FAST™ Absolute Riser securely elevates block-type red dot optics with an absolute co-witness height to a 2.26″ optical center line.  FAST™ Absolute Riser provides an elevated M1913 Picatinny platform for direct attachment of optics, such as EOTech® XPS®, Leupold® LCO® and other absolute co-witness optics.

(2 customer reviews)

Earn up to 95 Points.

If you’re running a lower 1/3 co-witness height optic, you need the FAST™ Optic Riser.

The FAST™ Absolute Riser comes standard with a rail clamp and is compatible with our ADM QD lever kit (sold separately). The FAST™ Absolute Riser is built from 7075-T6 Aluminum and Type III Hardcoat Anodized Black or FDE*.


  • DIMENSIONS: 3.50″ (L) x 1.21″ (W) x 0.90″ (H)
  • WEIGHT: 2.8 oz.
  • MATERIAL: 7075-T6 Aluminum
  • COATING: Type III Hardcoat Anodized
  • MOUNT TYPE: Rail Clamp
  • COMPATIBILITY: All Direct-to-Rail Mounted Optics. Optimized for Absolute Co-witness Height Optics.

Additional information

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2 reviews for UNITY TACTICAL FAST™ Absolute Riser

  1. danny.reynolds86 (verified owner)

    When I need a riser I get a unity. Plain and simple they are the best in the business.

  2. ojuelle89 (verified owner)

    Great option for adding my xps2 to the unity ecosystem

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