The Sig Sauer Tactical Tango-MSR LPVO rifle scope features industry leading light transmission and optical clarity for any situation. Electronic Component Mfg Limited 5 Year Warranty. High Performance 6x optical system with low dispersion glass Integrated thread in throw leaver for quick magnification changes Illuminated MSR BDC-6 reticle with 11x brightness levels Lay flat flip-back lens covers included Dependable waterproof, shockproof, and fog-proof performance Includes ALPHA-MSR 1 piece aluminum cantilever mount