Four Brothers Modular Chest Rig4BROS Modular Ambidextrous Chest Rig System Built for Performance, Comfort, and Modularity Assembly instructions can be found HERE, at the bottom of the product description, or embedded in the product page images. MANDATORY STEP: Check all hardware after initial setup to verify correct installation, and again after your first on body test session. Apply the included threadlocker to prevent hardware from loosening. This is a mandatory step for this