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Strike Industries REX Riser - Red

Strike Industries REX Riser - Red

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$34.95
MSRP
$34.95
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Updated
Apr 11, 2026
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Specifications

MPN
SI-REX-RISER-RED

Description

Strike Industries REX RiserThe R.EX Riser is a low-profile, lightweight riser for AR platforms. Set at the ideal height for co-witnessing with the SI Reflex Exoskeleton mount and either A2 height or Sidewinder sights (without spacer), the REX Riser is versatile and provides a solid mounting platform. While optimized for use with the R.EX Mount, the universal Picatinny pattern can be used with many other optics that can be mounted on Picatinny sections.Features Low-profile rail riser Lightweight, 2 oz total installed co-witness height. Co-witness with A2 or Sidewinder Sight using R.EX Mount 3 Picatinny slot sectionsSpecifications Weight: 2 oz Heights: W/Spacer 0.630 inches. W/out Spacer 0.530 inches, Spacer height: 0.100 inches R.EX Exoskeleton will add 0.200 inches of height to either combination of the Rex Riser Base: 6061-T6 Al, requires 5 rail sections of space to mount properly. Total Length of Picatinny Riser: 2.09 inches Spacer: 6061-T6 Al Clamp: Steel Screw: Steel Finish: TIII Hard anodize (BK) TII Color Anodize Available color: Black, Blue, FDE, REDIncludes 1x Riser Base 1x M5x30mm Cap Head Hex Screw 2x 10x3x.48mm spring 1x Clamp 1x Spacer 1x Riser rail 4x M3x6mm button head hex screwInstructions Use the included spacer in conjunction with the R.EX Mount for absolute co-witness with A2-height sights. Use R.EX Mount with no spacer to co-witness with Sidewinder Sights only.Note: Medium Strength Loctite Recommended (Included).Note: Uses a proprietary Picatinny rail design. Will work with most mil-spec 1913-style rail attachments, however.M3 Screw Torque Specs: Do not exceed 10 inch-lbs, and hand-tighten only by holding onto the short end of the allen key included.M5 Bolt Torque Limit = 25 inch lbs maximum with thread locker.
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