High performance meets affordability in the new TANGO-SPR (Special Purpose Rifle) lineup. Clear rugged and bright the TANGO-SPR series is packed with premium features that keep you on-target near or far. Each configuration comes with a factory-installed SPR Scope Mount for seamless integration with your favorite rifle while the included flip-back caps keep your low dispersion lenses protected. – High performance 4x optical system with low dispersion glass – 30MM Maintube – HELLFIRE Illuminated FL-4 Reticle – Factory-Installed SPR Scope Mount – Removeable Throw Lever for Quick Magnification Changes – Exposed Zero-Stop Elevation and Low Profile Capped Windage Dials – Lay-Flat Flip-Back Lens Covers – Dependable Waterproof Shockproof and Fog Proof Performance