hohner0006 wroteMine bolt to the hub/drum assembly (which is semi-float IIRC).
No, that's a full-floater. A splined outer end would also be a full-floater, just one that uses a drive slug or lockouts.
A semi-floater is basically every other rear that Jeep used with a flange on the end of the axle that has the lug studs in it.