Powerclaw Superior Latching System: Secure and reliable closure Indestructible and Lightweight NK-7 Resin: Durability without the bulk Water Resistant and Dustproof IP65 Rated: Protection against the elements Built to organize, protect, carry and survive tough conditions, the 910 waterproof hard case is impenetrable and indestructible with a lightweight tough NK-7 resin shell and PowerClaw superior latching system. The NANUK 910 Pistol Optic Ready Case is light and fast. Its designed for a single classic style or Glock pistol with mounted optics and 3 single stack magazines.