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    A combination of the Eotech EXPS3-4 Red Dot + the G33 Magnifier - the HHS 1 allows quick transition from CQB situations to 500m targeting or surveillance.

    For the infantryman, target ranges vary in ever-changing battlefield conditions. The HHS provides a solution for engaging threats in CQB situations, then quickly transitioning to a 500m targeting or surveillance situation. Instant transition is achieved through a quick Switch-to Side (STS) mount that offers a simple, quick disconnect feature to remove the magnifier and base.

    The EXPS3-4 is configured with a new ballistic matching reticle image for the M4 carbine. The battle tested circle/dot reticle will be offered along with a series of 1 MOA aiming dots that are vertically aligned and calibrated specifically for the ballistic drop of .223 caliber ammunition with 4 aiming dots for target distances of 0-300m, 400m, 500m, and 600m.  The use of a magnifier is strongly recommended.

    Product Specs

    • Aiming dots may not be distinguishable from each other without magnifcation.
    • Single transverse 123 battery to reduce sight length
    • Ballistic reticle specific to .223 caliber munitions
    • Compatible with Gen I-III+ Night Vision Systems (tandem operation)
    • Shortened base only requires at most 2 3/4 inch of rail space
    • Battery cap and latch are eliminated and replaced with a simple O-ring, tethered cap; better sealing is achieved
    • Average battery life at brightness level 12 is roughly 600 hours
    • Side buttons, NV compatible with an adjustable, locking, quick detach lever for easy attachment and removal
    • Optics: Transmission holography - parallax free 
    • Magnification: 1x 
    • Eye Relief: Unlimited 
    • Length/Width/Height: 8.1 x 2.2 x 2.8 in
    • Weight: 23.1 oz (689 grams) 
    • Temperature: -40 to 160 F 
    • Waterproof: Submersible to 33 ft depth 
    • Sealing: Fogproof internal optics 
    • Adjustment (per click): 0.5 MOA (1/2" at 100 yds) 
    • Adjustment Range: +/- 40 MOA travel 
    • Mount: 1" Weaver or (MIL-STD-1913) rail. Adjustable for width variation 
    • Return to Zero: Repeatable to within 2 MOA after re-mounting 
    • Night Vision Compatibility: 10 brightness setting (generation I-III+) 

    Heads-Up-Display Window

    • Optical Surfaces: Anti-glare coating 
    • Window Dimensions: 1.20" x 0.85" (30 x 23mm) 
    • Front Window Material: 1/8" solid glass 
    • Rear Window Material: Shatter resistant laminate (3/16" thick) 
    • Field of View (100 yds): 30 yds (28m) at a 4" eye relief 


    • Brightness Adjustment Range: 146,000:1 brightest to lowest 
    • Night Vision Brightness Range: 1280:1 with NV switch engaged 
    • Power Source: (1) 123 lithium battery 
    • Battery Life: 600 continuous hours at nominal setting 12 
    • Brightness Settings: 30 settings with scrolling feature (10 settings for NV use) 
    • Auto Battery Check Indicator: Flashing reticle upon start-up 
    • Auto Shut-down: At 8 hrs- programmable to 4 hrs 

    Magnifier specs:

    • Magnifcation Fixed: 3.25X 
    • Eye Relief: 2.2 in 
    • Field of View: 7.3 degrees 
    • Length: 3.9 in 
    • Temperature: -40 degrees to 160 degrees F 
    • Waterproof: 33ft 
    • Sealing: Fogproof Internal Optics 
    • Mount: 34mm ring with integrated dovetail adapter for use with quick release mount 

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