FLIP UP PROTECTIVE LENS FOR RED DOT AND ASG OPTICS (18433)

Optical protection for viewfinder with ASG mounting lens
Mount Lense's protection protects your optics from being hit by BBs.
The clear clear acrylic lens mounts in front of the optics as a protective shield against flying BBs and other types of debris. The mount is quickly attached to any picatinny rail without the use of any tools.
For storage, the lens can be rotated down to fit a smaller profile for transport and storage

Features:
Large lens surface to protect a wide variety of optics
Easy to assemble
Two clear acrylic lenses included
Fits all 20mm / weaver / picatinny / accessory rails
Flip-up / Flip-down function for transport and storage