Primary Arms Anti-Reflection Device for Our 5X Prism Scope Only - PA5XKF ANTI-REFLECTION DEVICE: Use to eliminate excess scope glare and hide any glint as to not give away your position. COMPATIBLITY: This model fits the Primary Arms 5X Prism Scope (PAC5X) ONLY. DURABILITY: Constructed from aluminum in black anodized finish. 1-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.