Library
Manufacturer-neutral reference content for body armor procurement professionals. New briefs published automatically when regulatory monitoring agents detect a material change.
The authoritative hub for ballistic helmets — NIJ 0106 and ACH-GEN-II standards, cut styles (ACH / MICH / FAST / high-cut), pad vs dial retention, NVG mounting (Wilcox, Ops-Core VAS), and procurement. Source-cited across every spec.
ACH-GEN-II is the US Army's performance specification for Advanced Combat Helmet and its derivatives. It covers fragmentation V50, 9mm V50, backface deformation, and retention — a tougher spec than NIJ 0106. This guide covers what it specifies and why LE agencies increasingly require it.
MICH, ACH, and FAST are three helmet names that get used interchangeably — and shouldn't be. MICH is a SOCOM program, ACH is the Army program, and FAST is a commercial Ops-Core lineage. This guide separates them and tells you which one your RFP actually specifies.