Primary Arms 4-14X Sun Shade (Only Fits 4-14X FFP Model Scope) SUNSHADE: Used to prevent glare when shooting in bright sunlight at certain angles and keeping water from the objective lens in the rain. DESIGN: Constructed of lightweight anodized aluminum with a matte black finish. COMPATIBILITY: Fits Primary Arms 4-14x FFP optics only. EASY TO INSTALL: Screws into objective bell - no tools needed. 3-YEAR WARRANTY: If a defect due to materials, workmanship, or normal wear and tear has caused your product to malfunction, Primary Arms will either repair or replace.