Mk1 Standard Inserts Accessory Rails Operational Temperature –32°C to 71°C:

Operational Temperature –32°C to 71°C: The filters have been exposed to high and low ambient storage temperatures without harmful effects

Rugged and comfortable

Designed for mobility operations

Designed for comfort during extended use

Three mag insert to be used in conjunction with the S&S Precision Dry Bag sold separately

Mk1 Standard Inserts Accessory Rails Operational Temperature –32°C to 71°C:While Ops Core Mk1 Performance Protective Eyewear is durable, sometimes severe elements and use can take its toll. To keep your eyewear operating at peak performance, be sure to replace worn out frame inserts. Ops Core Mk1 Standard Inserts securely and interchangeably mount your Mk1 lenses in the frames. Should your mission require it, you can easily add additional protection from wind and dust with our Ops Core Mk1 Foam Inserts. All inserts provide a