[Zurkiba]

If you're going to introduce guns on 2k2, then two things need to be done

Highly inacurrate (It wont go straight, it'll go in a random angle)
Slow reload (You'd have to put in the powder, soak the patch, ram the ball, and light the fuse.

Materials needed would be like 4 iron, 1 diamond, 2 gold, one cloth.

Then I believe that a good supply of sulfur and balls would be needed o.o