MAGPUL SIGHT MBUS REAR

BACK-UP SIGHT POLYMER BLACK! FEATURES-Impact-resistant polymer construction provides light weight & resists operational abuse-Spring-loaded flip up sight easily activated from either side or by pressing the top-Detent & spring pressure keeps sight erect but allows for unobstructed folding under impact, etc.-Clamps to MIL-STD-1913 Picatinny/STANAG 4694 receiver rail & provides the same height-over-bore as standard A2 irons-Protective wings shield the dual, same plane flip apertures-Sight can still be folded with either large or small aperture in position-Detent knob easily & positively adjusts windageElevation Adjustment:0.7 MOA (0.754"/100m) per click with a 14.5" sight radius0.5 MOA (0.547"/100m) per click with a 20" sight radius