diff --git a/server/gameserver/bullet.cc b/server/gameserver/bullet.cc
index be32e38f..cbdb3bff 100644
--- a/server/gameserver/bullet.cc
+++ b/server/gameserver/bullet.cc
@@ -898,3 +898,8 @@ float Bullet::GetHitRadius()
     }
     return gun_meta->bullet_rad();
 }
+
+const Position& Bullet::GetPos()
+{
+    return Entity::GetPos();
+}
diff --git a/server/gameserver/bullet.h b/server/gameserver/bullet.h
index 07916969..c3954a46 100644
--- a/server/gameserver/bullet.h
+++ b/server/gameserver/bullet.h
@@ -53,6 +53,7 @@ class Bullet : public MoveableEntity, public IBullet
     virtual bool IsPreBattleBullet();
     virtual Room* GetRoom() { return room; };
     virtual float GetHitRadius() override;
+    virtual const Position& GetPos() override;
 
 protected:
     Bullet();
diff --git a/server/gameserver/collision.cc b/server/gameserver/collision.cc
index cc747426..a478b849 100644
--- a/server/gameserver/collision.cc
+++ b/server/gameserver/collision.cc
@@ -1,10 +1,17 @@
 #include "precompile.h"
 
+#include <a8/collision.h>
+
 #include "collision.h"
+#include "creature.h"
 
 bool Collision::CheckBullet(IBullet* bullet, Creature* c)
 {
-    return false;
+    return a8::IntersectCylinderCylinder
+        (
+         bullet->GetPos().ToGlmVec3(), bullet->GetHitRadius(), 10,
+         c->GetPos().ToGlmVec3(), c->GetHitRadius(), 10
+         );
 }
 
 bool Collision::CheckBullet(IBullet* bullet, Entity* c)
diff --git a/server/gameserver/entity.h b/server/gameserver/entity.h
index 52347205..a53f2291 100644
--- a/server/gameserver/entity.h
+++ b/server/gameserver/entity.h
@@ -45,7 +45,7 @@ class Entity
     void BroadcastFullState(Room* room);
     void BroadcastDeleteState(Room* room);
     void RemoveFromAroundPlayers(Room* room);
-    const Position& GetPos() { return pos_; };
+    virtual const Position& GetPos() { return pos_; };
     Position& GetMutablePos() { return pos_; };
     virtual void SetPos(Position pos) { pos_ = pos; }
     EntityWeakPtrChunk* GetEntityWeakPtrChunk() { return &entity_weak_ptr_chunk_; };
diff --git a/server/gameserver/types.h b/server/gameserver/types.h
index 496b6258..4d3d9a3b 100644
--- a/server/gameserver/types.h
+++ b/server/gameserver/types.h
@@ -37,21 +37,6 @@ struct BulletCheckResult
     std::set<Entity*> objects;
 };
 
-class IBullet
-{
- public:
-    virtual float GetStrengthenWall() = 0;
-    virtual long long GetWeaponUniId() = 0;
-    virtual const mt::Skill* GetSkillMeta() = 0;
-    virtual const mt::Equip* GetGunMeta() = 0;
-    virtual const mt::Equip* GetBulletMeta() = 0;
-    virtual CreatureWeakPtr GetSender() = 0;
-    virtual CreatureWeakPtr GetPassenger() = 0;
-    virtual bool IsBomb() = 0;
-    virtual bool IsPreBattleBullet() = 0;
-    virtual Room* GetRoom() = 0;
-};
-
 class ITask
 {
  public:
@@ -99,3 +84,20 @@ struct Position
 
     const Position& AddGlmVec3(const glm::vec3& v);
 };
+
+class IBullet
+{
+ public:
+    virtual const Position& GetPos() = 0;
+    virtual float GetStrengthenWall() = 0;
+    virtual long long GetWeaponUniId() = 0;
+    virtual const mt::Skill* GetSkillMeta() = 0;
+    virtual const mt::Equip* GetGunMeta() = 0;
+    virtual const mt::Equip* GetBulletMeta() = 0;
+    virtual CreatureWeakPtr GetSender() = 0;
+    virtual CreatureWeakPtr GetPassenger() = 0;
+    virtual bool IsBomb() = 0;
+    virtual bool IsPreBattleBullet() = 0;
+    virtual Room* GetRoom() = 0;
+    virtual float GetHitRadius() = 0;
+};
diff --git a/server/gameserver/virtualbullet.cc b/server/gameserver/virtualbullet.cc
index 35ac274a..406a0df8 100644
--- a/server/gameserver/virtualbullet.cc
+++ b/server/gameserver/virtualbullet.cc
@@ -310,3 +310,8 @@ void VirtualBullet::GetHitCreatures(BulletCheckResult& result)
              }
          });
 }
+
+float VirtualBullet::GetHitRadius()
+{
+    return gun_meta->bullet_rad();
+}
diff --git a/server/gameserver/virtualbullet.h b/server/gameserver/virtualbullet.h
index 45aa2758..bbd30446 100644
--- a/server/gameserver/virtualbullet.h
+++ b/server/gameserver/virtualbullet.h
@@ -31,13 +31,14 @@ class VirtualBullet : public IBullet, public ITask
     virtual bool IsBomb() override;
     virtual bool IsPreBattleBullet() override;
     virtual Room* GetRoom() override;
+    virtual float GetHitRadius() override;
 
     virtual void Update(int delta_time) override;
     virtual bool IsDone() override;
 
     void Init();
     void SetPos(Position pos) { pos_ = pos; };
-    const Position& GetPos() { return pos_; };
+    virtual const Position& GetPos() override { return pos_; }
     Position& GetMutablePos() { return pos_; };
 
  private: