Golden Eagle Airsoft SR25 / M4 / M16 Flip-Up 600M Rear Iron Sight

Optics break, lose battery, or get knocked out of zero in a fall. Flip-up iron sights are the backup that lets you keep shooting without pulling the optic. This is Golden Eagle's rear sight in their SR25-style housing, and it mounts on any standard Picatinny or Weaver rail.

Full metal, adjustable. The sight body is all metal, which matters more than it sounds — polymer flip-ups flex under impact and lose their setting. Windage and elevation are handled by a two-screw dial system on the post, so you can dial in point of impact shifts without pulling the sight off the rail. The 600M marking on the post is a holdover reference point for longer-range engagements, not a promise of accuracy at that distance.

How it works in a loadout. When you're running a red dot or scope, the sight stays flipped down and out of the way. Flip it up when you need backup irons, or use it as your rear sight on a dedicated iron-sight build. Most SR25/M4/M16 setups pair this with a matching front sight unit, and Golden Eagle makes one to go with it. If your front sight is from a different brand, check that the aperture and post profiles actually match before you buy the pair.

Includes the sight only. Front sight, mounting hardware, and tools are not included.