Where to find the russhian gun in Metal Gear Solid sons of liberty?

In Metal Gear Solid 2: Sons of Liberty, the Russian gun, also known as the Makarov pistol, can be found in the Tanker Chapter. Specifically, you can locate it in the area where you first encounter the guard in the cargo hold. After you take out the guard, check the area for the Makarov on the ground. Make sure to explore thoroughly, as the gun is not in an obvious location.