Home/Bulletproof Accessories, Bulletproof Backpacks & School Products, Bulletproof Panels & Plates, Level III+ Lightweight (Enhanced Rifle Threats)/9.5″ x 13″ AR500 Steel Armor®- NIJ Level III+ Lightweight Rifle Protection Backpack Armor

9.5″ x 13″ AR500 Steel Armor®- NIJ Level III+ Lightweight Rifle Protection Backpack Armor


Main Features:

  • 9.5″ x 13″ AR500 steel square plate designed to fit common backpacks.
  • Level III+ Lightweight rifle threat protection.
  • 30% stronger, thinner, and lighter than the standard Level III+.
  • Thin .26″ thick profile and weighs only 8 lbs.
  • Optional PAXON Coating Build Up to reduce bullet spalling.
  • Most independently reviewed and tested body armor in the world.
  • Rugged and stress fracture resistant.
  • 20-Year maintenance free shelf life, outlasts Ceramic, and Polyethylene Body Armor.


This 9.5″ x 13″ steel core panel manufactured by AR500 Armor is designed to be inserted in a backpack, laptop pocket, bag, or briefcase.  This Backpack Armor will fit into your school bag laptop pocket, hydration pocket, or laptop carry bags capable of accepting up to 15.1” laptops, in most cases they fit in conjunction with your laptop.  You can now turn your commuter pack into an armored backpack capable of defeating hard hitting rifle rounds in a concealed carry system.  Armor Lightweight Level III+ Lightweight Body Armor plates are currently the lightest Level III steel core body armor on the market.  They provide stand-alone and multi-hit protection from the most common rifle threats (5.56×45 M193 and 5.56×45 M855 SS109) at a velocity up to 3,000 feet per second, and 7.62×39, 7.62×51 M80 Ball (.308 Winchester) at velocities up to 2,850 feet per second, but not Armor Piercing (AP) rounds, and all lesser rifle, pistol, and shotgun threats.

AR500 Armor uses a ballistic grade steel core that’s maintenance free and only .26″ thick.  Standard plates come pretreated with a PAXCON (Line-X) coating which increases the plate’s ability to protect against ammunition spall and fragmentation.  The treated steel core is stress fracture resistant, giving it an extreme advantage over ceramic, Dyneema, UHMWPE, and other armor that can fail if dropped or exposed to impacts.  AR500 Armor plates are designed to withstand single shots and multi-hit threats.  The protective coating also provides a fully sealed design that’s impervious to liquids, chemicals, and harsh elements.  Customers also have the option of upgrading to a PAXON (Line-X Build Up) coating.  The Build Up coating further reduces spall and fragmentation by absorbing more of the bullet material into the outer shell of the plate, instead of deflecting it.  A standard plate weighs only 8 lbs.  The Build Up coating adds another 3/4 lb and up to a total thickness of .48″.  Please note that because of demand, choosing a Build Up coating can add up to several more weeks of expected delivery time for your order.  *Photos depicted show a backpack which is not included and must be purchased separately.

Additional information

Weight 8 oz
Dimensions 13 × 9.5 × .26 in
PAXON Coating

Base Coat Only, Build-Up Coat (+$39)


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