- RSR Group, Inc
- Made in U.S.A.
- Made in USA
- MBUS (Magpul Back-Up Sight) GEN 2 is a low-cost, color injection molded, folding back-up sight
- Impact resistant polymer construction provides light weight and resists abuse
- Adjustable for windage and fits most 1913 picatinny-railed hand guards
- Adjustable for elevation and fits most 1913 Picatinny-railed hand guards
MBUS Back Up Sight, Generation II, Fits Picatinny, Black, Rear, Flip Up.