CROSSFIX™ Mounts for Cross Dominance

"Does it work?  I went to the range with an Aimpoint M2, Micro T-1, and EOTech XPS and had great success.....impressed with how robust and simple of a solution Crossfix is".  Guns & Ammo AR-15 magazine, 2025 Issue No. 3. 

Our newest mount addresses cross hand-eye dominance, which impacts over 15% of the population.  Simply attach to the upper receiver with the optic on your dominant eye side and cant the rifle inward - or move your head slightly - to shoot with both eyes open.  Bore concentric with M4-height upper.  

Available in 2 heights: Mk1 mimics the cheek weld of a 1.54" height mount, while Mk2 is 1/4" taller.  In the photos, the Mk1 is shown with an Aimpoint, while Mk2 is shown with an EOTech.  

For zeroing, you have the choice of a lateral offset or converging zero. 

Reversible for left and right hand use

Made in USA.  7075-T651 aircraft aluminum - Type III Black hardcoat anodize

Weight: Mk1 2.4 ounces / Mk2 2.6 ounces

7 slots for attaching optics, while only using 4 slots on your upper receiver

LPVO Use: if your mount uses 7 slots, such as the Badger Condition One, Vortex/Seekins CM-534, or Sig SOA20014, you may be able to rotate your scope within the mount so that your crosshairs track vertically and horizontally with a slight cant of the rifle.  This offers a parallel zero with minimal offset, or an intersecting zero.  NOT compatible with mounts requiring 8 or more slots.  (9-slot Mk3 version coming Q1 2026). 

Compatible with Trijicon ACOGs.  

Install with 5/32" hex bit (not included)

Range demo of 50 yd zero on Crossfix Mk1 with Colt 6920, Winchester M193, with 50% IPSC at 100 yards and 66% IPSC ar 200 yards.  No lateral point of impact shift.  Rifle is level on a bipod.  

RECOMMENDED ZEROING PROCEDURE FOR CROSSFIX™ OPTIC RISER

Our Crossfix™ riser is designed specifically for cross-dominant shooters, where the dominant hand and dominant eye are on opposite sides. It places the optic on your dominant-eye side of the rifle, allowing a natural shooting position with your dominant hand while aligning the sight picture with your dominant eye.

INSTALLATION

1. Attach the Crossfix Mount to the dominant-eye side of your rifle's upper receiver.
2. Torque the mounting screws to 25 inch-pounds using a high-quality 5/32" hex bit.  Apply gradual tension back and forth on both screws.
• Apply firm downward and forward (toward the muzzle) pressure while tightening to ensure proper seating.
• We recommend using VC-3® threadlocker (preferred), or blue or purple Loctite®.
• Apply sparingly to screw threads—only as much as needed for secure hold. Allow VC-3 to fully dry and cure for 24 hours before threading.
3. Install your optic onto the Crossfix riser.
• Press the optic downward and toward the muzzle while tightening the optic's screws to manufacturer-specified torque.

ZEROING AT THE RANGE To achieve an accurate zero, level the optic (not the rifle) during the process. This compensates for the mount's offset and ensures adjustments align properly.

1. Stabilize the rifle (using a bipod, bag, or similar) and cant (tilt) the rifle so the optic is level.
• The upper receiver will angle slightly inward toward your non-dominant eye.
• The optic will sit directly above the bore when leveled.
2. You may need to fire using your non-dominant hand during this zeroing phase.
3. At your chosen zero distance (e.g., 50 meters, 36, 50, 100 yards, etc), adjust the optic normally:
• Windage — horizontal (left/right) adjustments.
• Elevation — vertical (up/down) adjustments.
  Fire 5-round groups, confirm point of impact, and adjust as needed.

NORMAL SHOOTING (CROSS-DOMINANT POSITION)

1. Hold the rifle level in your natural, comfortable shooting stance (dominant hand on the grip/trigger).
2. Grip the handguard with your non-dominant hand and press the trigger with your dominant index finger.
3. Acquire the target using your dominant eye, preferably with both eyes open.
• The optic will appear tilted when the rifle is level—this is normal and intentional.
• This positions the reticle directly in line with your dominant eye for fast, natural target acquisition.
• When switching shoulders, continue using your dominant eye (the mount works reversibly).

QUICK REFERENCE SUMMARY

• Zeroing & non-dominant hand shooting: Rifle canted (tilted), optic level.
• Dominant-hand shooting: Rifle level, optic canted (tilted).

IMPORTANT SAFETY PRECAUTIONS

• Always treat every firearm as if it is loaded.
• Never point the muzzle at anything you are not willing to destroy.
• Keep your finger off the trigger and the safety engaged until your sights are on target and you are ready to fire.
• Be absolutely certain of your target and what lies beyond it.
• Follow all standard firearm safety rules and local laws.

For additional support or questions, visit rotapoint.com or contact customer service. Safe shooting!

© 2025 ROTAPOINT SYSTEMS LLC