Bushnell RXM-300 1×28 4 MOA Open Reflex Sight

Description

The Bushnell RXM-300 is a large-format open reflex sight designed to provide a wide field of view, fast target acquisition, and reliable all-weather performance. It features a 4 MOA red dot and a 28mm objective that make it suitable for pistols and other firearms configured for reflex optics. The optic includes EXO Barrier hydrophobic coating to resist water and fog, plus a shake-awake function and long battery life for extended use in the field or on the range. Its housing is constructed from durable aluminum and the unit ships with both low and high mounts for multiple mounting options.

Key Specifications

• The optic uses a 4 MOA red dot for quick sight picture acquisition.
• The front objective measures 28mm to provide a large viewing window.
• The optical magnification is 1x for true reflex, both-eyes-open use.
• The sight weighs 1.95 oz for a lightweight addition to a pistol or rifle.
• Power is supplied by a CR2032 battery with extended runtime.
• Brightness control offers 12 settings, with the lowest two being NV compatible.
• Durable housing with IPX7 sealing and EXO Barrier coating for weather resistance.
• Windage and elevation adjust in 1 MOA increments per click.
• The sight is compatible with RMR/SRO footprint mounts and includes both low and high mounts.
• The design includes a shake-awake function to preserve battery life between uses.

Built for competition-ready speed and versatile field use, the RXM-300 balances a large viewing window, durable construction, and long runtime to support fast follow-up shots and dependable performance in changing conditions. Its combination of EXO Barrier protection, multiple mounts, and straightforward adjustments makes it a practical choice for shooters seeking a robust open reflex sight for pistols and other optics-ready platforms.

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