The Leapers UTG OP3 Micro SLS is a precision-machined single-dot red dot sight (model OPRMR20CTS) built from 6061-T6 aluminum with a matte black anodized finish for AR-platform rifles and pistols.

Key Specifications

• Reticle: 4 MOA red dot
• Magnification: 1x
• Overall length: 1.78 in.
• Optic coating: multi-coated lens
• Housing: CNC-machined 6061-T6 aluminum, matte black anodized
• Brightness: 8 intensity settings, manual or automatic (light-sensor) adjustment
• Battery life: 15,000+ hours at mid brightness
• Adjustment: 1 MOA per click
• Battery access: side-loading compartment (no need to remove or re-zero the sight)

Frequently Asked Questions

Do I need to remove the sight to change the battery? No, the OP3 Micro SLS uses a side-loading battery compartment so you keep your zero when swapping batteries.

Is the brightness automatic or manual? Both – you can set brightness manually or let the built-in light sensor adjust it automatically.

Is it rated for wet conditions? Yes, Leapers rates this sight IPX7 waterproof.

Buy the Leapers UTG OP3 Micro SLS For Sale

Need a durable, self-adjusting micro red dot? Shop more Leapers optics, or browse our full red dot sights selection at Schaefer Defense.