The assault rifles 7.62 mm AR-M1F41 belongs to the firearms whose action is based on the principle of conveying a part of the powder gases through a special port in the wall of the stationary barrel and their influence onto the bolt frame.
The weapon is characterized by milled receiver made according to the method of hot die forging.
The barrel chamber is closed by turn of the bolt and engaging the firing stops in the receiver.
The weapon is fed from a 30-round arcuated staggered black polymer magazine.  
The sigh consists of sectors marked for shooting at a distance of up to 800 m.
The hammer-trigger mechanism has a hammer, which is activated by firing spring. This mechanism has a safety device-safety for setting from single to automatic fire mode as well as contrariwise. The safety simultaneously serves as well as a safety level preventing the accidental shoots. It is located on the right hand side of the receiver and is formed as a long pivoted lever. When set in the utmost upper position the trigger is blocked. In this position the safety serves two other functions:
          -  prevents contaminating of the receiver through the bolt carrier handle slot in the receiver cover;
          -  prevents from reloading the barrel chamber.
The lower hand guard and the upper hand guard are made of highly strong and hardy black polymer..
7.62 mm AR-M1F41 has right-side folding butt.
The Assault Rifle design allows the attachment of 40x46mm ARSENAL UBGL-M6,
40mm ARSENAL UBGL or GP-25 KASTYOR Underbarrel Grenade Launchers, and firing with them.

Extras-Paid separately
- luminous spots on the sights;
- front sight adjusting kit ( in the ratio 1:10);
- set for magazines coupling;
- blank fire attachment;
- rail for night optical sight;
- knife scissors;
- left fire mode selector lever;