Meprolight M21T Reflex Sight | 30mm Triangle | 12 MOA

The Meprolight M21T is a day/night, self-illuminated reflex sight designed for duty and field use. It provides a large 30 mm viewing window and a triangle reticle with a 12 MOA aiming element for rapid target acquisition. Illumination is achieved without batteries, using a fiber-optic collector for daylight and a tritium source for low-light operation. The sight mounts via a quick-release Picatinny footprint and is intended for applications such as law enforcement/duty use and tactical/range training.

Product Specifications

• The manufacturer is Meprolight.
• The model is M-21T.
• The optic type is a reflex sight.
• The objective measures 30 mm.
• The magnification is 1x.
• The reticle is a triangle with a 12 MOA aiming element.
• Illumination is self-illuminated (fiber optic by day, tritium by night).
• The finish is matte black/grey.
• The mount footprint is Picatinny and includes a quick-release mount.
• The weight is 13.12 oz.
• Windage and elevation are adjustable.
• The field of view is listed as unlimited.
• The eye relief is listed as unlimited.
• The sight is rated as weather resistant.
• The UPC is 879015004361.

Durable and straightforward, the M21T is built around an always-on illumination system and a large viewing window that keeps both eyes open for situational awareness. Its quick-detach mounting and zero-retention characteristics make it practical for users who value durability and simplicity in duty or range optics.