1 Marsilion C grenade launcher
In Destiny 2 Lightfall, the new world weapons are always easy to get. This is the Marsilion C grenade launcher. The Marsilion C grenade launcher can be crafted. Get the Marsilion C grenade launcher from Banshee or as a random drop.
2 Synchronic Roulette
Get the Synchronic Roulette from Terminal Overload events. The Synchronic Roulette is a Strand submachine that can drop with Elemental Capacitor mod, and with its inherent range and then add on solar increased reload speed can be a great weapon when paired with Strand abilities.