FAST series provides quicker sight acquisition than standard height mounts Taller optical centerline for faster reticle acquisition with various gear Optimized for use with electronic ear pro, communication headsets, night vision goggles, gas masks, and plate carriers | Available in 30mm and 34mm variants to fit popular commercial and military scopes Weighs 2.0 pounds for solid, reliable performance Designed for enhanced usability in tactical and demanding environments |