4" × 4" Bulletproof Insert

Ultra-compact ballistic protection for the places larger panels simply cannot fit.

The Bullet Blocker 4" × 4" Bulletproof Insert is a compact ballistic panel designed to add discreet, targeted protection inside smaller bags, pouches, compartments, organizers, and everyday carry gear.

At just 4 inches wide by 4 inches tall, this small bulletproof insert provides ballistic coverage while maintaining an exceptionally compact profile. It is an ideal option when a traditional backpack-sized ballistic panel is simply too large for the available space.

Constructed using advanced DuPont™ Kevlar® ballistic materials, the panel is flexible, lightweight, and approximately ¼" thick. Its small footprint allows it to be discreetly placed inside existing gear without taking up significant storage space or changing the appearance of the item carrying it.

The 4" × 4" insert can also be used as supplemental ballistic coverage alongside larger Bullet Blocker inserts, giving users greater flexibility when configuring their protective gear.

Why Choose a 4" × 4" Bulletproof Insert?

• Ultra-compact protection: Adds ballistic coverage in spaces where conventional backpack inserts may not fit.
• Fits smaller compartments: Designed for compatible bags, pouches, organizers, cases, packs, and other compact storage areas.
• Discreet design: Small enough to remain concealed inside compatible everyday gear.
• Easy to transfer: Move the panel between compatible bags and equipment as needed.
• Supplemental coverage: Can be paired with larger ballistic inserts when additional coverage or positioning flexibility is desired.
• Slim construction: Approximately ¼" thick to minimize bulk.
• Flexible Kevlar® construction: Provides ballistic protection without the weight and rigidity associated with hard armor plates.
• Durable outer sleeve: Water-repellent, rip-resistant, and easy to clean.
• Made in the USA: Proudly manufactured in the United States.

What Is a 4x4 Bulletproof Insert Used For?

Our compact dimensions make the 4" × 4" ballistic insert especially useful when space is limited. Rather than attempting to replace a larger backpack panel, it provides a way to add a small area of ballistic protection to compatible gear that may otherwise be too small to accommodate body-armor materials.

Perfect for backpack compartments, messenger bags, handbags, equipment bags, organizers, protective cases, pouches, travel bags, and other everyday carry gear.

Ballistic Protection

• Constructed using advanced DuPont™ Kevlar® ballistic materials.
• Tested to NIJ 0101.06 Level IIIA ballistic performance standards.
• Under the NIJ's updated protection-level nomenclature, Level IIIA corresponds to HG2 handgun protection.
• Designed to provide protection against common handgun threats within its tested ballistic rating.
• Flexible ballistic construction allows the insert to fit inside a wide range of compatible compact spaces.

Product Specifications

• Product: Bullet Blocker 4" × 4" Bulletproof Insert
• Dimensions: 4 inches wide × 4 inches tall
• Ballistic coverage: 16 square inches
• Thickness: Approximately ¼" or 6.35 mm
• Protection level: Tested to NIJ 0101.06 Level IIIA standards
• Updated NIJ nomenclature: HG2 handgun protection
• Ballistic material: DuPont™ Kevlar®
• Outer sleeve: 100% 420-denier coated nylon
• Country of manufacture: United States of America