Meprolight M21 Triangle Reticle Reflex Sight, 12 MOA

The Meprolight M21 is a 1x day/night self-illuminated reflex sight with a triangle reticle and 30 mm lens. Its fiber-optic and tritium illumination systems operate without batteries or switches, while the large display window supports aiming with both eyes open.

The sight uses a Picatinny footprint and includes a quick-detach mount and dust cover. It is designed for use with magnifying optics and is listed as weather resistant.

Key Specifications

• The sight provides 1x magnification for non-magnified aiming.
• The optic uses a triangle reticle listed at 12 MOA.
• The sight features a 30 mm objective lens.
• Illumination is provided by fiber optics and tritium without batteries or switches.
• The optic uses a Picatinny footprint.
• The included mount is a quick-detach mount.
• The sight weighs 13.12 ounces.
• The listed dimensions are 4.00 × 5.60 × 5.75 inches.
• The finish is listed as black.
• The sight is listed as weather resistant.

With its always-on illumination system, broad viewing window, triangle reticle, and Picatinny quick-detach mounting system, the M21 provides a straightforward non-magnified optic platform for users who value simple operation and dependable field-ready features.