Screws into target side of PXL Hunter Peep to reduce glare.
PXL Hunter Peep and component weights:

PXL Hunter Peep – 30.5 grains
PXL Hunter Peep Capture Aperture – 7.5 grains
PXL Hunter Peep Clarifiers/Verifiers – 3.5 grains
PXL Hunter Peep Shade Cap – 3.0 grains