Airsoft GI gives us an overview of the Gen 2 LTM-04B0-M AEG or the full metal M4A1 AEG from Lancer Tactical... "Drop into the airsoft warzone without dropping a lot of cash with the second generation of Lancer Tactical airsoft rifles. The Lancer Tactical Full Metal GEN. 2 LTM-04B-M AEG Rifle from Airsoft GI features a well built metal body. That puts a tough, durable and sturdy rifle in your hands.