successful attempt to merge Russian reliability and serviceability with 5.56x45 ammunition for the benefit of users all over the world. The RPK-201 Light Machine Gun was designed on the basis of highly reliable gas-operated Kalashnikov system, which provides all the benefits of time and battle tested solutions for NATO 5.56x45mm ammunition. The LMG is light enough for the operator to use ...