diff --git a/Assets/02_Scripts/WeaponController.cs b/Assets/02_Scripts/WeaponController.cs
index 0c6f718..90e0a51 100644
--- a/Assets/02_Scripts/WeaponController.cs
+++ b/Assets/02_Scripts/WeaponController.cs
@@ -2,6 +2,7 @@ using System.Collections;
 using System.Collections.Generic;
 using UnityEngine;
 using Unity.Cinemachine;
+using System;
 
 [RequireComponent(typeof(AudioSource))]
 public class WeaponController : MonoBehaviour
@@ -37,6 +38,26 @@ public class WeaponController : MonoBehaviour
 
             // 타격감 연출
             impluse.GenerateImpulse();
+
+            StartCoroutine(ShowMuzzleFlash());
         }
     }
+
+    IEnumerator ShowMuzzleFlash()
+    {
+        //MuzzleFlash 활성화
+        muzzleFlash.enabled = true;
+
+        // Waiting...
+        yield return new WaitForSeconds(0.2f);
+
+        //MuzzleFlash 비활성화
+        muzzleFlash.enabled = false;
+    }
 }
+
+/*
+    Co-routine 코루틴 <> 멀티 스레드
+
+
+*/