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MSR Assault Helmet

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MSR Assault Helmet


  • Injection molded ABS shell with adjustable visor
  • Full EPS lined, including chin bar for increased structural integrity
  • Completely removable and washable liner that features moisture wicking fabrics
  • Multiple front air intakes with rear exhaust venting keeps your head cool
  • Meets or exceeds DOT standards
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MSR Assault Helmet 4 5 1 1
MSR Good price, good graphics, Hard to get on,...I almost sent the M back as it was initially really TIGHT to fit over the top of my head, but once on....(open the chin/mouth guard) it was a perfect fit. But as it is hard to get on....it is hard to get off. Just a very narrow opening.....so if you have a bigger head.....I do not, dont be surprised to find a tight fit... Im still glad I have this helmet though as competition helmets are very expensive. May 13, 2013
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MSR Assault Helmet
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Adult Helmets

Using a cloth tape, measure your head just above the ears and across the forehead and then refer to the chart below.

Size Hat Size Measurement (in)
XS 6 1/2 - 6 5/8 20.9-21.3
SM 6 3/4 - 6 7/8 21.7-22
MD 7 - 7 1/8 22.4-22.8
LG 7 1/4 - 7 3/8 23.2-23.6
XL 7 1/2 - 7 5/8 24-24.4
2XL 7 3/4 - 7 7/8 24.8-25.2

Sizing information is provided by the manufacturer and does not guarantee a perfect fit.

Click here to see the full MSR Size Chart
Product Style RevZilla SKU ID Manufacturer Product # Availability
Orange / XS 831614 359249 Out of Stock
Orange / SM 831621 359250 Out of Stock
Orange / MD 831622 359251 Out of Stock
Orange / LG 831623 359252 Out of Stock
Orange / XL 831624 359253 Out of Stock
Orange / 2XL 831625 359254 Out of Stock