The Nexus Level 4 ( IV ) Ceramic Plate can be used in Warriors RICAS, RICAS Compact, NEW Raptor, New DCS, and the latest Elite Ops Range of Chest Rigs and must be used in conjunction with Level 111a soft armour. The 10 x 12 ( 250mm x 300mm ) plate is a Alumina Oxide Monolithic Bonded Tile construction combined with Aramid. Incorporates Double Curve for greater usability and comfort.   Features Alumina Oxide monolithic bonded tile with aramid Protection Rating : Level 4 ( IV ) Size: (10″ x 12″) 250mm x 300mm Shape: Double curve Weight: 2.8 kg @ 250x300mm = (6.16lbs) Covered in Black Nylon outer finish.     NIJ Level IV ( NIJ 0101.04 ) Provides Balistic protection against the following 7.62mm x 63mm (30.06) x 2 shots 7.62mm x 54mm Heavy Ball Dragunov x 4 shots 7.62mm x 51mm (NATO) Fal, GPMG, etc 7.62mm x 39mm Mild Steel Core AK47 x 6 shots 7.62mm x 39mm ball (AK-47/AK-56) 5.56mm x 45mm SS109 5.56mm x 45mm ball ( M-193, M-855) 5.45mm x 39mm Russian ball ( AK 74 )