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Viper P4 Full Cut Helmet System

Regular price $1,169.99 Sale

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Product Details

These items are controlled by the U.S. Government and authorized for export only to the country of ultimate destination for use by the ultimate consignee or end-user(s) herein identified. They may not be resold, transferred, or otherwise disposed of, to any other country or to any person other than the authorized ultimate consignee or end-user(s), either in their original form or after being incorporated into other items, without first obtaining approval from the U.S. government or as otherwise authorized by U.S. law and regulations.

You will be required to fill out our EAR Compliance form (click here) prior to your order shipping.

This product is a build-to-order item and ships in approximately 4 weeks.

Revision has modernized the traditional advanced combat helmet: The Viper P4 system is up to 24% lighter than the legacy U.S. Army ACH and represents the first significant advancement in ACH technology in 15 years.


  • Viper P4 Full Cut Helmet Shell
  • 1 NVG Hole
  • Modular Suspension System
  • Front Mount
  • Interlocking Long Rails
  • Hardware Kit


  • B3 Technology - Revision’s advanced UHMWPE helmets meet stringent quality standards and exceed U.S. military specifications for ballistic threats, blunt impact, and blast fragmentation
  • Lightweight - Advanced composite shell technology combines elite protection, extended-use comfort, and impressive weight reduction
  • Custom Modular - Customize the Viper Head System for the mission at hand: The Viper helmet is the foundation for a suite of integrated, modular components, including front mounts, rail systems, ballistic visors, mandible guards, and tailored liner options
  • Enhanced Ballistics - Exactingly designed and precision manufactured with advanced, cutting-edge materials, Revision's head systems provide the best high-impact ballistic protection in the industry, exceeding numerous U.S. and international protection standards
  • Viper Shape - Viper helmet shells feature a streamlined, modernized, cutting-edge design inspired by the U.S. Army Advanced Combat Helmet


Sizes Available

  • Small
  • Medium
  • Large
  • Extra Large


  • System Weight (Medium - including helmet, MSS and hardware): 1140 g

    Color Options

    • Black, Olive Green, Foliage Green, Desert Tan, Tan 499


    • Compatible with Viper MPAS
    • NOT Compatible with Cobra MPAS
    • NOT Compatible with Caiman accessories
    • Compatible with Viper Helmet Covers
    • Compatible with Helmet Storage Bag
    • Compatible with NVG Shock Cord

    Testing & Requirements

    • 17gr FSP V50 Average 2400 fps / 730 m/s and meets all other ACH level fragmentation requirements
    • 17gr FSP V50 >2400 fps / 730 m/s tested to STANAG 2920
    • 9mm RTP, 124gr FMJ-RN, 427 m/s (1400 fps) with low deformation (<25mm in clay)
    • Ballistic protection according to the U.S. Army's AR/PD 14-01
    • Stops NIJ IIIA level threats

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