Strike Industries R.E.X. Riser FDE

The Strike Industries R.E.X. Riser is a low-profile, lightweight Picatinny riser engineered for AR-platform optics mounting. It is sized to provide co-witness height when used with the SI Reflex Exoskeleton mount and supports co-witnessing with A2 or Sidewinder sights without the spacer. Constructed from machined aluminum and finished in Flat Dark Earth anodize, the riser provides a compact, universal Picatinny interface with a three-slot section for optics and accessories.

Key Specifications

• The riser is made from 6061-T6 aluminum for durable, machined construction.
• The unit has a reported weight of 2.58 oz.
• The total length measures 2.09″ for a compact mounting footprint.
• The finish is Flat Dark Earth anodized for corrosion resistance and consistent appearance.
• The mount height is 0.53″ (without spacer) to 0.63″ (with spacer) to allow co-witnessing options.
• The riser provides a 3-slot Picatinny rail section for optics and attachments.
• The mount type is a Picatinny rail with a proprietary section design compatible with most mil-spec 1913-style attachments.
• The package includes medium-strength Loctite as recommended for installation.
• The product requires five rail sections to properly mount per manufacturer guidance.
• The item ships as one piece and does not include rings.

The R.E.X. Riser delivers a straightforward solution for shooters needing a reliable, low-profile mounting platform. Its lightweight profile and co-witness height options make it suitable for sighting setups where space and alignment matter, while the 3-slot Picatinny section supports a range of optics and accessories. Finished in Flat Dark Earth anodize and built from 6061-T6 aluminum, it balances durability and minimal weight for practical use on AR-style handguards.