diff --git a/ModularBot_garage/ModularBot b/ModularBot_garage/ModularBot
index 0223372..170ac0c 100755
Binary files a/ModularBot_garage/ModularBot and b/ModularBot_garage/ModularBot differ
diff --git a/common_libs/gun_harness/virtual_bullets.nim b/common_libs/gun_harness/virtual_bullets.nim
index ce8e73d..1ce8f34 100644
--- a/common_libs/gun_harness/virtual_bullets.nim
+++ b/common_libs/gun_harness/virtual_bullets.nim
@@ -9,7 +9,7 @@ import gun_interface
 const
   PowerBins*    = [1.0, 1.5, 2.0, 3.0]  ## 4 bins; ponytail: fixed array, add runtime config if needed
   WindowSize*   = 50                      ## rolling window ticks for fitness
-  MaxBullets*   = 512                     ## hard cap; ponytail: ring buffer, resize if more guns added
+  MaxBullets*   = 2048                    ## hard cap; ponytail: ring buffer, resize if more guns added
   MinHitRate*   = 0.40                    ## 40% threshold for acceptable power selection
 
 type
diff --git a/test_displacement_battles b/test_displacement_battles
new file mode 100755
index 0000000..857f835
Binary files /dev/null and b/test_displacement_battles differ
diff --git a/test_displacement_battles.nim b/test_displacement_battles.nim
new file mode 100644
index 0000000..0b0be57
--- /dev/null
+++ b/test_displacement_battles.nim
@@ -0,0 +1,27 @@
+import std/[os, strformat]
+import common_libs/test_framework/test_framework
+
+const
+  modularBotDir  = "/home/davide/Projects/SirRoboGarage/ModularBot_garage"
+  samplesDir     = "/home/davide/Downloads/robocode-tankroyale/sample-bots-nim-linux-1.0.7"
+  crazy          = samplesDir / "Crazy"
+  waveSurfer     = "/home/davide/Projects/SirRoboGarage/WaveSurfer_garage"
+  patternMover   = "/home/davide/Projects/SirRoboGarage/PatternMover_garage"
+
+const serverJar = "/home/davide/Projects/tank-royale/server/build/libs/robocode-tankroyale-server-0.35.5-all.jar"
+const runnerJar = "/home/davide/Projects/tank-royale/runner/examples/lib/robocode-tankroyale-runner.jar"
+
+if not fileExists(serverJar) or not fileExists(runnerJar):
+  echo "Skipping: Tank Royale JARs not found"
+  quit(0)
+
+proc battle(name: string, dir: string) =
+  echo fmt"--- ModularBot vs {name} (10 rounds) ---"
+  let r = runBattle(@[modularBotDir, dir], rounds = 10, timeout = 300000, maxSpeed = true)
+  for result in r.results:
+    echo fmt"  {result.name}: score={result.totalScore} rank={result.rank}"
+  echo ""
+
+battle("Crazy",        crazy)
+battle("WaveSurfer",   waveSurfer)
+battle("PatternMover", patternMover)