Plate carrier and chest rig are terms often used by people interchangeably. They share similarities, but they are, in fact, two different pieces of equipment with very specific uses.
Pros and Cons of Webbing, Vests and Chest Rigs - Kit Pest
AO Chest Rig
O P Tactical Gear Store - Haley Strategic D3CRM Chest Rig attached
Tactical Gear Archives - Page 3 of 80 - 5.11 Community
KRYDEX Low Vis Slick Plate Carrier Tactical Vest Body Armor Chest
Plate Carrier vs Chest Rig, What's the Difference?, 5.11 Tactical
Recce Rig
Chest Rig vs. Plate Carrier: Which is best for you? – Qore Performance
Plate Carrier Loadout