The Leapers UTG OP3 Mini Micro Red Dot Sight (brand part no. OTRDM16R) is a micro reflex sight (MRDS) built for carry pistol slides where every fraction of an inch matters. At just 1.6 inches long, it’s one of the most compact options in the UTG lineup, delivering a tight 3 MOA red dot for fast, precise target acquisition without adding meaningful bulk or weight to the slide. It’s a natural fit for concealed-carry pistols cut for a micro red dot footprint.

Key Specifications

• Delivers a 3 MOA red dot, tighter than the standard 4 MOA UTG reticle for more precise aiming.
• Classified as an MRDS (micro reflex dot sight), sized for slide-mounted carry applications.
• Measures just 1.6 inches long, among the most compact footprints in the UTG lineup.
• Weighs approximately 0.46 lb, minimizing added weight on the slide.

Frequently Asked Questions

What size is the reticle? A 3 MOA red dot, tighter than UTG’s standard 4 MOA models.

Is this small enough for a carry pistol slide? Yes, at 1.6 inches it’s built as a micro reflex dot sight for slide-mounted use.

What color is the dot? Red.

Buy the Leapers UTG OP3 Mini Micro Red Dot Sight

Get an ultra-compact micro red dot built for carry pistol slides. Order from our red dot sights lineup at Leapers and Schaefer Defense will ship it fast, direct to your door from our Lubbock, Texas gun shop.