diff --git a/jctools-experimental/src/main/java/org/jctools/counters/Counter.java b/jctools-core/src/main/java/org/jctools/counters/Counter.java
similarity index 100%
rename from jctools-experimental/src/main/java/org/jctools/counters/Counter.java
rename to jctools-core/src/main/java/org/jctools/counters/Counter.java
diff --git a/jctools-experimental/src/main/java/org/jctools/counters/CountersFactory.java b/jctools-core/src/main/java/org/jctools/counters/CountersFactory.java
similarity index 100%
rename from jctools-experimental/src/main/java/org/jctools/counters/CountersFactory.java
rename to jctools-core/src/main/java/org/jctools/counters/CountersFactory.java
diff --git a/jctools-experimental/src/main/java/org/jctools/counters/FixedSizeStripedLongCounter.java b/jctools-core/src/main/java/org/jctools/counters/FixedSizeStripedLongCounter.java
similarity index 100%
rename from jctools-experimental/src/main/java/org/jctools/counters/FixedSizeStripedLongCounter.java
rename to jctools-core/src/main/java/org/jctools/counters/FixedSizeStripedLongCounter.java
diff --git a/jctools-experimental/src/main/java/org/jctools/counters/FixedSizeStripedLongCounterV6.java b/jctools-core/src/main/java/org/jctools/counters/FixedSizeStripedLongCounterV6.java
similarity index 100%
rename from jctools-experimental/src/main/java/org/jctools/counters/FixedSizeStripedLongCounterV6.java
rename to jctools-core/src/main/java/org/jctools/counters/FixedSizeStripedLongCounterV6.java
diff --git a/jctools-experimental/src/main/java/org/jctools/counters/FixedSizeStripedLongCounterV8.java b/jctools-core/src/main/java/org/jctools/counters/FixedSizeStripedLongCounterV8.java
similarity index 100%
rename from jctools-experimental/src/main/java/org/jctools/counters/FixedSizeStripedLongCounterV8.java
rename to jctools-core/src/main/java/org/jctools/counters/FixedSizeStripedLongCounterV8.java
diff --git a/jctools-experimental/src/test/java/org/jctools/counters/FixedSizeStripedLongCounterTest.java b/jctools-core/src/test/java/org/jctools/counters/FixedSizeStripedLongCounterTest.java
similarity index 100%
rename from jctools-experimental/src/test/java/org/jctools/counters/FixedSizeStripedLongCounterTest.java
rename to jctools-core/src/test/java/org/jctools/counters/FixedSizeStripedLongCounterTest.java