Caliber Armor NIJ Certified* AR550 Package with Recon Tactical Plate Carrier Body Armor Package – NIJ Level III+Caliber Armor AR550 Recon Body Armor Package Certified* NIJ Level III+ Adaptable. Mission Ready. Built for Action. The Caliber Armor AR550 Recon Package delivers the perfect balance of protection, comfort and adaptability. AR550 NIJ Certified Level III+ multi curve ballistic protection coupled with a quick release system on both the cummerbund and shoulder straps allow rapid donning and doffing when every second counts. A breathable mesh liner and