Gunshoot

 var Bullet : Transform;
 var Spawn : Transform;
 var Power : float = 1000;

 function Update ()
 {
     if(Input.GetKeyDown("r"))
     {
         Shoot();
     }
 }

 function Shoot()
 {
     var pel = Instantiate(Bullet, Spawn.position, Spawn.rotation);
     pel.GetComponent.<Rigidbody>().AddForce(transform.right * Power);


 }