M4A1

using UnityEngine;
using System.Collections;

public class M4A1 : MonoBehaviour {

    [Header("Animation Controller and Sounds")]
    public Animation weaponAnim;
    public AnimationClip fireAnim;
    public AnimationClip reloadAnim;
    public AudioSource weaponAudio;
    public AudioClip fireAudio;
    public AudioClip reloadAudio;

    [Header("Munition")]
    public GameObject bullet;
    public Transform barrel;
    public int clip = 5;
    public int munitionInClip = 30;
    public int startMunitionInClip = 30;

    void Start () {
        munitionInClip = startMunitionInClip;
    }

    void Update () {
        if (Input.GetButton("Fire1") && munitionInClip < 0 && !weaponAnim.isPlaying) {
            Shoot();
        }
    }

    void Shoot(){
        Debug.Log("Fired");
        Instantiate(bullet, barrel.position, barrel.rotation);
        munitionInClip--;
        weaponAnim.clip = fireAnim;
        weaponAnim.Play();
        weaponAudio.clip = fireAudio;
        weaponAudio.Play();
    }
}