diff --git a/packages/core/src/blitzkit/resolvePenetrationCoefficient.ts b/packages/core/src/blitzkit/resolvePenetrationCoefficient.ts
index 9b1b5d474..da3b644be 100644
--- a/packages/core/src/blitzkit/resolvePenetrationCoefficient.ts
+++ b/packages/core/src/blitzkit/resolvePenetrationCoefficient.ts
@@ -1,16 +1,21 @@
-import { ShellType } from "../protos";
+import { Equalizer, ShellType } from "../protos";
 
 export function resolvePenetrationCoefficient(
   calibratedShells: boolean,
+  equalize: boolean,
   type: ShellType,
+  equalizerObj?: Equalizer,
 ) {
-  if (!calibratedShells) return 1;
+  const calibrated = calibratedShells
+    ? type === ShellType.SHELL_TYPE_AP
+      ? 1.08
+      : type === ShellType.SHELL_TYPE_APCR
+        ? 1.05
+        : type === ShellType.SHELL_TYPE_HEAT
+          ? 1.13
+          : 1.08
+    : 1;
+  const equalizer = (equalize ? equalizerObj?.penetration : undefined) ?? 1;
 
-  return type === ShellType.SHELL_TYPE_AP
-    ? 1.08
-    : type === ShellType.SHELL_TYPE_APCR
-      ? 1.05
-      : type === ShellType.SHELL_TYPE_HEAT
-        ? 1.13
-        : 1.08;
+  return calibrated * equalizer;
 }
diff --git a/packages/website/src/components/Armor/components/PrimaryArmorSceneComponent/index.tsx b/packages/website/src/components/Armor/components/PrimaryArmorSceneComponent/index.tsx
index 0daf46b1d..fe90d75fb 100644
--- a/packages/website/src/components/Armor/components/PrimaryArmorSceneComponent/index.tsx
+++ b/packages/website/src/components/Armor/components/PrimaryArmorSceneComponent/index.tsx
@@ -151,7 +151,12 @@ export function PrimaryArmorSceneComponent({
 
       material.uniforms.penetration.value =
         penetration *
-        resolvePenetrationCoefficient(hasCalibratedShells, shell.type) *
+        resolvePenetrationCoefficient(
+          hasCalibratedShells,
+          Duel.state.equalize,
+          shell.type,
+          Duel.state.antagonist.tank.equalizer,
+        ) *
         equalize;
 
       if (!noInvalidate) invalidate();
diff --git a/packages/website/src/components/Armor/components/SpacedArmorSceneComponent/components/SpacedArmorSubExternal/index.tsx b/packages/website/src/components/Armor/components/SpacedArmorSceneComponent/components/SpacedArmorSubExternal/index.tsx
index 36edc60d9..9adbf0cef 100644
--- a/packages/website/src/components/Armor/components/SpacedArmorSceneComponent/components/SpacedArmorSubExternal/index.tsx
+++ b/packages/website/src/components/Armor/components/SpacedArmorSceneComponent/components/SpacedArmorSubExternal/index.tsx
@@ -85,7 +85,12 @@ export function SpacedArmorSubExternal({
 
       material.uniforms.penetration.value =
         penetration *
-        resolvePenetrationCoefficient(hasCalibratedShells, shell.type) *
+        resolvePenetrationCoefficient(
+          hasCalibratedShells,
+          Duel.state.equalize,
+          shell.type,
+          Duel.state.antagonist.tank.equalizer,
+        ) *
         equalize;
     }
 
diff --git a/packages/website/src/components/Armor/components/SpacedArmorSceneComponent/components/SpacedArmorSubSpaced/index.tsx b/packages/website/src/components/Armor/components/SpacedArmorSceneComponent/components/SpacedArmorSubSpaced/index.tsx
index fa1a6007e..d30e1074b 100644
--- a/packages/website/src/components/Armor/components/SpacedArmorSceneComponent/components/SpacedArmorSubSpaced/index.tsx
+++ b/packages/website/src/components/Armor/components/SpacedArmorSceneComponent/components/SpacedArmorSubSpaced/index.tsx
@@ -95,7 +95,12 @@ export function SpacedArmorSubSpaced({
 
       material.uniforms.penetration.value =
         penetration *
-        resolvePenetrationCoefficient(hasCalibratedShells, shell.type) *
+        resolvePenetrationCoefficient(
+          hasCalibratedShells,
+          Duel.state.equalize,
+          shell.type,
+          Duel.state.antagonist.tank.equalizer,
+        ) *
         equalize;
     }
 
diff --git a/packages/website/src/components/Armor/components/SpacedArmorSceneComponent/index.tsx b/packages/website/src/components/Armor/components/SpacedArmorSceneComponent/index.tsx
index 38b42f959..ffd6133b8 100644
--- a/packages/website/src/components/Armor/components/SpacedArmorSceneComponent/index.tsx
+++ b/packages/website/src/components/Armor/components/SpacedArmorSceneComponent/index.tsx
@@ -18,6 +18,7 @@ import {
 import { degToRad } from "three/src/math/MathUtils.js";
 import { hasEquipment } from "../../../../core/blitzkit/hasEquipment";
 import { jsxTree } from "../../../../core/blitzkit/jsxTree";
+import { defaultEqualizer } from "../../../../core/blitzkit/tankToDuelMember";
 import { discardClippingPlane } from "../../../../core/three/discardClippingPlane";
 import { Duel } from "../../../../stores/duel";
 import {
@@ -88,9 +89,12 @@ export function SpacedArmorSceneComponent({
       const { customShell } = Tankopedia.state;
       const shell = customShell ?? Duel.state.antagonist.shell;
       const { equalize } = Duel.state;
-      const equalizer =
-        (equalize ? Duel.state.antagonist.tank.equalizer?.damage : undefined) ??
-        1;
+      const protagonistEqualizer =
+        (equalize ? Duel.state.protagonist.tank.equalizer : undefined) ??
+        defaultEqualizer;
+      const antagonistEqualizer =
+        (equalize ? Duel.state.antagonist.tank.equalizer : undefined) ??
+        defaultEqualizer;
       const cameraNormal = camera.position.clone().sub(point).normalize();
       const shot: Shot = {
         splashRadius:
@@ -118,8 +122,14 @@ export function SpacedArmorSceneComponent({
       );
       const penetration =
         shell.penetration!.near *
-        resolvePenetrationCoefficient(hasCalibratedShells, shell.type);
-      const thicknessCoefficient = hasEnhancedArmor ? 1.03 : 1;
+        resolvePenetrationCoefficient(
+          hasCalibratedShells,
+          equalize,
+          shell.type,
+          antagonistEqualizer,
+        );
+      const thicknessCoefficient =
+        (hasEnhancedArmor ? 1.03 : 1) * protagonistEqualizer.armor;
       const filteredIntersections = intersections.filter(
         (intersection) =>
           "type" in intersection.object.userData &&
@@ -371,7 +381,7 @@ export function SpacedArmorSceneComponent({
         }
       }
 
-      shot.damage *= equalizer;
+      shot.damage *= antagonistEqualizer.damage;
 
       return shot;
     },
diff --git a/packages/website/src/components/Tankopedia/HeroSection/components/Options/index.tsx b/packages/website/src/components/Tankopedia/HeroSection/components/Options/index.tsx
index 15133b1f1..94e022c70 100644
--- a/packages/website/src/components/Tankopedia/HeroSection/components/Options/index.tsx
+++ b/packages/website/src/components/Tankopedia/HeroSection/components/Options/index.tsx
@@ -102,6 +102,7 @@ export function Options({ thicknessRange, canvas, skeleton }: OptionsProps) {
               value: (
                 resolvePenetrationCoefficient(
                   hasCalibratedShells,
+                  false,
                   antagonistShell.type,
                 ) * antagonistShell.penetration!.near
               ).toFixed(0),
diff --git a/packages/website/src/core/blitzkit/tankCharacteristics.ts b/packages/website/src/core/blitzkit/tankCharacteristics.ts
index 3f26ba388..afdbe9554 100644
--- a/packages/website/src/core/blitzkit/tankCharacteristics.ts
+++ b/packages/website/src/core/blitzkit/tankCharacteristics.ts
@@ -181,11 +181,10 @@ export function tankCharacteristics(
     (coefficient([hasGunRammer, -0.05]) *
       coefficient([true, degressiveStat(loaderMastery)])) /
     coefficient([hasAdrenaline && gun.gun_type!.$case === "regular", 0.17]);
-  const penetrationCoefficient =
-    coefficient([
-      hasCalibratedShells,
-      resolvePenetrationCoefficient(true, shell.type) - 1,
-    ]) * equalizer.penetration;
+  const penetrationCoefficient = coefficient([
+    hasCalibratedShells,
+    resolvePenetrationCoefficient(true, equalize, shell.type, equalizer) - 1,
+  ]);
   const healthCoefficient =
     coefficient(
       [hasSandbagArmor, 0.03],