Catalyst Game Labs has new Battletech readout pdfs available. They’ve got Experimental Tech and The Bounty Hunter and Antallos.
From the update:
For as long as military forces and governments have employed them, special forces and other covert operations units have employed the latest, and most advanced technologies available to give them an edge in combat. The fires of the Jihad have been no exception. Employing a mix of the most radical technologies in stealth, electronics, and advanced weaponry, the elite shadow warriors from across the Inner Sphere continue to do battle with some of the most cutting edge BattleMechs, vehicles, and battlesuits that money can buy—all optimized for the deadliest of “black ops” missions.