The TruGlo Prism Tactical 25mm Red Dot Sight (brand part no. TG-TG8425BN) is a true 1x prismatic optic built for shooters who want fast, both-eyes-open target acquisition on an AR-platform rifle, shotgun, or other tactical long gun. TruGlo etches the 6-MOA dot-and-circle reticle directly into the glass, so the sight picture stays usable even if the battery dies or the illumination is switched off, a real advantage over standard red dots that go dark without power. Digital push-button controls step through multiple brightness settings for anything from a dim indoor range to bright daylight, and an auto-off feature shuts the optic down when it is not moved, stretching battery life between changes. An adjustable diopter eyepiece lets each shooter dial in a crisp reticle for their own eyesight. It is a solid choice for home defense carbines, 3-gun shotguns, and any close-to-medium range rifle that needs a fast, durable sighting solution.

Key Specifications

• Delivers true 1x magnification through a 25mm prismatic lens for unmagnified, both-eyes-open shooting.
• Uses a 6-MOA dot with an outer ring reticle, etched into the glass so it remains visible with or without illumination.
• Brightness is controlled through digital push-buttons, giving shooters precise control over reticle intensity in changing light.
• Includes an auto-off feature that powers the optic down when idle to conserve battery life.
• Features an adjustable diopter eyepiece so each shooter can fine-tune focus to their own vision.
• Provides a 37.5-foot field of view at 100 yards, wide enough for fast target transitions at close range.
• Mounts to any Picatinny rail, making it compatible with AR-platform rifles, shotguns, and other tactical firearms.
• Weighs in at a lightweight 0.8 pounds, keeping added weight on the gun to a minimum.

Frequently Asked Questions

Will this sight still work if the illumination battery dies? Yes, the reticle is etched into the glass, so it stays visible as a black reticle even without power.

What mount does it use? A standard Picatinny rail interface, compatible with most AR-platform rifles, shotguns, and other tactical long guns.

How do I adjust the reticle brightness? Digital push-buttons on the housing step through multiple brightness levels, and an auto-off feature powers the sight down when it is not in use.

Buy the TruGlo Prism Tactical 25mm Red Dot Sight

Whether it rides on a home-defense carbine or a 3-gun shotgun, this prism sight is built to get you on target fast in any light. Shop the full TruGlo lineup of red dot sights and have this one shipped straight to your door.