public class Pistol : Gun
{
    void Start()
    {
        speed = 20f;
        damage = 25;
        coolDown = 1.25f;
    }

    protected override void OnShoot()
    {
        var bul = Instantiate(bullet, riffleStart.transform.position,
            transform.rotation);
        bul.GetComponent<Bullet>().setDirection(transform.forward);
        bul.GetComponent<Bullet>().MakeNewBullet(20,25);
    }
}