History of Long Shadow

Overview

Long Shadow is a Kinetic Sniper Rifle in the Special slot with the Adaptive Frame (90 RPM, four-round magazine). Flavor text: "Inhale. Exhale. Flash of light. Endless fallout." Its sights are ATB Long Range, ATD Raptor, ATA Scout or ATC Rex; trait one offers Hip-Fire Grip, Firmly Planted, Snapshot Sights, Rapid Hit and others, and trait two offers Triple Tap, Ambitious Assassin, Explosive Payload, Rampage, Outlaw and Moving Target.

Acquisition

Complete strikes and earn rank-up packages from Commander Zavala. The source wiki lists it as Season 4 and does not mention crafting.