diff --git a/sql/world/base/zz_optional_ammo_stack_size.sql b/sql/world/base/zz_optional_ammo_stack_size.sql
new file mode 100644
index 0000000..6296422
--- /dev/null
+++ b/sql/world/base/zz_optional_ammo_stack_size.sql
@@ -0,0 +1,7 @@
+/*
+    In 3.1 all ammo was changed to stack to 1000. This reduced the usefulness of quivers and ammo pouches
+    This SQL will restore Vanilla and TBC ammo stack sizes to 200.
+*/
+
+UPDATE `item_template` SET `stackable` = 200 WHERE `stackable` = 1000 AND `InventoryType` = 24;
+UPDATE `item_template` SET `stackable` = 1000 WHERE `entry` IN (41164, 41165, 41584, 41586, 52020, 52021); -- WotLK ammo