Ballistic Protection Levels Explained

If you're researching ballistic protection—for a school, a courthouse, a place of worship, a government facility, or any setting where physical safety matters—you'll encounter terms like "NIJ Level III," "Level IIIA," "RF1," "HG2," and "UL 752." These names refer to specific protection standards, but they're often used inconsistently in marketing materials, and the industry recently went through a major renaming.

This guide explains the levels of ballistic protection in plain English: what they mean, what each one actually stops, how the old and new naming systems compare, and how to figure out which level is appropriate for your setting.

It's written specifically for buyers of ballistic furniture—podiums, panels, workstations, and protective barriers—though the same standards apply to body armor and other ballistic products.

For example, this bullet-resistant workstation:

Who Sets Ballistic Protection Standards?

In the United States, two organizations publish the ballistic standards you'll encounter most often:

• The National Institute of Justice (NIJ)—a research arm of the U.S. Department of Justice. NIJ publishes the standards most commonly referenced in ballistic furniture, body armor, and protective equipment. The NIJ standard for ballistic-resistant protective materials is NIJ Standard 0108.01, and the body armor standards are NIJ 0101.06 (published 2008) and the newer NIJ 0101.07 (published November 2023).
• Underwriters Laboratories (UL)—UL Standard 752 covers ballistic-resistant materials used in building construction: bank teller windows, ballistic glass, wall panels, and architectural installations. UL 752 uses its own numbering system (Levels 1 through 10) and is more common for fixed construction.

For ballistic furniture, NIJ ratings are the most commonly cited. For ballistic glass and architectural materials, you'll often see UL 752. Some products are tested to both. The two systems aren't directly interchangeable, but they can be roughly cross-walked.

The Classic NIJ Protection Levels (Standard 0101.06)

For most of the past two decades, ballistic products in the U.S. have been rated under NIJ Standard 0101.06, which uses Roman numerals to designate threat levels. These are the ratings still printed on most ballistic furniture, body armor, and protective equipment currently in service.

There are five primary levels, each tested against specific ammunition fired at specific velocities:

A key principle to understand: each level protects against everything below it. Level III armor stops Level IIIA threats too. Level IV stops Level III threats and below. The levels are cumulative going up.

The New Naming System (NIJ Standard 0101.07)

In November 2023, the National Institute of Justice published NIJ Standard 0101.07, which replaces 0101.06 for new body armor certifications going forward. The most visible change: the threat levels were renamed from Roman numerals to letter prefixes that describe what's being protected against.

Under 0101.07, handgun threats are designated with "HG" and rifle threats with "RF":

Three things to note about the changes:

• Level IIA was eliminated. The lowest-velocity handgun threat tier is no longer included in the standard. NIJ determined that meaningful protection against typical threats requires HG1 or higher.
• RF1 expanded what it tests against. Under the old Level III, only 7.62×51mm NATO was the formal test round. Under RF1, the standard adds 5.56mm M193 and 7.62×39mm rounds—better reflecting common rifle threats faced by law enforcement and security personnel.
• RF2 is brand new. There was no Level III between III and IV under the old standard. RF2 fills that gap by testing against 5.56×45mm M855 (the "green tip" round with a steel-tip penetrator), which old Level III didn't reliably stop but didn't require the much heavier Level IV armor either. This is the most significant addition to the standard.

Which Level Do You Actually Need?

The right protection level for your facility depends on a threat assessment, not on "buy the highest you can afford." Each level up adds weight, cost, and design constraints. Specifying Level IV protection for a setting where the realistic threat is handguns wastes budget and produces unnecessarily heavy equipment.

Here's general guidance on level selection by setting. This is industry guidance, not formal recommendation—your specific situation should involve a qualified security professional or law enforcement liaison.

For most corporate, hospitality, and lower-risk institutional settings

Level IIIA (HG2 under the new standard) is typically appropriate. This stops all common handgun threats, including the high-velocity 9mm and .44 Magnum rounds that account for most pistol-caliber attacks. It does not stop rifle rounds.

Common applications: corporate reception desks, hospital security stations, hotel check-in podiums, lower-risk government buildings, retail loss prevention.

For schools, courthouses, and houses of worship

Level III (RF1 under the new standard) is the most common specification. This stops common rifle rounds including those fired from AR-pattern rifles (5.56mm), AK-pattern rifles (7.62×39mm), and hunting rifles (.308 / 7.62×51mm). It's the threshold where ballistic furniture meaningfully addresses active shooter scenarios involving rifles.

Common applications: school auditoriums, classroom mobile panels, courthouse judicial benches, sanctuary pulpits, public lobby installations, university lecture halls.

For high-risk government, military, and federal facilities

Level IV (RF3) protection against armor-piercing rounds is reserved for facilities with elevated threat profiles. The added weight and cost rarely justify themselves for general institutional buyers.

Common applications: federal courthouses, military command centers, embassy installations, high-risk law enforcement facilities.

For settings where 5.56 M855 "green tip" rounds are a specific concern

RF2 is the new intermediate tier that specifically addresses this round. If your threat assessment identifies M855 as a credible concern but you don't need the full weight of Level IV armor, RF2 is the right specification. As of this writing, RF2-certified furniture is just beginning to enter the market—most existing products are still Level III or Level IV.

NIJ vs. UL 752: When Each Applies

If you've consulted with an architect or facilities designer about ballistic protection for your building, you may have heard about UL 752 rather than NIJ levels. They cover similar territory but in different contexts.

For a complete building security project, you may see both standards used together. The ballistic glass in your entry vestibule might be UL 752 Level 3-rated; the mobile ballistic panel in the classroom is NIJ Level III-rated. They protect against comparable threats but are tested differently because the products are used differently.

If you're working with an architect or security consultant who specifies a UL 752 level for an installation, that's about fixed construction. If you're buying movable furniture, NIJ ratings are what you'll encounter.

How to Verify a Ballistic Protection Claim

Marketing claims about ballistic protection aren't all created equal. Before buying any ballistic product, look for the following:

• Third-party test certification from an accredited laboratory, not just a manufacturer's claim
• The specific standard the product was tested to (NIJ 0108.01, 0101.06, 0101.07, or UL 752)
• The specific level achieved, in the standard's own nomenclature
• The exact configuration tested — sometimes a manufacturer tests a baseline configuration, then the product you're buying has options that change the protection
• The date of certification, and whether the standard has been updated since

Reputable manufacturers can provide all of this on request. Be cautious of products that use vague language ("ballistic-rated," "meets industry standards") without specifying which standard or showing certificates.

What Ballistic Ratings Don't Tell You

Knowing a product's NIJ level is necessary but not sufficient for choosing well. A few important caveats:

Ratings test against specific rounds, not all rounds

A Level III rating means a product stops the specific test rounds at the specific test velocities. Real-world ammunition varies — heavier bullets, different bullet construction, hotter loads, and ammunition fired from longer barrels can all behave differently than test rounds. Ratings are a useful baseline, not a guarantee against every possible round of that caliber.

Multiple-hit tolerance varies by product

The NIJ tests fire a specific number of rounds (six for Level III). Beyond that count, products may degrade. A Level III panel tested against six rounds isn't guaranteed against a hundred. Real attacks may produce more sustained fire than the test protocol assumes.

Angle and distance matter

Ratings are tested at specific angles (perpendicular impact) and distances. Real rounds fired from different angles, at very close range, or at extreme angles may produce different results than tests suggest.

The rating describes the panel, not the whole product

A "Level III ballistic podium" has a Level III panel inside, but the podium has parts that aren't ballistic—the work surface, the back, sometimes the sides. A round fired at an unprotected area passes through normally. This is why product descriptions specify things like "three-sided ballistic coverage"—it tells you which surfaces are protected.

Ballistic protection is one layer in a safety plan

Even the best-rated furniture is part of a broader strategy that includes access control, training, communications, and emergency response. Ballistic furniture buys time during the critical first seconds of an incident. It doesn't replace the rest of the plan.

Quick Reference Summary

For the buyer who just wants the short version:

• Level IIIA (HG2) stops all common handgun rounds. Used in handheld shields, lighter protective products, and lower-risk corporate or institutional settings.
• Level III (RF1) stops common rifle rounds including AR-15, AK-47, and .308 calibers. This is the most common specification for schools, courthouses, and houses of worship.
• RF2 (new in 2023) fills the gap between Level III and Level IV by stopping 5.56mm M855 "green tip" rounds. Available in newer products certified under the 0101.07 standard.
• Level IV (RF3) stops armor-piercing rifle rounds. Reserved for high-risk federal facilities, military applications, and other settings with elevated threat profiles.

If you're not sure which level fits your setting, the best path is to involve a security professional or your state's school safety office in a threat assessment. Many state-level resources offer this consultation at no cost to schools and institutions.

Looking for ballistic furniture for your facility?

Podiums Direct carries a curated line of bullet-resistant podiums, lecterns, mobile panels, workstations, and protective furniture, certified to NIJ Level III. All products are handcrafted in the USA with lifetime warranties on materials and craftsmanship.

For more detail on choosing the right ballistic furniture for your school, courthouse, house of worship, or government facility, see our complete buyer's guide.

→ Read the Complete Buyer's Guide

To talk through your specific application, reach out to our team—we're happy to help you think through which level fits your setting and your safety plan.

✉️ sales@podiumsdirect.com 

☎️ 800-421-9678

Sources

Specifications in this guide are drawn from:

• National Institute of Justice Standard 0108.01 — Ballistic Resistant Protective Materials
• National Institute of Justice Standard 0101.06 — Ballistic Resistance of Body Armor (2008)
• National Institute of Justice Standard 0101.07 — Ballistic-Resistant Body Armor (published November 29, 2023)
• National Institute of Justice Standard 0123.00 — Specification for NIJ Ballistic Protection Levels and Threats (October 2023)
• Underwriters Laboratories UL 752 — Standard for Bullet-Resisting Equipment

NIJ test certifications should be verified directly with product manufacturers for the specific product configuration being evaluated.