diff --git a/src/main/java/net/openhft/chronicle/map/ReplicatedChronicleMap.java b/src/main/java/net/openhft/chronicle/map/ReplicatedChronicleMap.java
index 3d1af9d9e..db08febaf 100755
--- a/src/main/java/net/openhft/chronicle/map/ReplicatedChronicleMap.java
+++ b/src/main/java/net/openhft/chronicle/map/ReplicatedChronicleMap.java
@@ -91,7 +91,7 @@ import static net.openhft.lang.io.NativeBytes.wrap;
  * @param <K> the entries key type
  * @param <V> the entries value type
  */
-final class ReplicatedChronicleMap<K, KI, MKI extends MetaBytesInterop<K, ? super KI>,
+public class ReplicatedChronicleMap<K, KI, MKI extends MetaBytesInterop<K, ? super KI>,
         V, VI, MVI extends MetaBytesInterop<V, ? super VI>>
         extends VanillaChronicleMap<K, KI, MKI, V, VI, MVI>
         implements Replica, EntryExternalizable, EntryResolver<K, V>, EngineReplicationLangBytes {
@@ -189,6 +189,10 @@ final class ReplicatedChronicleMap<K, KI, MKI extends MetaBytesInterop<K, ? supe
         return identifierUpdatedBytes.readLong(remoteIdentifier * 8L);
     }
 
+    public long bootStrapTime(){
+        return this.acquireModificationIterator(this.identifier()).bootStrapTimeStamp();
+    }
+
     @Override
     void onHeaderCreated() {
         long offset = super.getHeaderSize();