- Product Description
- EOTech Statement
- Customer Reviews
The EOTech EXPS3-4 has been developed to optimize the functionality of the holographic weapon sight (HWS). The buttons have been moved from the back to the left side for instant access, allowing a magnifier, night vision or a back up iron sight to fit closely to the HWS body. This new button position allows the user to operate the HWS function switches easier than ever before. 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.
Because it's powered by a single transverse-mounted CR123A battery, the EXPS3-4 is shorter than the N and AA battery versions - yet it delivers the same parallax-free sighting capabilities. This sight requires a mere 2.75" of rail space, and the battery compartment is separated from the base to allow it to fit over the Delta Ring of most M16/AR15 platform firearms. The battery cap is a simple screw-type cover that's o-ring sealed and tethered to the housing.
The control buttons are positioned on the side of the rugged aluminum housing for ease of operation. This allows a magnifier, night vision device, or a back up iron sight to fit closely to the HWS body. The illuminated reticle is configured with a 65 MOA circle and four 1 MOA aiming dots. The series of 1 MOA aiming dots are vertically aligned and calibrated specifically for the ballistic drop of .223 caliber ammunition. The reticle provides 4 aiming dots for target distances of 0-300m, 400m, 500m, and 600m. The use of a magnifier is strongly recommended.
Designed for today's modern battlefield; the EXPS3-4 is submersible to a depth of 10', and it's repeatable to 2 MOA after remounting. The rear window is a 3/16" thick shatterproof laminate with anti-glare and scratch resistant coatings, and the front lens is 1/8" solid glass.
- 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
- Powered by 1 CR123A: 600 hr run-time
- Operating temperature range: -40 to 150°F
- Automatic shut-down: 8 hr, programmable to 4 hr
- Battery check indicator: flashing reticle at start-up
- Integral mount: compatible with Picatinny/Weaver systems
- Precision adjustments: 1/2 MOA clicks, 40 MOA W&E correction
- Illuminated reticle: 65 MOA circle, four 1 MOA dots. 30 Brightness settings with scrolling feature
- 10 Brightness settings when used with a night vision device
- Color/finish: non-reflective black hard-coat
- Short-base form-factor requires 2.75" of rail space
- Internal optical system is sealed and fully fogproof
- Return to Zero: repeatable to 2 MOA after re-mount
- Submersible to 10.0'/3.1 m, fogproof internal optics
- Durable housing features a rugged aluminum hood assembly
- Function buttons location: positioned on the side of the sight
- Compatible with Gen I-III+ night vision systems, a magnifier, or a back up iron sight
- Battery compartment is separated from the base and designed to fit/hover over the rifle's Delta Ring
- Single, quick release throw lever for easy attachment and removal
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
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