Open Red Dot Collimator

Specna Arms Core™ Open Red Dot Sight Collimator Black

The Specna Arms Core Open Red Dot Sight is a compact, lightweight optic designed for rapid target acquisition on airsoft fields. Powered by a CR2032 battery, it offers both red and green dot options for day and night operations, ensuring you stay on target in changing light conditions. With infinite vertical and horizontal adjustment, you can dial in precise zeroing for reliable accuracy at CQB distances and mid-range engagements alike.

• 22mm RIS rail mounting — built to attach quickly to standard airsoft rails for a secure, low-profile setup that stays true under rapid fire.
• Red/Green illumination — switch between red and green dots to suit your environment and squad preferences, optimizing visibility across varied terrains.
• Five brightness levels — a 5-stage intensity scale lets you adapt the reticle to ambient light, smoke, or dusk gameplay without sacrificing clarity.
• Four aiming points — select from multiple reticle options to match your preferred engagement style and shooting discipline.
• Infinite windage and elevation adjustment — continuous, unlimited adjustment ensures precise zeroing at typical airsoft ranges.
• Quality workmanship and lightweight design — engineered for durability during rugged field play while keeping the overall weight to a minimum.
• CR2032 powered — simple, widely available battery type supports dependable operation across long skirmish sessions.
• Brand heritage — part of the Specna Arms Core lineup, delivering reliable performance grounded in years of design and field feedback. Specna Arms collection

Whether you’re sprinting through CQB courses, conducting milsim simulations, or engaging at mid-range distances, this open red dot sight enhances fast, accurate sighting with minimal target acquisition time. It’s an ideal upgrade for rifles that rely on quick reflex aims and consistent performance in dynamic environments. For accessories and compatible upgrades, check our tactical gear and airsoft BB and ammo collections, or explore the broader Specna Arms collection for complementary optics and mounts.

Compatible with most standard 22mm rails, this sight integrates seamlessly with airsoft rifles, pistols, and carbines that rely on fast, reliable reticle visibility without bulky optics. Pair it with a reliable power source from our batteries and chargers selection to keep you field-ready.

Model	Specna Arms Core Open Red Dot Sight Collimator
Power	CR2032 battery (not included)
Illumination	Red and Green dot
Brightness Levels	5-stage intensity
Aiming Points	Four selectable reticles
Adjustment	Infinite vertical and horizontal (windage/elevation)
Mounting	22mm RIS rail
Weight	Lightweight (specifications not disclosed)