diff --git a/src/main/java/com/atsuishio/superbwarfare/event/GunEventHandler.java b/src/main/java/com/atsuishio/superbwarfare/event/GunEventHandler.java
index 2153ffafb..890d15cf7 100644
--- a/src/main/java/com/atsuishio/superbwarfare/event/GunEventHandler.java
+++ b/src/main/java/com/atsuishio/superbwarfare/event/GunEventHandler.java
@@ -678,8 +678,9 @@ public class GunEventHandler {
         // 三阶段
         if ((tag.getInt("iterative") == 1 && tag.getInt("reload_stage") == 3) || tag.getBoolean("force_stage3_start")) {
             tag.putBoolean("force_stage3_start", false);
-            tag.putInt("finish", (int) tag.getDouble("finish_time") + 2);
-            player.getCooldowns().addCooldown(stack.getItem(), (int) tag.getDouble("finish_time") + 2);
+            int finishTime = GunsTool.getGunIntTag(stack, "FinishTime", 0);
+            tag.putInt("finish", finishTime + 2);
+            player.getCooldowns().addCooldown(stack.getItem(), finishTime + 2);
             playGunEndReloadSounds(player);
         }
 
diff --git a/src/main/java/com/atsuishio/superbwarfare/tools/GunsTool.java b/src/main/java/com/atsuishio/superbwarfare/tools/GunsTool.java
index beb99b0f4..f8d089cbc 100644
--- a/src/main/java/com/atsuishio/superbwarfare/tools/GunsTool.java
+++ b/src/main/java/com/atsuishio/superbwarfare/tools/GunsTool.java
@@ -57,7 +57,7 @@ public class GunsTool {
     private static final Set<String> STRING_SET = Set.of("EmptyReloadTime", "FireMode", "Weight", "SoundRadius", "BurstSize", "ProjectileAmount",
             "Spread", "NormalReloadTime", "Headshot", "Semi", "Burst", "Auto", "RecoilX", "RecoilY", "Velocity", "Damage", "BypassesArmor",
             "RPM", "Magazine", "MinZoom", "MaxZoom", "CustomZoom", "ExplosionDamage", "ExplosionRadius", "BoltActionTime", "ClipLoad",
-            "PrepareTime", "IterativeTime", "PrepareLoadTime");
+            "PrepareTime", "IterativeTime", "PrepareLoadTime", "FinishTime");
 
     public static void initGun(Level level, ItemStack stack, String location) {
         if (level.getServer() == null) return;
diff --git a/src/main/resources/data/superbwarfare/guns/k_98.json b/src/main/resources/data/superbwarfare/guns/k_98.json
index 1427dab1f..ce71a4b68 100644
--- a/src/main/resources/data/superbwarfare/guns/k_98.json
+++ b/src/main/resources/data/superbwarfare/guns/k_98.json
@@ -14,7 +14,7 @@
   "ClipLoad": 1,
   "PrepareTime": 29,
   "IterativeTime": 11,
-  "finish_time": 18,
+  "FinishTime": 18,
   "BypassesArmor": 0.5,
   "SoundRadius": 18
 }
\ No newline at end of file
diff --git a/src/main/resources/data/superbwarfare/guns/m_870.json b/src/main/resources/data/superbwarfare/guns/m_870.json
index a537ffdef..0302bcb45 100644
--- a/src/main/resources/data/superbwarfare/guns/m_870.json
+++ b/src/main/resources/data/superbwarfare/guns/m_870.json
@@ -13,7 +13,7 @@
   "PrepareTime": 7,
   "PrepareLoadTime": 36,
   "IterativeTime": 16,
-  "finish_time": 12,
+  "FinishTime": 12,
   "BypassesArmor": 0.05,
   "SoundRadius": 16,
   "BoltActionTime": 11
diff --git a/src/main/resources/data/superbwarfare/guns/marlin.json b/src/main/resources/data/superbwarfare/guns/marlin.json
index c20870207..9092f29d6 100644
--- a/src/main/resources/data/superbwarfare/guns/marlin.json
+++ b/src/main/resources/data/superbwarfare/guns/marlin.json
@@ -11,7 +11,7 @@
   "Semi": 1,
   "PrepareTime": 7,
   "IterativeTime": 16,
-  "finish_time": 19,
+  "FinishTime": 19,
   "BypassesArmor": 0.3,
   "SoundRadius": 15,
   "BoltActionTime": 12
diff --git a/src/main/resources/data/superbwarfare/guns/mosin_nagant.json b/src/main/resources/data/superbwarfare/guns/mosin_nagant.json
index d6a4eec2f..ae6c88e90 100644
--- a/src/main/resources/data/superbwarfare/guns/mosin_nagant.json
+++ b/src/main/resources/data/superbwarfare/guns/mosin_nagant.json
@@ -14,7 +14,7 @@
   "PrepareTime": 29,
   "prepare_empty": 16,
   "IterativeTime": 11,
-  "finish_time": 18,
+  "FinishTime": 18,
   "BypassesArmor": 0.54,
   "SoundRadius": 18
 }
\ No newline at end of file