The Leapers UTG OP3 Micro is a compact green dot reflex sight built tough enough for serious shooters who don't want to compromise on durability or ergonomics. This single-dot optic strikes the balance between minimalist design and real-world performance—whether you're setting up a pistol, running a defensive carbine, or keeping a backup sight on a precision rifle. The 4 MOA dot is fine enough for accurate shot placement without cluttering your field of view, and the green reticle offers excellent contrast in varied lighting conditions.

Built from 6061-T6 aluminum with a matte black anodize finish, the OP3 Micro is machined to take hard use. It follows the Doctor red dot optic footprint, so if you ever want to swap it out or replace it, you've got a wide ecosystem of compatible accessories and mounts available. The low-profile Picatinny base keeps the sight sitting low on your platform, reducing parallax issues and giving you a proper sight picture without unnecessary height-over-bore offset.

This is the kind of optic that doesn't ask you to choose between affordability and dependability. Leapers has earned respect in the reflex sight space by delivering solid glass and tough construction at prices that won't break the bank. If you're outfitting a duty gun, a dedicated training rifle, or a compact tactical setup and you want a no-nonsense green dot that works, the OP3 Micro deserves a serious look.

Key Features

• 4 MOA single green dot reticle for fast target acquisition and accurate shot placement
• Machined 6061-T6 aluminum housing with matte black anodize for durability and corrosion resistance
• Doctor red dot footprint for broad compatibility with existing mounts and accessories
• Low-profile Picatinny base keeps the sight compact and co-witness friendly
• Compact micro design for pistol-ready setups and auxiliary sight configurations

Specifications

Brand	Leapers
Model	UTG OP3 Micro
Reticle Type	Single green dot
Reticle Size	4 MOA
Material	6061-T6 aluminum
Finish	Matte black anodize
Mount Type	Picatinny base (Doctor footprint compatible)
Profile	Low-profile

Frequently Asked Questions

What optic footprint does the UTG OP3 Micro use?

The OP3 Micro uses the Doctor red dot optic footprint, which means it's compatible with Doctor-pattern mounts and accessories. This footprint is well-supported in the aftermarket, giving you flexibility if you want to switch mounting solutions down the road.

Can I use this sight as a backup or auxiliary optic on an AR or rifle?

Yes. The low-profile Picatinny base and compact micro design make the OP3 Micro well-suited for co-witnessing configurations or as a secondary optic on rifles and carbines, especially if you're running a primary magnified scope.

What color is the reticle, and how big is it?

The reticle is a single green dot at 4 MOA. The green color provides excellent contrast in a variety of lighting conditions and reduces eye strain during extended shooting sessions compared to some red dot options.

Is the sight machined from aluminum?

Yes. The OP3 Micro is precision machined from 6061-T6 aluminum and finished with a matte black anodize, which provides excellent durability and corrosion resistance for field use.