The Bushnell RXM-300 Reflex Sight (Bushnell part no. RXM300) is an open reflex red dot with a 4 MOA dot and a large window for fast target acquisition. It mounts directly to the RMR footprint, and the included low weaver mount and high-rise spacer let it move to rifles and shotguns. Twelve brightness settings and an auto-ambient mode, plus shake-awake, support long battery life. A 7075-T6 aluminum housing and IPX7 sealing handle hard use. Bushnell backs it with the Ironclad warranty.

Key Specifications

• The reticle is a 4 MOA red dot, easy to pick up at speed.
• The mount pattern is the RMR footprint, for direct mounting to compatible pistol slides and plates.
• The sight includes a low weaver mount and high-rise spacer for AR and rifle use.
• Magnification is 1x with a 28mm objective that is 24mm wide.
• Eye relief is unlimited, with a parallax-free design optimized at 50 yards.
• The sight has 12 brightness settings, with the lowest two compatible with night vision.
• Each click is 1 MOA, with 100 MOA of elevation and windage adjustment.
• Battery life is up to 35,000 hours, using a top-loading CR2032.
• The housing is 7075-T6 aluminum with IPX7 sealing for submersion at 1 meter for 30 minutes.
• It weighs 1.95 ounces, light enough for a carry pistol.

Frequently Asked Questions

Will the RXM-300 mount to an RMR cut? Yes. Bushnell lists direct mounting to the RMR footprint, and the sight is compatible with RMR and SRO pattern mounts and optics-ready pistols.

What comes with the sight? Bushnell includes a low weaver mount, a high-rise spacer, a form-fit protective cover, basic tools and a cleaning cloth.

How long does the battery last? Up to 35,000 hours on a mid setting with a top-loading CR2032 battery.

Buy the Bushnell RXM-300 Reflex Sight, 4 MOA Red Dot, RMR Footprint

The RXM-300 gives you a large window, a 4 MOA dot and mounting options for a pistol or a rifle. Shop more red dot sights at our Lubbock, Texas gun shop, and order for fast shipping.