associate it to M-r (that is, the "Alt" and "r" key pressed together),
just add something like
-bind \(aq\(dq\\C-[r\(dq:\(dq\\C-a\\C-kselector -q -b -i -d -v -w -l ${HISTSIZE} <(history)\\C-m\(dq\(aq
+bind \(aq\(dq\\C-[r\(dq:\(dq\\C-a\\C-kselector --bash <(history)\\C-m\(dq\(aq
in your
.IR ~/.bashrc .