diff --git a/changelog/snippets/fix.6389.md b/changelog/snippets/fix.6389.md
new file mode 100644
index 0000000000..efd3772b55
--- /dev/null
+++ b/changelog/snippets/fix.6389.md
@@ -0,0 +1 @@
+- (#6389) Improve tech 2 static artillery's ability to shoot up cliffs.
diff --git a/units/UAB2303/UAB2303_unit.bp b/units/UAB2303/UAB2303_unit.bp
index 593881e149..f8387ad5cb 100644
--- a/units/UAB2303/UAB2303_unit.bp
+++ b/units/UAB2303/UAB2303_unit.bp
@@ -146,8 +146,8 @@ UnitBlueprint{
             MinRadius = 50,
             MuzzleSalvoDelay = 0,
             MuzzleSalvoSize = 1,
-            MuzzleVelocity = 26.13,
-            MuzzleVelocityReduceDistance = 120,
+            MuzzleVelocity = 27.8,
+            MuzzleVelocityReduceDistance = 115,
             ProjectileId = "/projectiles/AIFMiasmaShell01/AIFMiasmaShell01_proj.bp",
             ProjectilesPerOnFire = 1,
             RackBones = {
diff --git a/units/UEB2303/UEB2303_unit.bp b/units/UEB2303/UEB2303_unit.bp
index ae59b64ea3..6b075c1065 100644
--- a/units/UEB2303/UEB2303_unit.bp
+++ b/units/UEB2303/UEB2303_unit.bp
@@ -153,8 +153,8 @@ UnitBlueprint{
             MinRadius = 50,
             MuzzleSalvoDelay = 0,
             MuzzleSalvoSize = 1,
-            MuzzleVelocity = 26.13,
-            MuzzleVelocityReduceDistance = 120,
+            MuzzleVelocity = 27.8,
+            MuzzleVelocityReduceDistance = 115,
             ProjectileId = "/projectiles/TIFArtillery01/TIFArtillery01_proj.bp",
             ProjectilesPerOnFire = 1,
             RackBones = {
diff --git a/units/URB2303/URB2303_unit.bp b/units/URB2303/URB2303_unit.bp
index 47d675c533..39131e8b3d 100644
--- a/units/URB2303/URB2303_unit.bp
+++ b/units/URB2303/URB2303_unit.bp
@@ -140,8 +140,8 @@ UnitBlueprint{
             MinRadius = 50,
             MuzzleSalvoDelay = 0,
             MuzzleSalvoSize = 1,
-            MuzzleVelocity = 26.13,
-            MuzzleVelocityReduceDistance = 120,
+            MuzzleVelocity = 27.8,
+            MuzzleVelocityReduceDistance = 115,
             ProjectileId = "/projectiles/CIFMolecularResonanceShell01/CIFMolecularResonanceShell01_proj.bp",
             ProjectilesPerOnFire = 1,
             RackBones = {
diff --git a/units/XSB2303/XSB2303_unit.bp b/units/XSB2303/XSB2303_unit.bp
index 3f4ac76ad0..d4c9f3fedb 100644
--- a/units/XSB2303/XSB2303_unit.bp
+++ b/units/XSB2303/XSB2303_unit.bp
@@ -158,8 +158,8 @@ UnitBlueprint{
             MuzzleChargeDelay = 1,
             MuzzleSalvoDelay = 0,
             MuzzleSalvoSize = 1,
-            MuzzleVelocity = 26.13,
-            MuzzleVelocityReduceDistance = 120,
+            MuzzleVelocity = 27.8,
+            MuzzleVelocityReduceDistance = 115,
             ProjectileId = "/projectiles/SIFZthuthaamArtilleryShell02/SIFZthuthaamArtilleryShell02_proj.bp",
             ProjectilesPerOnFire = 1,
             RackBones = {