Magpul MBUS 3 Flip Up Rear Sight - Flat Dark Earth - The next evolution in MBUS (Magpul Back-Up Sight) line, the MBUS 3 incorporates the best features, strengths and value of original MBUS and MBUS Pro Sights in a feature-packed back-up sight...
Magpul MBUS 3 Flip Up Rear Sight - Flat Dark Earth - The next evolution in MBUS (Magpul Back-Up Sight) line, the MBUS 3 incorporates the best features, strengths and value of original MBUS and MBUS Pro Sights in a feature-packed back-up sight...