The 5.56x45 mm AR- M4SF is a highly effective automatic weapon designed for the antipersonnel role.The weapon can be used for the armament of heavy combat equipment crews, reconnoitring detachments, special antiterrorist and police troops and security services. The system is operated on propellant gasses diverted through a vent in the barrel.The barrel chamber is closed by turn of the bolt, engaging the bolt lugs in the receiver. The receiver is made of hot die forged solid blank followed by milling operations.The weapon is fed from a 30-round curved staggered magazine, manufactured from glass fiber reinforced polycaproamide.For a quick target acquisition at low - light conditions you can use Tritium Self-illuminated Night Sight (3-dot sight system). If necessary you can use a built-in Tactical Flashlight for target lightening. A special sight carrying plate enables you to attach a Passive Collimator Sight MK-30, Optical Sight or Night Vision Device to make firing more precise.
The lower hand guard and the upper hand guard and pistol grip are made from glass fiber reinforced polycaproamide.
A right side folding metal butt and a shortened barrel are fitted to the rifle so the construction generally features a basic individual weapon of assault and special task groups. An additional left-hand fire selector switch is available for rapid fire mode changing for the convenience of left-hand shooters. As a weapon used by the special forces it is equipped with a new type of sling that helps you carry it during combat operations, for rapid opening of fire at marching position, as well as for fast changing of one weapon with another. Each Weapon is equipped with a rail for any kind of sighting devices. The weapon fires 5,56 mm cartridges (5.56x45 mm). 5.56 mm AR-M4SF has a metal side folding butt.