Start() not firing when switching guns

I currently have a ak47 weapons class for shooting, animations, etc I also have a mk11 sniper class for the same reasons.

I have a weapons switching script that seems to be buggy. In my weapons switching script i have an array for the guns. I start with no weapon and i can select 2 on the keyboard and the ak47 shows up and start fires() in the ak47 class then i can select key 4 for the sniper and start fires(). This is where it gets interesting. When i then select 2 the start does not fire but the gun(ak47) is selected. I can then fire the gun and everything updates. when the ak47 is selected and i hit 4 the sniper is loaded but the start is not fired. I even added a print() in the start to see when its being fired.

My hierarchy: FPS first person controller. parented to that is a blank object "WeaponCameraRoot" parented to that is my weapons camera. Parented to that is a blank object called "PlayerWeapons" its children are my weapons.

I have the weapons select script attached to the blank object "PlayerWeapons" that the parent of my weapons.

Here is my weapons select script

 public class WeaponsSelect : MonoBehaviour {
     
     public GameObject[] weapons;
     public int selectedWeapon; 
 
     
     void Start () {
     
         SelectWeapon(0);
         selectedWeapon = 0;
         
     }
     
     
     void Update () {
         
     
         if(Input.GetKeyDown("1") && selectedWeapon != 1){
             if(selectedWeapon < 1)
             {
                 SelectWeapon(0);
                 selectedWeapon = 1;
             }
         }
         
         else if(Input.GetKeyDown("2")&& selectedWeapon != 2){
             SelectWeapon(1);
             selectedWeapon = 2;
         }
         
         else if(Input.GetKeyDown("3")&& selectedWeapon != 3){
             SelectWeapon(2);
             selectedWeapon = 3;
         }
         
         else if(Input.GetKeyDown("4")&& selectedWeapon != 4)
         {
             SelectWeapon(3);
             selectedWeapon = 4;
         }
     }
 
 
 
     private void SelectWeapon(int index)
     {
         foreach(GameObject obj in weapons)obj.SetActiveRecursively(false);
         weapons[index].gameObject.SetActiveRecursively(true);
     }
 }

I dont think theres a need to show you all the ak47 class.

     void Start () {
         
         print ("start called");
         anim = (AK47_animations)FindObjectOfType(typeof(AK47_animations));
         bulletsLeft = bulletsPerClip;
         audio.clip = load;
         audio.Play();
         
         Gui ();
         // MuzzleFlash.enabled = false;
          //muzzleLight.enabled = false;
     
     }

For some reason it will let me switch out the guns but the start() in each class only works once..

What can i do?