Ops-Core Sentry LE Mid Cut Ballistic Helmet

$1,495.00 $775.00
Bulk Pricing:

Below are the available bulk discount rates for each individual item when you purchase a certain amount

  • Buy 2 - 5 and pay only $760.00 each
  • Buy 6 or above and pay only $740.00 each
(1 review)
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Ops-Core Sentry LE Mid Cut Ballistic Helmet


The Sentry offers the same level of protective head coverage as the US Army ACH/ECH with improved interoperability between communication headsets, visors, and accessories for mandible protection. It also provides better hearing localization and attenuation than the ACH with a modified ear area shape, and is compatible with ARC Rail mounted COMMs and hearing protection devices.


  • Completely redesigned full ear helmet solution
  • The “XP” version of the shell is built using hybrid composite ballistic materials that weigh a ½ lb less than the ACH while meeting all of the ballistic performance requirements of the US Army’s CO/PD-05-04 2007 specification
  • The Worm-Dial adjustable fitband with replaceable front, nape, and side pads quickly detaches to allow convenient donning / doffing of COMMs headsets with headbands while being more compact than the Occ-Dial version used in the FAST helmet models
  • The ventilated multi-impact liner has repositionable EPP impact pads and LDV closed-cell comfort foam that is not affected by temperature, altitude, or moisture
  • Gives helmet 4x more stability than standard issue ACH helmet suspension / retention products
  • Sentry has additional ballistic capability with ballistic Moto Mandible and ballistic Moto Visor
  • Compatible with headband COMMs and external rail-mounted COMMS like the RAC headset
  • Same ARC and bungee benefits as the FAST Helmet
  • Ops-Core Shroud included on the helmet: compatible with front mount visors, flashlights and other visual enhancement devices


  • Weight:
    • M: 1.92 lbs.
    • L: 2.03 lbs.
    • XL: 2.11 lbs.
  • Helmet Sizing Circumference (inches):
    • M: (20 7/8-22 1/2″)
    • L: (22 1/2 – 23 1/4")
    • XL: (23 1/4 – 24″)
  • Head Size:
    • M: (up to 7 1/8)
    • L: (up to 7 3/8)
    • XL: (up to 7 5/8)
  • Chinstrap:
    • M= Medium Chinstrap
    • L= Large Chinstrap
    • XL= X-Large Chinstrap
  • Impact Protection: CE EN 1385 & ASTM F1492 U.S. Army – ACH Specification: Chinstrap Retention & Non Ballistic Impact Protection
    • Less than 150 G’s of Force Imparted to Head w/ Multiple Impacts up to 10fps
    • Less than 200 G’s of Force Imparted to Head w/ Multiple Impacts up to 14fps

Ballistic Protection:

  • 2-Grain (V50): 4200 f/s (1280 m/s)
  • 4-Grain (V50): 3475 f/s (1059 m/s)
  • 16 Grain (V50): 2475 f/s (754 m/s)
  • 64 Grain (V50): 1750 f/s (533 m/s)
  • 17 Grain / 1.1 FSP (V50): 2200 f/s (670 m/s)
  • 9mm FMJ RN: 1400 f/s (427 m/s) – BFD < 1.0″


  • 5

    Posted by Robert on 6th May 2023

    I've been looking at these helmets for a while. The Ops-Core brand is top notch. Yep, it'll stop a 7.62 bullet so it's highly rated. Easy to adjust after you read the instructions or watch a video and it sits nicely and doesn't move around when running. You can configure this helmet to your liking and it has rails where you can add NV and lights and whatever else you might want to add. This is for a real SHTF situation and I'm glad I got one. It's a little pricey but you can't put a price on your brain so it's worth it IMO.