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HYDRA is the first dual optic mount designed for end users that offers a 2.91” Optic Centerline for faster target ID, regardless of gear/ equipment obstructions, ie. EarPro/Comms headsets, Gas masks/ CBRN, and Night vision use. A higher Optic allows for a more athletic posture and “Heads up” attitude that allows the end users to maintain a vertical spine which translates to body armor or “presenting plates” to the threat. This “Heads up” style allows for faster processing speed and increased situational awareness.

The unique and patented design offers two separate elevated MIL-STD-1913 rail, or Picatinny, platform for direct attachment of optics and aiming devices. It’s perfect for the super short PDW/SMG platforms where rail space is limited but the need of mounting a light and laser is still critical. The pass-through on the neck allows for cable management or iron sight passthrough. 

There is no longer a need to compromise your grip because of equipment or have to relocate your hands because of limited rail space. We achieve this by elevating the light or laser off the Picatinny and closer to the red dot optic. This alleviates obscuration and brings the weight to the center of the platform over the magazine well. 

Although specifically designed for the EOTECH EXPS Series, the mount is also compatible with other optic brands that have MIL-STD-1913 rail/ picatinny attachments. 

The HYDRA is constructed from 6061 - T6  Aluminum and Cerakoted Black or FDE*.

What's included:

  • 1 x Hydra Mount
  • 1 x S3 Case
  • 1 x Chapman custom tool kit
  • 1 x Hydra Mount Sticker 




GBRS Group offers a limited lifetime warranty against defects in materials or workmanship affecting the quality and function of its products when used in the correct manner. Products must not have been misused, improperly set-up, or been abused for this warranty to apply. The determination is solely GBRS Groups and its obligation will be to repair or replace the defective product. Purchaser determines suitability of all product usage and assumes all risk and liability. Neither the seller or manufacturer shall be held liable for any injury, loss or damage from use of the product. Please contact us for a written return authorization before sending anything back. No credits of any kind will be offered without such authorization.

***This product contains chemicals/materials known to the State of California to cause cancer and other reproductive harm. To learn more, visit***