Vortex Optics DBK-10019 Diamondback HP 4-16x42 Riflescope Dead-Hold BDC Reticle (MOA) with Vortex Cap Extra-low dispersion (XD) glass increases resolution and color fidelity, resulting in crisp, sharp images. XR Anti Reflective Coatings. VIP Warranty. Argon Gas Purged. Free Vortex Brand Hat color may vary