This second sculpt of the Charger represents the CGR-1A5 variant.
The Lyran Guards’ insignia depicts a stylized white horse head that appears on the left leg of BattleMechs or the left side of vehicles. Regimental insignia appear on the right leg or side. The insignia of the Third Lyran Guards is a pair of crossed broadswords. Per FM:Lyran Alliance, pages 74 and 75.