The original red dot cap/cover is not compatible with this battery tray. It can be used with cover ZRCOV1, ZRCOV2, ZRCOV3, ZRCOV4
It has a handle for quick extraction
Also compatible with these red dot models: C-More RTS2-STS, Benthley TX6, Nikko Stirling Pro T4- XT4 Mini, Delta Optical minidot HD24-HD26, Sig Sauer Romeo 3 1x25, Kahles Helia RD, Kite Optics K1