EOTech 551 Holographic Sight | Red & Green Dot

Our holographic sights, rifle red dot sights and rifle scopes are designed for rifles and have been tested with 5.56, 7.62, and .223 calibers. If you require support for larger calibers, please contact customer service. Our pistol red dot sights products are only for handguns.

Our products are sold to Canada, Mexico, Israel, Ukraine, Canada, etc., and have served many customers. Currently, there have been no cases of our products being detained or returned by customs. You can trust our courier services.

Estimated delivery time is generally 5–12 calendar days, depending on the destination, carrier and customs processing. Delivery dates are estimates and may vary. When tracking is available, we will send the tracking link by email.

For details, see our shipping policy.

You may request a return within 30 calendar days after receiving your order. Email [email protected] with your order number and wait for return instructions before sending the item back. Eligibility, return shipping and refund processing depend on the reason for return and the product’s condition. See our refund policy.

Different regions have varying definitions for military-grade products. On Prism-Optic.com, we categorize products into 3 grades—civilian, quasi-military, and military, based on their waterproof, dustproof, and shockproof level:

1. Civilian : IP56 or below waterproof & dustproof, 1500G-2000G shockproof. Suitable for ordinary rifles & pistols.
2. Quasi-military : IP56 waterproof & dustproof, 2000G-2400G shockproof. Suitable for large-caliber shotguns & sniper rifles.
3. Military : IP78 waterproof & dustproof, 2400G and above shockproof. Maintains long lifespan under high-intensity use, suitable for extreme environments.