diff --git a/Defs/Ammo/Advanced/12GaugeCharged.xml b/Defs/Ammo/Advanced/12GaugeCharged.xml
index 8a2cacf2ec..8fb4a5c1af 100644
--- a/Defs/Ammo/Advanced/12GaugeCharged.xml
+++ b/Defs/Ammo/Advanced/12GaugeCharged.xml
@@ -103,7 +103,7 @@
 					<amount>3</amount>
 				</li>
 			</secondaryDamage>
-			<armorPenetrationSharp>8</armorPenetrationSharp>
+			<armorPenetrationSharp>12</armorPenetrationSharp>
 			<armorPenetrationBlunt>14.4</armorPenetrationBlunt>
 			<pelletCount>6</pelletCount>
 			<spreadMult>8.9</spreadMult>
@@ -124,7 +124,7 @@
 					<amount>12</amount>
 				</li>
 			</secondaryDamage>
-			<armorPenetrationSharp>10</armorPenetrationSharp>
+			<armorPenetrationSharp>18</armorPenetrationSharp>
 			<armorPenetrationBlunt>90</armorPenetrationBlunt>
 		</projectile>
 	</ThingDef>
@@ -140,7 +140,7 @@
 					<amount>5</amount>
 				</li>
 			</secondaryDamage>
-			<armorPenetrationSharp>8</armorPenetrationSharp>
+			<armorPenetrationSharp>15</armorPenetrationSharp>
 			<armorPenetrationBlunt>14.4</armorPenetrationBlunt>
 			<pelletCount>6</pelletCount>
 			<spreadMult>8.9</spreadMult>