Inside a Ballistic Vest OEM Project: From Design to NIJ Testing

A complete walkthrough by ArmorGuard explaining how an OEM ballistic vest project moves from concept and design to NIJ testing and certified production.

A ballistic vest OEM project is not merely a manufacturing process—it is an engineering collaboration between design, materials science, and certification expertise. Professional OEM projects follow defined technical stages, ensuring each product meets ballistic performance requirements under NIJ and STANAG standards. At ArmorGuard, every OEM project integrates R&D, production, and testing within our ballistic protection manufacturing framework.

ArmorGuard OEM Projects – 2025 Snapshot

CategoryShare of Total OEM ProjectsTypical Client TypeProject Nature
Government / Defense Procurement45%Ministry of Defense, Police Forces, UN Peacekeeping UnitsTender-based ballistic vest/plate contracts
Tactical Gear Brands (Private Label / ODM)35%Overseas tactical & outdoor brandsCustom vest, plate carrier, and MOLLE gear design
Security & Private Agencies15%Corporate security, energy companies, NGOsLightweight soft armor and covert protection systems
Testing & R&D Collaboration Projects5%Material developers, certification labsNew material validation & prototype testing

Every OEM project begins with precise technical specifications. ArmorGuard’s engineering team collaborates with clients to define mission profiles, target NIJ level, weight requirements, and ergonomic constraints. This data forms the foundation for CAD-based vest design and component mapping.

Material selection plays a critical role at this stage. Designers evaluate Aramid vs UHMWPE Typical Ballistic Vest Design Parameters (Reference for OEM Projects)

ParameterTypical Range / StandardNotes / Industry Reference
Protection LevelNIJ Level IIIA (soft armor) / NIJ Level III or IV (hard armor)Defined according to mission profile and ammunition threat
Total Vest Weight≤ 6.5 kg (Level IIIA soft armor) / ≤ 9.5 kg (Level III plate carrier)Optimized for a balance between mobility and protection
Panel Areal Density3.5 – 5.0 kg/m² (Aramid) / 2.8 – 4.5 kg/m² (UHMWPE)Based on the material configuration and lamination method
Coverage Area0.40 – 0.55 m² (front + back panels)Designed for torso protection following NIJ fit standards
Back-Face Deformation (BFD)≤ 44 mm (NIJ 0101.06 limit)Verified during ballistic testing
Multi-Hit Capability≥ 6 rounds (NIJ IIIA) / ≥ three rounds (NIJ III/IV)Evaluated using the spaced-impact test pattern
Outer Fabric500D – 1000D CORDURA® / Nylon 66 IRR treatedResistant to abrasion and UV degradation
Fastening SystemHook-and-loop, MOLLE/PALS modular systemConfigurable for tactical accessories
Ergonomic Adjustment RangeWaist 80–120 cm / Shoulder + Chest adjustable strapsAccommodates multi-user fitting
Environmental Resistance-20 °C ~ +55 °C operational range / humidity ≤ 80 %Per MIL-STD environmental test guidance
Design VerificationCAD-based patterning + prototype fittingConducted before ballistic panel lamination

Once CAD designs are approved, ArmorGuard produces prototypes for fit evaluation and basic impact testing. This stage validates comfort, weight distribution, and operator mobility before proceeding to ballistic validation.

Prototypes are tested using soft and hard inserts under controlled conditions to assess flexibility and thermal comfort. The ergonomic data collected helps reduce long-term fatigue for end users — see how advanced ballistic materials reduce fatigue for soldiers.

⚙️ Prototype Development and Fit Testing Parameters (Reference for OEM Projects)

ParameterTypical Value / RangeNotes / Application Context
Prototype Development Cycle7–10 working daysFrom CAD confirmation to the first wearable prototype, it may extend to 14 days for plate carriers.
Sample Cost per DesignUSD 300–600 / modelIncludes labor, material, patterning, and basic performance test (excluding NIJ certification)
Included Components1× outer carrier, 1× ballistic insert set (dummy or low-energy tested), 1× pattern fileDelivered for fit, comfort, and modularity assessment
Fit Evaluation MetricsShoulder mobility, waist adjustability, overall comfort rating (1–5 scale)Evaluated by test operators or agency representatives
Weight Deviation (vs. Final Product)±5%Ensures consistent real-mass simulation before ballistic insert replacement
Thermal & Breathability CheckAir permeability ≥ 100 mm/s (ISO 9237 reference)Essential for tropical operational climates
Feedback Integration Time3–5 days after prototype deliveryAdjustments recorded before final ballistic cut approval
Common Testing SetupSoft armor (NIJ IIIA) + dummy hard plateUsed for ergonomic and load distribution testing only

Before official NIJ testing, each prototype undergoes in-house ballistic verification to ensure compliance with expected energy absorption and backface deformation thresholds. ArmorGuard’s quality engineers perform live-fire testing at controlled velocities, measuring BFD (≤44mm) and evaluating V50 data for consistency.

This internal process reduces risk and cost during formal testing. All pre-test data is recorded and compared with ballistic testing and certification.

After successful pre-testing, the project moves into full-scale production. ArmorGuard’s OEM facilities utilize automated cutting, lamination, and assembly lines equipped with digital traceability systems. Every component batch is tracked from incoming material to final inspection.

Each factory is managed under ISO 9001 standards with layered quality checks — see how to choose a reliable body armor OEM factory in Asia. In-process inspections, tensile testing, and seam durability tests ensure defect rates remain below 1% per batch.

Production MetricArmorGuard Reference DataDescription / Notes
Production Lines (Total)8 automated + 4 semi-auto linesIncludes four cutting & lamination lines, eight sewing/assembly lines across Thailand & Myanmar plants
Daily Output Capacity1,800–2,200 tactical vests/dayScalable depending on plate type, stitching complexity, and shift schedule
Monthly Output Capacity≈45,000–50,000 units/monthTypical consolidated volume across all factories
QC Team Size18 inspectors + 6 engineersFull-time QA/QC staff per shift across both facilities
Inline QC Frequency1 check per 25 unitsRandom inspection for stitching, weight, and label traceability
Defect / Rejection Rate<1.0% per batchMaintained through a real-time defect tracking dashboard
Material Traceability100% digital batch trackingEach lot is tagged with a QR code linked to the supplier certification
Testing EquipmentBallistic sample range, tensile tester, moisture chamber, seam fatigue testerUsed for process and pre-shipment verification
ISO CertificationISO 9001:2015 / ISO 14001:2015Documented quality and environmental management systems

Once mass production samples pass in-house validation, ArmorGuard coordinates with accredited third-party labs for NIJ 0101.06 or 0101.07 testing. The results form the basis for the final certification dossier, including test reports, material traceability records, and ballistic verification sheets.

Certified products are serialized, labeled, and packaged in accordance with government or brand requirements. For NIJ level definitions and test parameters, refer to Understanding NIJ Ballistic Levels.

ArmorGuard’s OEM workflow combines ballistic expertise, rapid prototyping, and certified testing into a single integrated system. Unlike typical subcontractors, all design, lamination, and ballistic verification are executed in-house, ensuring faster turnaround and consistent compliance. Clients benefit from data transparency, short lead times, and flexible MOQ options — supported by our OEM & ODM solutions.

social share

Start Your Government Tender with Confidence

Fast prototyping. Global delivery. Certified quality.