Impact resistant polymer construction. MBUS (Magpul Back-Up Sight) is a low-cost, color injection molded, folding back-up sight. Adjustable for windage and fits most 1913 picatinny-railed hand guards. Impact resistant polymer construction provides light weight and resists abuse.

Made in the USA. Part Number: MAG248

Please note: these do not come in their original packaging but are original and in Magpul factory new condition.