EOTech 552.XR308 Holographic Weapon Sight

Style: EOT-552.XR308
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Part No. 552.XR308
  • Product Description
  • Specifications
  • EOTech Statement
  • Customer Reviews

When the situation is critical and lives are on the line, difficult conditions and awkward positions become your best friend and your worst enemy. Rapid reticle-to-target lock-on is a necessity, not a luxury - particularly when the target is moving, shifting, and evading your advance. The stakes are high - success is mandatory; this is why you're equipped with the EOTech HWS.

EOTech's holographic technology employs a laser to create a virtual image of a reticle pattern in the heads-up display window. The reticle's pattern is embedded in the window - there is absolutely no light projected onto the target plane.

The HWS ensures significant gains in speed upon initial weapon presentation, and target-to-target shot placement. Seemingly effortless follow-up shots can be executed with unprecedented speed and accuracy. When deployed in CQB environments, the EOTech allows maximum peripheral vision by allowing the operator to take full advantage of a heads-up and both-eyes-open sighting technique.

The EOTech HWS has been standardized by the DEA, ATF and FBI SWAT. Because the HWS employs a true heads-up display it is a leading choice of military units like Stryker Brigade, 10th Mountain, and 3rd Infantry. The HWS eliminates the blind spots, constricted vision, and tunnel vision that is associated with standard tubular sighting systems. It is battle-proven to withstand the abuse from harsh environments, high-powered weapon platforms, and the toughest military missions.

The 552.XR308 HWS operates on a pair of AA batteries. The integral mount is compatible with Mil-Std 1913 Picatinny systems. The entire unit is submersible to a depth of 33.0', and its reticle is dedicated for use with .308 caliber ammunition - it offers hold-over dots for long-range shot placement. Additionally, The 552.XR308 is compatible with night vision devices (generations 1-3) - the holographic illumination system provides 10 brightness levels for use with NVDs.



Optical Performance

  • Front Window: 1/8" solid glass
  • Rear Window: 3/16" shatter-resistant laminate
  • Optical surfaces feature anti-glare lens coatings
  • Heads-Up Display: eliminates blind spots and constricted vision
  • Transmission holography - instantly visible in any light, parallax free
  • Even if the laminated window is obstructed or damaged, the HWS remains fully operational. Provided a portion of the window is intact/visible, the entire reticle pattern will be seen on target, and the POI/POA will be maintained.

Use and Handling

  • Automatic shut-down: 8 hr, programmable to 4 hr
  • Operates on 2 AA batteries - 1000 hr run-time
  • Operating temperature range with AA lithium: -40 to 150°F
  • Operating temperature range with AA alkaline: -20 to 140°F
  • Precision adjustments: 1/2 MOA clicks, 40 MOA W&E correction
  • Battery check indicator: flashing reticle at start-up. This system is based upon the characteristics of alkaline batteries, it does not function correctly with lithium batteries.
  • Illuminated .308 / 7.62x51 ballistic reticle: Features hold-over dots for long-range shot placement. 30 brightness settings with scrolling feature, 10 settings for use with NVDs
  • Night vision compatibility: gen 1-3, NV brightness range - 1280:1

Construction Details

  • Color/finish: non-reflective black hard-coat
  • Return to Zero: repeatable to 1 MOA after re-mount
  • Submersible to 33.0'/10.1 m, fogproof internal optics
  • Integral mount is compatible with Mil-Std 1913 Picatinny systems

Magnification: 1.0x
Objective Lens Diameter: 1.20 x 0.85" / 3.0 x 2.3 cm
Eye Relief: Variable
Field of View: 30 yd /28.0 m) @ 4.0" eye relief
Exit Pupil Diameter: 1.20 x 0.85" / 3.0 x 2.3 cm
Mounting System: Integral Mil-Std 1913 mount
Impact Point Correction: 1/2 MOA
Maximum Windage/Elevation Adjustment: Windage: 40 MOA/Elevation: 40 MOA
Weatherproofing: Submersible to 33.0' / 10.1 m
Battery / Runtime:

2 AA lithium: 1000 hr @ setting 12
2 AA alkaline: 600 hr @ setting 12
2 AA rechargeable: run-time n/a

Dimensions: 5.0 x 1.8 x 2.25" / 13.1 x 4.9 x 6.0 cm
Weight: 11.5 oz / 326 g

Will the HWS hold zero as temperature changes?

EOTech's sights will experience a point of impact shift away from the point of aim when the sight is used at a temperature different from the temperature at which the sight was zeroed. This shift is greater the more extreme the temperature change. For example, when a sight is zeroed at 70°F then acclimated to 50°F, less shift will occur. On the other hand, if zeroed at 70°F, then acclimated to 0°F, more shift could occur. The maximum shift will occur at temperature extremes and could be up to 5 MOA. Therefore, to acheive optimum accuracy, the sight should be re-zeroed whenever the temperature changes markedly from the temperature at which the sight was zeroed.

For more information, please see EOTech's FAQ Page at this link: EOtech FAQ Page

Please click here for important product performance specifications from EOTech.