The Breacher Protocol: A CQB Shotgun Solo Build for Interior Vault Clears in Patch 2026.4
The Breacher Protocol: A CQB Shotgun Solo Build for Interior Vault Clears in Patch 2026.4 TL;DR — Executive Summary The mid-range AR meta has saturated the upper Aggression brackets. Every solo run into Buried City, the Rustbelt Foundry, or the Speranza Sub-Levels now collapses into the same 25–40m engagement loop. The counter is to refuse that range entirely. The Breacher Protocol is a sub-12m solo shotgun build that treats interiors as a one-shot domain — exploiting the patch 2026.4 pellet-spread tightening on the Mod-7 “Caracara” auto-shotgun and the new Composite Breach Plate (CBP-3) torso piece. The build sits comfortably in the Mid-Aggression bracket (Tier 3–4), farms Hatch-Key rooms inside POIs without ever touching the open-field meta, and converts Damage Dealt into skill points at a rate the DMR anchors simply cannot match in tight quarters. ...