The PM md. 63 (short for Pistol Mitralieră model 1963) is a Romanian clone of the Soviet AKM assault rifle. It was adopted in 1963 by the Romanian army. The main difference of the PM md. 63 is that it has a wooden foregrip attached under the wooden handguard.
The PM md. 65 (short for Pistol Mitralieră model 1965) is the underfolding stock version of the PM md. 63.
In the early 1960s, the Romanian Army used mostly PPSh-41, Oriţă submachine guns and imported AK-47 assault rifles. With the developement of the stamped AKM receiver, and the Soviet Union's call to each of the Warsaw Pact's nations to produce their own assault rifles chambered in 7.62mm, be they AK-47 pattern or not, the Romanian State Arsenal developed an AKM clone featuring a forward curved handgrip molded into the lower handguard, called the PM md. 63. The PM md. 65, in order to fully accommodate the underfolding stock, has a rear curved handgrip.
The PM md. 63/65 is almost identical to the AKM/AKMS, and thus is simple, inexpensive to manufacture, and easy to clean and maintain. The bore and chamber, as well as the gas piston and the interior of the gas cylinder, are generally chromium-plated. This plating dramatically increases the life of these parts by resisting corrosion and wear. Most PM md. 63/65 rifles don' have a muzzle break, but a muzzle nut, as muzzle breaks entered production in the late 70s. The navy version of the PM md. 65 uses black polymer furniture.
Dismantling the md. 63/65 is identical to dismantling the AK-47 and it involves the operator depressing the magazine catch and removing the magazine. The charging handle is pulled to the rear and the operator inspects the chamber to verify the weapon is unloaded. The operator presses forward on the retainer button at the rear of the receiver cover while simultaneously lifting up on the rear of the cover to remove it. The operator then pushes the spring assembly forward and lifts it from its raceway, withdrawing it out of the bolt carrier and to the rear. The operator must then pull the carrier assembly all the way to the rear, lift it, and then pull it away. The operator removes the bolt by pushing it to the rear of the bolt carrier; rotating the bolt so the camming lug clears the raceway on the underside of the bolt carrier and then pulls it forward and free. When cleaning, the operator will pay special attention to the barrel, bolt face, and gas piston, then oil lightly and reassemble.
Democratic Republic of the Congo