diff --git a/Resources/Prototypes/Damage/modifier_sets.yml b/Resources/Prototypes/Damage/modifier_sets.yml
index 6e8a8b848f..97d82cadc8 100644
--- a/Resources/Prototypes/Damage/modifier_sets.yml
+++ b/Resources/Prototypes/Damage/modifier_sets.yml
@@ -9,6 +9,18 @@
     Blunt: 5
     Heat: 5
 
+- type: damageModifierSet
+  id: PerforatedMetallic
+  coefficients:
+    Blunt: 2
+    Slash: 0.6
+    Piercing: 0.2
+    Shock: 1.2
+  flatReductions:
+    Blunt: 5
+    Heat: 5
+    Piercing: 10
+
 # Like metallic, but without flat reduction so it can be damaged with fists.
 - type: damageModifierSet
   id: FlimsyMetallic
diff --git a/Resources/Prototypes/Entities/Objects/Weapons/Guns/Ammunition/Projectiles/antimateriel.yml b/Resources/Prototypes/Entities/Objects/Weapons/Guns/Ammunition/Projectiles/antimateriel.yml
index 02157e3bb8..5cfa562444 100644
--- a/Resources/Prototypes/Entities/Objects/Weapons/Guns/Ammunition/Projectiles/antimateriel.yml
+++ b/Resources/Prototypes/Entities/Objects/Weapons/Guns/Ammunition/Projectiles/antimateriel.yml
@@ -8,3 +8,4 @@
     damage:
       types:
         Piercing: 49
+        Structural: 30
diff --git a/Resources/Prototypes/Entities/Structures/Walls/grille.yml b/Resources/Prototypes/Entities/Structures/Walls/grille.yml
index cb5a919306..267a06d24f 100644
--- a/Resources/Prototypes/Entities/Structures/Walls/grille.yml
+++ b/Resources/Prototypes/Entities/Structures/Walls/grille.yml
@@ -32,7 +32,7 @@
       deconstructionTarget: start
     - type: Damageable
       damageContainer: Inorganic
-      damageModifierSet: FlimsyMetallic
+      damageModifierSet: PerforatedMetallic
     - type: PowerConsumer
       showInMonitor: false
     - type: Electrified
@@ -66,13 +66,13 @@
       thresholds:
         - trigger:
             !type:DamageTrigger
-            damage: 50 #excess damage (nuke?). avoid computational cost of spawning entities.
+            damage: 130 #excess damage (nuke?). avoid computational cost of spawning entities.
           behaviors:
             - !type:DoActsBehavior
               acts: ["Destruction"]
         - trigger:
             !type:DamageTrigger
-            damage: 20
+            damage: 100
           behaviors:
             - !type:ChangeConstructionNodeBehavior
               node: grilleBroken