Ops-Core 22mm Ballistic Hardware Replacement Ops-Core 22mm Ballistic Hardware Replacement is a dedicated set of hardware designed specifically for enhancing the functionality and security of Ops-Core ARC Rails on FAST & Sentry Helmets. This replacement kit is essential for maintaining the integrity of the helmet's attachment system, ensuring that chinstraps remain securely in place during operations. Main benefits include: Enhanced Durability: The hardware is crafted from materials that withstand harsh conditions and rigorous use. Flexible Purchase Options: Customers can choose between single (4 pieces) and bulk (100 pieces) kits, making it suitable for both individual operators and large teams. Ease of Installation: The kit contains all necessary components (22mm Screws and T-Nuts), allowing for a straightforward setup. Color Matching: Available in black, ensuring a cohesive look with the helmet and other gear. One size fits all, ensuring compatibility across all sizes of FAST & Sentry Helmets equipped with ARC Rails.