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Buffalo Armory

Level III+ Star 647 Steel Plate

The Buffalo Armory STAR 647 Level III steel plate delivers reliable, multi‑hit rifle protection in a thin, durable design engineered for first responders and tactical operators.

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Buffalo Armory

Features

  • NIJ Level III Certification: Independently tested and certified to NIJ 0101.06 standards for rifle‑rated ballistic protection.
  • Multi‑Hit Capability: Engineered to withstand repeated impacts from high‑velocity rifle threats.
  • Durable STAR 647 Steel: Constructed from Buffalo Armory’s proprietary hardened steel for long‑term field performance.
  • Thin Profile: Approximately .29" thick for reduced bulk during operations.
  • Single Curve Design: Ergonomic shaping enhances comfort and mobility.
  • 10‑Year Warranty: Extended ballistic protection warranty, exceeding typical industry standards.


What is it?

The Buffalo Armory STAR 647 plate is a Level III rifle‑rated ballistic armor plate designed to provide affordable, reliable, multi‑hit protection against common rifle rounds including 7.62×51mm M80, 5.56×45mm M855, and 5.56×45mm M193. 

This plate is purpose‑built for first responders, tactical teams, and law enforcement officers operating in high‑risk environments.


How is it used?

Users insert the STAR 647 plate into a standard plate carrier or armor vest equipped for 10″×12″ plates. It is worn on the torso to protect vital organs during active shooter responses, tactical deployments, high‑risk entries, and emergency operations requiring rifle‑rated armor.


Who uses it?

The STAR 647 is used by:

  • Police officers (local, state, federal)
  • Fire and EMS responders in active‑shooter or rescue‑task‑force operations
  • Tactical and SWAT teams
  • Authorized public‑safety agencies and first‑responder organizations


Maintenance Information

  • Inspect plates quarterly for cracks, dents, delamination, or coating damage.
  • Store in a dry environment away from chemicals or corrosives.
  • Do not drop plates or expose them to unnecessary shock.
  • Clean only with mild soap and water; avoid abrasives or solvents.
  • (Manufacturer guidelines emphasize durability but require proper care to maximize lifespan.)


What is it used with?

  • Compatible plate carriers supporting 10″×12″ single‑curve rifle plates
  • Trauma pads (optional)
  • Tactical vests and rapid‑deployment active‑shooter kits


Material

  • The STAR 647 plate is made from hardened STAR 647 ballistic steel, a proprietary steel armor formulation engineered to defeat rifle threats while remaining exceptionally thin

Dimensions & Weight

  • Thickness: ~0.29″ (5mm).
  • 10″ × 12″ Shooter’s Cut (Model P5mmSAO‑SC1012): Weight: 7 lbs / 3.2 kg
  • 10″ × 12″ Full‑Size Cut (Model P5mmSAO‑FS1012): Weight: 7.6 lbs / 3.4 kg


Construction & Design

  • Made from STAR 647 hardened ballistic steel, designed for maximum durability.
  • Single Curve Profile for improved ergonomics and secure torso fit.
  • Standard black coating enhances corrosion resistance and helps prevent spall with optional coatings.
  • Rugged steel body designed to resist wear in field environments.


Ballistic Performance

  • Rated to: NIJ Level III 0101.06 standards.
  • Special Threat Rated III+: Stops additional high‑velocity rounds such as 5.56 M193 and 5.56 M855 (Green Tip).
  • Rounds Defeated:
    • 7.62×51mm M80 Ball
    • 5.56×45mm M855 / SS109
    • 5.56×45mm M193 up to approx. 3,100 fps
    • 7.62×39mm PS Ball
    • All lesser handgun and shotgun threats