Z strony dystrybutora :
Viper Interlocking Long Rails are part of the Galvion BATLSKIN suite of accessories for the ACH/MICH Helmet Platform. They work in conjunction with the BATLSKIN Viper Front Mount to give users ARC Rail capabilities. The Viper Interlocking Long Rails will only interface with helmets sporting the Viper Front Mount and cannot be secured to helmets separately. The proprietary ARC Rail geometry is licensed from Ops Core, and has become the industry standard for helmet rails. If you are using the Galvion BATLSKIN Front Mount, you should definitely be using the Interlocking Long Rails