Spring-loaded flip-up red dot caps for quick access, compatible with Sig Sauer Romeo5 (Not fit Romeo5 Gen II) & red dots with same 28mm lens lips.
Made of premium PP PMMA material, matte black finish, easy tool-free snap-on installation, wobble-free solid fit, durable secure red dot lens protection.
Quick-action spring mechanism, lightweight, poke it with your finger to flips open covers instantly when use red dots and cover it when not in use.
Align cover with red dot lens lips, hard press to sleeve in, then rotate to adjust alignment, easy installation (Please see video guide for installation).
Transparent visible clear view window, optics cover can protect your red dot sights better in big windy or sandy bad weather outdoor when you use.