Aimpoint CEU Rotatable Concealed Engagement Unit

SKU: 12156 Category:

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For dealers only!

If you are a dealer, please contact us for more information regarding this product.

The Aimpoint CEU (Concealed Engagement Unit) gives the operator the ability to observe and/or engage a threat from a concealed or covered position. The Aimpoint CEU easily rotates from side to side, so an operator can safely look around either right or left-hand corners, over barricades and under vehicles. It can also be quickly removed in order to rapidly return to direct engagement.

The Aimpoint CEU rotates a full 260° allowing the operator to safely look around either right or left-hand corners, up staircases or down tunnels from almost any angle. To mount the CEU, use the Aimpoint TwistMount base and choose the CEU ring which allows co-witnessing with the Aimpoint sight.


  • Designed to be compatible with all Aimpoint® sights
  • Designed to provide a “true image,” NOT a reversed mirror reflection
  • Allows aiming over walls, under cars, around corners without exposing head and torso
  • Does not affect the weapon’s point of impact
  • Can be passed between team members
  • Rugged, affordable device
  • Small and light
  • Easily removed from the weapon if necessary
  • Turns a standard infantry weapon into a scouting tool
  • No need to equip a team member with a specialized weapon
  • Rotates a full 260°
  • Designed to withstand extreme conditions


Art.No: 12156

Operating principle: Dual mirror reflective device for true target view
Optical magnification: 1x
Aiming dot size: Uses the reticle of the combining sight
Optical signature: No optical signature
NVD compatible: No
Clear aperture: 25 mm
Eye relief: Unlimited

Battery type: No power required

Length conf: 90 mm (3 9/16")
Width: 115 mm (4 1/2")
Height sight only: 40 mm (1 9/16") CEU only, detached from the CEU Rise Ring and TwistMount base
Height conf: No standard config, can be mounted with 2 different configs.
Weight sight only (incl battery): 130 g (4,6 oz), CEU only
Weight conf: With Low Top ring 165 grams (5,8 oz). With High Top ring 185 grams (6,5 oz).
Housing material: High strength glass reinforced polymer
Housing finish and color: Grey, non-glare finish
Material mount and spacer std conf: Used with either the CEU High- or Low Rise Ring
Surface treatment: Rubber, black, non-glare finish
Height of optical axis - sight and mount: 30 mm (1 3/16") (CEU Low Rise Ring)
Height of optical axis - sight, mount and Micro spacer XX: 39mm (1 9/16") (CEU High Rise Ring)
Adjustment: Rotation around optical axis: ±130°, measured from CEU pointing vertically upwards

Temperature range operation: 5°C to 55°C (41°F to 131°F)
Temperature range storage: -51°C to 71°C (-60°F to 160°F)
Temperature shock: Operable after a temperature shock between -45°C and +71°C. Duration: 4h of Hot +71°C, 4h of Cold -45°C. Cycling: 3 times
Humidity: Operates despite humidity. Limits: RH: 95%, Temp: 20ºC to 50 ºC, cyclic
Immersion, static: Operates after immersion. Limits: Depth: 25m (83 ft.)
Shock: Operable before and after shock. Limits: X-axis: 500 g, 0.7 – 1.1 ms (3 shocks), Y-axis: 40g ±4g, 11 ±1ms (2 shocks in each direction, Z-axis: 40g ±4g, 11 ±1ms, 2 shocks in each direction. Functional during exposure (room temperature)
Vibration: Operates despite vibration. Limits: Vibration, sinusoidal in a frequency range of 10-150 Hz. Frequency: 10-30 Hz, ±1.587 mm, Frequency: 30-150 Hz. 5.75 g, 1 octave/min
Chemical resistance: Withstands occasional contamination of: Hydraulic oil (FSD 8407, Tryckolja 021), Lubricating oil (FSD 8127, Motorolja 5W/30), Lubricating oil (FSD 8220, Smörjfett 220), Lubricating oil (Break Free), Fuels (FSD 8612, Diesel fuel oil), Solvents/cleaning (FSD)

Additional information


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