Vortex Defender XLThis red dot uses the Leupold Delta Point Pro footprint standard. Vortex Defender XL Micro Red Dot Built around an ultra wide sight window for faster target transitions, the Defender XL is a rugged, competition ready micro red dot that also works great on duty or range pistolsand on carbines shotguns when used with the included Picatinny mount. Key Specifications Mounting Interface: DeltaPoint Pro footprint + included Picatinny rail mount (Glock MOS