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Body Armor Buyer’s Guide


1. Body Armor Levels

A simple black silhouette of a cat.

Level IIIA - Protects against most handgun threats

Graph comparing various bullet types in size and specifications.
A minimalist black silhouette of a cat sitting down.

Level III - Designed to stop standard rifle rounds

Various bullet types displayed in ascending order of size.
A stylized logo of a cat silhouette.

Level III+ (Special Threat) - Enhanced protection against faster or penetrator rounds

Various bullet types arranged by size on a dark background.
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Level IV - Designed to stop armor-piercing rifle rounds

Various bullet types displayed in a row with specifications underneath.

2. Understanding NIJ Standards

When shopping for body armor, you’ll often see references to NIJ ratings. These ratings come from the National Institute of Justice (NIJ), which sets testing standards for ballistic protection.

If armor is NIJ Certified, it has been officially tested and verified under those standards. If it’s not certified, it is often still tested to NIJ standards by independent labs.

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3. Body Armor Material Types

Soft Armor

Best for:

  • Concealed carry / everyday wear
  • Law enforcement uniforms
  • Lightweight protection

Pros:

  • Lightweight and flexible
  • Comfortable for extended wear
  • Easy to conceal

Cons:

  • Not designed for rifle threats
  • Less rigid structure

👉 Think of soft armor as wearable protection you can hide under clothing.

Yellow patterned label with a rounded top and straight sides.

What it is:
Flexible panels made from woven aramid fibers (like Kevlar®) or similar materials.

How it works:
It catches and spreads out the energy of handgun rounds, stopping them without breaking.

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Composite Armor

Best for:

  • Lightweight rifle-rated protection (Level III/RF1 Elaphros)
  • Stab resistant
  • Marine or specialty environments (plates float)

Pros:

  • Extremely lightweight (approx. 3 lbs)
  • Comfortable for long wear
  • Resistant to moisture and corrosion

Cons:

  • Typically more expensive
  • Can be thicker than steel

👉 Think of composite armor as ultra-lightweight rifle protection built for mobility.

A blank, vertical striped background with a rounded top.

What it is:
Made from ultra-high-molecular-weight polyethylene (UHMWPE) or hybrid fibers.

How it works:
Layers of high-strength fibers absorb and disperse energy across the plate.

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Steel Armor

Best for:

  • Budget-conscious buyers
  • Durable, long-term use
  • Training or rugged environments

Pros:

  • Extremely durable and long-lasting
  • More affordable than other rifle-rated options
  • Thin profile compared to composites

Cons:

  • Heavier (often 8–11 lbs per plate)
  • Requires anti-spall coating or sleeve
  • Less comfortable for extended wear

👉 Think of steel as rugged, reliable protection with a weight trade-off.

Black shield-shaped object on a dark background.

What it is:
Hardened ballistic steel plates (commonly AR500 or AR550).

Base Coat

  • Thin protective layer to prevent rust and corrosion
  • Does NOT provide spall protection (fragmentation from bullet impact)

Full Coat (Encapsaloc®)

  • Thicker, specialized coating
  • Helps reduce or contain fragmentation (spall)
  • Adds a bit of weight, but improves safety

See list of products

Ceramic Armor

Best for:

Maximum protection setups
Users prioritizing lighter weight than steel
Higher-threat environments

Pros:

Lighter than steel
Capable of stopping higher-level threats (including armor-piercing at Level IV)
Effective energy dispersion

Cons:

Higher cost
Can crack if mishandled
Limited lifespan compared to steel

👉 Think of ceramic as high-performance armor designed to defeat serious rifle threats.

A plain, light-colored abstract shape on a black background.

What it is:
Plates made from ceramic strike faces (like aluminum oxide or boron carbide) backed by composite materials.

How it works:
The ceramic breaks and disperses the projectile, while the backing material absorbs remaining energy.

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4. Plate Cuts & Fit

Shooter's Cut

Balanced coverage and mobility (most popular)

Size Options: 10" x 12", 11" x 14"

A simple black silhouette of a running person.

High Mobility/Swimmer's Cut

Increased arm movement

Size Options: 10" x 12"

MED ESAPI Cut

(Enhanced Small Arms Protective Inserts) Military-style full coverage
Size Options: 9.5" x 12.5"


5. Plate Curvature

Single Curve

  • Curved along one vertical axis
  • Provides basic comfort and fit
  • More affordable and simple design
  • Ideal for entry-level or general use
Black armor plate with a spartan logo, showing flexibility and dimensions.

ATC® - Advanced Triple Curve

  • Ergonomic 3-curve design
  • Contours naturally to the body
  • Improves comfort for long wear
  • Available in AR500 & AR550 plates
Illustration of a tactical body armor plate with directional arrows.

ACC® - Advanced Compound

Curve

  • Curved shape of Hercules ceramic body armor plates
Black curved object with red outlines and arrows indicating direction.

6. Trauma Pads

Purpose:

Trauma pads are worn behind armor plates to absorb and disperse impact, helping reduce blunt force and minimize bruising or injury.

Material:

Extremely light microcellular urethane padding and wrapped with durable nylon ripstop fabric.

Thickness of 0.25” (6.35 mm)

👉 Compatible with any of our body armor plates. To ensure proper protection and comfort, select the trauma pad shape and size that with best match your body armor plates/panels.

Cuts/Shapes:

  • Shooter’s Cut
  • High Mobility/Swimmer’s Cut (Only available in 10" x 12")

Sizes:

  • 8” x 10”
  • 10” x 12”
  • 11” x 14”
    (Available individually or as a set of two.)
  • 6” x 6” (Sides)
  • 6” x 8” (Sides)
    (Sold only as a set of two side panels.)
Diagram illustrating two types of pipe deformation and their effects.

7. Plate Carriers

USA-made, 100% Berry Compliant carrier is an ideal choice for law enforcement, military personnel, and civilians

Features

👉 Accepts Soft, Composite, Steel, and Ceramic Body Armor

• Accommodates 10 x 12” or
9.5” x 12.5” MED ESAPI plates
• Fabric: 500/1000d laminate
•Laser cut MOLLE
• Fully adjustable and removable MOLLE
cummerbund - accommodates 5” x 11”
side plates and side plate pouches for
6” x 6” or 6” x 8” side plates
• Adjustable internal buckles
• First Spear Quick-release tubes on
cummerbund
• High-density foam standoffs for air
circulation
• YKK Zippered Admin Pouch
• Rear drag handle
• Size Range: S-4XL

Designed for rapid mission-specific customization and its adaptable sizing make it suitable for a wide range of body types.

Features

👉 Accepts Soft, Composite, Steel, and Ceramic Body Armor

• Dual pocket design: Carries 10” x 12”,
11” x 14” and 9.5” x 12.5” MED ESAPI plates
• Fabric: 1000d Nylon/600d Polyester
•Laser cut MOLLE with universal clips and
S-hook placards
• Fully adjustable and removable MOLLE
cummerbund - accommodates 5” x 11”
side plates and side plate pouches for
6” x 6” or 6” x 8” side plates
• Adjustable internal buckle system
• Maglocks on shoulders and cummerbund
for quick connect/disconnect
• 3D padded mesh for enhanced
breathability
• Enhanced padded shoulder straps
• YKK Zippered Admin Pouch
• Rear drag handle
• Size Range: S-4XL

Durability, adaptability, and comfort. Combines high-end technology with versatility and protection for various combat scenarios.

Features

👉 Accepts Soft, Composite, Steel, and Ceramic Body Armor

• Dual pocket design: Carries 10” x 12”,
11” x 14” and 9.5” x 12.5” MED ESAPI
plates
• Fabric: 1000d polyester
•Laser cut MOLLE
• Fully adjustable and removable MOLLE
cummerbund - accommodates 5” x 11”
side plates and side plate pockets for
6” x 6” or 6” x 8” side plates
• Adjustable internal buckles
• Removable triple M4 mag pouch (pre-installed)
• Padded shoulder straps
• Padded front and rear with ventilation
vents
• YKK Zippered Admin Pouch
• Rear drag handle
• Size Range: S-4XL

Grab-and-go personal protection solution. An easy-to deploy threat protection system, providing quick access when needed.

Features

👉 Accepts Soft, Composite, Steel, and Ceramic Body Armor

• Dual pocket design: Carries
10” x 12”, 11”x 14” and 9.5” x 12.5” MED
ESAPI plates
• Fabric: 1000d polyester
•Laser cut MOLLE
• 2-inch replaceable quick-release
buckles
• Padded shoulder pads
• Removable triple M4 mag pouch
(pre-installed)
• Padded front and rear with
ventilation vents
• YKK Zippered Admin Pouch
• Rear drag handle
• Size Range: S-4XL

Sleek, minimalist, and highly capable. Designed for lightweight agility and rapid engagement.

Features

👉 Accepts Soft, Composite, Steel, and Ceramic Body Armor

• Fits 10” x 12” Spartan Armor Systems® Shooters Cut plates
• Fabric: 900d Polyester
• Fully adjustable and removable MOLLE cummerbund - Accommodates 5” x 11” side plates and side plate pockets for 6” x 6” or 6” x 8” side plates
• Hook & loop adjustable waist,
shoulders and cummerbund
• Front and back PALS webbing for
MOLLE attachments
• Side release buckles on the internal
waist strap
• Rear drag handle
• Size range: S-2XL

Crafted from breathable lightweight
fabric, this shirt is comfortable when worn for long periods. It is concealable under clothing.

Features

👉 Accepts Only Soft Body Armor

• Holds 10” x 12” front/black Flex Fused Core® Soft Body Armor panels and
5” x 7” soft armor side panels
• Fabric: Polyester fabric, Polyester mesh and Lycra-breathable materials
designed to stay cool
•Low profile design minimizes printing when worn under clothing
• Machine wash and dry
• Available in Black only
• Sleeved size: S - XXL
Sleeveless size: M - XL

Ultra minimalist carrier is virtually indiscernible when worn beneath loose clothing. Suitable for both covert and overt use, while maintaining a low profile

Features

👉 Accepts Soft and Composite (Only Armis) Body Armor

• Plate compatibility: 10” x 12” plate pocket or 11” x 14” plate pocket
• Fabric: 900d Polyester
• Four-inch adjustable cummerbund
• Two-inch low profile adjustable shoulder straps
• Built-in soft mag pouches, two on each side for M4 or pistol
• ID panels on the front and back
• Carrier can hold all Spartan Armor plates but designed for concealment
thinner armor is recommended
• Size range: S-3XL


8. Body Armor Laws By State

One of the first questions many new buyers have before purchasing body armor is: “Is it legal for me to own this?”

In most states, body armor is legal for civilians to buy and own, and no background check is required if you are legally allowed to purchase it. However, laws can vary by state, and there may be certain restrictions depending on your location or circumstances.

👉 Quick takeaway: Body armor is generally legal but it’s always smart to check your local laws before making a purchase.


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Office Location
Spartan Armor Systems
1830 West Copper Street
Tucson, AZ 85745

Office Hours
8am - 4:30pm Mon-Thur
8am - 11:00am Fri
Arizona Time Zone

Call/Text: (520)-396 -3335

Email: info@spartanarmorsystems.com

LEO Sales: leo@spartanarmorsystems.com