diff --git a/gamedir/Data-1.13/CTHConstants.ini b/gamedir/Data-1.13/CTHConstants.ini
index 4e016a057..2de511b91 100644
--- a/gamedir/Data-1.13/CTHConstants.ini
+++ b/gamedir/Data-1.13/CTHConstants.ini
@@ -78,7 +78,7 @@ DEGREES_MAXIMUM_APERTURE = 15
 ; the basic aperture will grow linearly to the distance to target (old behaviour).
 ; If TRUE the aperture will use a curve to grow slower over distance making iron sights
 ; more powerful over long distances.
-IRON_SIGHTS_MAX_APERTURE_USE_GRADIENT = FALSE
+IRON_SIGHTS_MAX_APERTURE_USE_GRADIENT = TRUE
 ; If IRON_SIGHTS_MAX_APERTURE_USE_GRADIENT is TRUE the following parameter defines
 ; how fast the aperture will grow. A lower value will make it grow slower thus making
 ; iron sights even more powerful.
diff --git a/gamedir/Data-1.13/TableData/Items/Items.xml b/gamedir/Data-1.13/TableData/Items/Items.xml
index 118495c6f..35f6e7921 100644
--- a/gamedir/Data-1.13/TableData/Items/Items.xml
+++ b/gamedir/Data-1.13/TableData/Items/Items.xml
@@ -196,7 +196,6 @@
 			<PercentDropCompensation>0</PercentDropCompensation>
 			<PercentMaxCounterForce>0</PercentMaxCounterForce>
 			<PercentCounterForceAccuracy>0</PercentCounterForceAccuracy>
-			<PercentCounterForceFrequency>0</PercentCounterForceFrequency>
 			<AimLevels>0</AimLevels>
 		</STAND_MODIFIERS>
 		<CROUCH_MODIFIERS>
@@ -209,7 +208,6 @@
 			<PercentDropCompensation>0</PercentDropCompensation>
 			<PercentMaxCounterForce>0</PercentMaxCounterForce>
 			<PercentCounterForceAccuracy>0</PercentCounterForceAccuracy>
-			<PercentCounterForceFrequency>0</PercentCounterForceFrequency>
 			<AimLevels>0</AimLevels>
 		</CROUCH_MODIFIERS>
 		<PRONE_MODIFIERS>
@@ -222,7 +220,6 @@
 			<PercentDropCompensation>0</PercentDropCompensation>
 			<PercentMaxCounterForce>0</PercentMaxCounterForce>
 			<PercentCounterForceAccuracy>0</PercentCounterForceAccuracy>
-			<PercentCounterForceFrequency>0</PercentCounterForceFrequency>
 			<AimLevels>0</AimLevels>
 		</PRONE_MODIFIERS>
 	</ITEM>
diff --git a/gamedir/Data/TableData/Items/Items.xml b/gamedir/Data/TableData/Items/Items.xml
index e60992985..997449199 100644
--- a/gamedir/Data/TableData/Items/Items.xml
+++ b/gamedir/Data/TableData/Items/Items.xml
@@ -175,7 +175,6 @@
 			<PercentDropCompensation>0</PercentDropCompensation>
 			<PercentMaxCounterForce>0</PercentMaxCounterForce>
 			<PercentCounterForceAccuracy>0</PercentCounterForceAccuracy>
-			<PercentCounterForceFrequency>0</PercentCounterForceFrequency>
 			<AimLevels>0</AimLevels>
 		</STAND_MODIFIERS>
 		<CROUCH_MODIFIERS>
@@ -188,7 +187,6 @@
 			<PercentDropCompensation>0</PercentDropCompensation>
 			<PercentMaxCounterForce>0</PercentMaxCounterForce>
 			<PercentCounterForceAccuracy>0</PercentCounterForceAccuracy>
-			<PercentCounterForceFrequency>0</PercentCounterForceFrequency>
 			<AimLevels>0</AimLevels>
 		</CROUCH_MODIFIERS>
 		<PRONE_MODIFIERS>
@@ -201,7 +199,6 @@
 			<PercentDropCompensation>0</PercentDropCompensation>
 			<PercentMaxCounterForce>0</PercentMaxCounterForce>
 			<PercentCounterForceAccuracy>0</PercentCounterForceAccuracy>
-			<PercentCounterForceFrequency>0</PercentCounterForceFrequency>
 			<AimLevels>0</AimLevels>
 		</PRONE_MODIFIERS>
 	</ITEM>