Meprolight M21 Reflex Sight 4.3 MOA Red Dot Picatinny Mount

Overview

Meprolight M21 Features The Meprolight M21 is engineered around a dual-illumination system that uses fiber-optic technology during daylight hours and Meprolight tritium illumination at night delivering a consistent 4.3 MOA red dot with zero dependency on batteries or manual activation. The always-on design eliminates the need to power up the sight before use ensuring the optic is ready the moment the rifle is raised regardless of conditions or time of day. Compatible with night vision goggles and scopes including Gen III tube devices and magnifying scopes such as the Mepro MX3F/T the M21 supports seamless transition between naked-eye and night vision shooting without removing or adjusting the optic. For duty professionals military users and law enforcement officers who cannot afford optic failure due to a dead battery or forgotten power switch the Meprolight M21 delivers unconditional readiness. The 30mm objective lens provides a large parallax-free field of view with unlimited eye relief supporting rapid target acquisition and intuitive both-eyes-open shooting across a wide range of engagement distances. Aluminum construction meeting or exceeding MIL-STD-810 standards ensures the M21 withstands extreme temperature shock vibration and weather conditions that would compromise lesser optics. Easy positioning allows a magnifier to be mounted close to the sight without reducing field of view or interfering with switch operation adding long-range versatility to the platform without sacrificing close-quarters performance. At 13.12 oz and mounting directly to any Picatinny rail the M21 installs cleanly on a wide range of rifle platforms with no additional hardware required. For hunters competitive shooters and serious rifle owners who want an optic originally trusted by one of the world s most combat-tested military forces the Meprolight M21 is for sale at GrabAGun and brings that proven performance to the civilian market. Meprolight M21 Specifications Manufacturer: Meprolight USA Model: M21 Type: Red Dot Reflex Sight Magnification: 1x Objective: 30mm Reticle: 4.3 MOA Red Dot Dot Size: 4.3 MOA Field of View: Unlimited Eye Relief: Unlimited Parallax: Parallax Free Brightness Settings: 1 Day / 1 Night Switch Type: Always On Power Source: Fiber Optic / Tritium Battery Life: Unlimited Mount Type: Picatinny Rail Firearm Type: Rifle Material: Aluminum Color: Black Proofs: Weather Resistant MIL-STD-810 Length: 4.48 Width: 2.16 Height: 2.75 Weight: 13.12 oz Available At: GrabAGun