Description
Precision and reliability are the hallmarks of the EOTech EXPS3 Holographic Weapon Sight, model EXPS3-0TAN. A favorite among tactical operators and discerning shooters, this optic provides rapid both-eyes-open sighting, ensuring enhanced situational awareness at close to medium ranges. It comes equipped with a 68 MOA ring and a precise 1 MOA dot, delivering critical aiming speed and accuracy.
Built to withstand the rigors of combat, the EOTech EXPS3 boasts a durable design with an integrated quick detach base, raised 7mm for lower 1/3 co-witness with iron sights. It operates on a single CR123 battery providing up to 600 hours of continuous use on a mid-level setting. The sight features 30 brightness levels to accommodate varying lighting conditions: 20 for daylight and 10 additional settings for compatibility with night vision devices.
The EXPS3-0TAN is engineered for peak performance under extreme conditions. Its resilience is showcased through its ability to be submersible up to 33 feet, complemented by internal fog resistance to maintain a clear view. Tool-free adjustability and anti-glare coating on optics further augments its ease of use in any environment.
Features:
- RAPID TARGET ACQUISITION: 68 MOA ring with a 1 MOA dot reticle for fast and accurate shot placement.
- NIGHT VISION COMPATIBLE: 10 brightness settings for Gen I-III night vision devices, enhancing operational versatility.
- DURABLE CONSTRUCTION: Water and fog-resistant, capable of submersion to 33 feet, and featuring a shatterproof laminated glass window.
- QUICK DETACH BASE: Integrated 7mm QD mount for lower 1/3 co-witness with iron sights and easy removal.
- EXTENDED BATTERY LIFE: Approximately 600-hour runtime on a single CR123 battery for reliability in the field.
- USER-FRIENDLY ADJUSTMENTS: Tool-free windage and elevation tweaks with 1/2 MOA per click correction.
- ANTI-REFLECTIVE OPTICS: Minimizes glare for a clearer sight picture with coated front and rear windows.
- AUTO SHUT-OFF FEATURE: The selectable auto shutdown after 8 or 4 hours to conserve battery life.
Specifications:
| Specs | Details |
|---|---|
| Magnification | 1x |
| Power Supply | (1) 123 lithium battery |
| Dimensions | 3.5"x2.4"x2.8" (LxWxH) |
| Weight | 11.2 oz |
| Reticle | 68 MOA Ring w/ 1 MOA Ballistic Dot |
| Battery Life | 600 continuous hours at setting 12 |
| Battery Type | CR123A |
| Product Type | Holographic Sight |
| Brightness Settings | 10 NVD, 20 Regular |
| Night Vision Compatibility | Yes |
| Condition | New |
| UPC | 672294600350 |
| MPN | EXPS3-0TAN |
Included In The Box:
- EOTech EXPS3-0TAN Holographic Weapon Sight
- Quick-Start Guide
- Warranty Card
- CR123 Battery
- Protective Case
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Optics Knowledge Center
Understanding Rifle Scope Basics
Magnification
Magnification refers to how much larger an object appears through the scope compared to the naked eye. Fixed power scopes have one magnification setting, while variable power scopes offer a range (e.g., 3-9x).
Objective Lens
The objective lens is the front lens that gathers light. Larger objective lenses (measured in mm) gather more light, providing brighter images in low-light conditions but add weight and require higher mounting.
Reticle
The reticle (crosshair) is the aiming point inside the scope. Modern scopes offer various reticle designs, from simple duplex crosshairs to complex ballistic reticles with holdover points for different distances.
Adjustments
Rifle scopes have turrets for windage (horizontal) and elevation (vertical) adjustments. These are measured in MOA (minutes of angle) or MRAD (milliradians) and allow precise aiming adjustments.
Proper Scope Mounting Guide
Select the Right Rings & Base
Choose rings that match your scope's tube diameter (typically 1", 30mm, or 34mm). Select a base compatible with your rifle's receiver. For heavy-recoiling rifles, opt for stronger mounts.
Install the Base
Clean the receiver and base thoroughly. Apply a small amount of blue Loctite to the screws. Attach the base to the receiver and torque the screws to manufacturer specifications.
Attach the Rings
Attach the bottom halves of the rings to the base. Place the scope in the rings and loosely attach the top halves. Don't fully tighten yet.
Set Eye Relief & Level
Position the scope for proper eye relief (3-4 inches) in your normal shooting position. Ensure the reticle is level using a scope leveling tool. Once positioned correctly, tighten the rings evenly in a cross-pattern.
Scope Zeroing Tips
Start Close
Begin zeroing at a shorter distance (25-50 yards) to ensure you're on paper before moving to your desired zero distance (typically 100 yards).
Use a Stable Rest
Always zero your rifle from a stable shooting position using a bench rest, sandbags, or a shooting rest to eliminate as much human error as possible.
Fire Groups
Fire 3-shot groups before making adjustments. This provides a more accurate representation of where your rifle is shooting than single shots.
Make Deliberate Adjustments
Know your scope's adjustment values (typically 1/4 MOA per click). If your group is 2 inches low at 100 yards, you'll need to adjust up 8 clicks (for a 1/4 MOA scope).
Confirm Your Zero
After making adjustments, fire another group to confirm your zero. Repeat the process until your point of impact matches your point of aim.
Document Your Settings
Once zeroed, record your settings including distance, ammunition used, and environmental conditions for future reference.
Optics Maintenance & Care
Cleaning Lenses
- Start by blowing or brushing away loose particles
- Use a lens pen or microfiber cloth for fingerprints
- For stubborn dirt, use lens cleaning solution (never household cleaners)
- Clean with gentle circular motions from center outward
Protecting Your Optics
- Always use lens caps when not in use
- Store in a dry place with silica gel packets
- Avoid extreme temperature changes
- Use a quality scope cover in harsh conditions
Regular Maintenance
- Check and tighten mount screws periodically
- Inspect O-rings and seals for damage
- Verify zero after rough handling
- Clean the exterior with a damp cloth
What to Avoid
- Never use fingers to touch lenses
- Avoid paper products (tissues, paper towels) on lenses
- Don't use acetone, alcohol, or household cleaners
- Never disassemble your scope (voids warranty)
