Magpul Mag1167-black Mbus 3 Rear Sight Flip Up Black For Ar-15, Ar-10, M4, M16
Magpul Mag1167-Black MBUS 3 Rear Sight Flip Up Black For AR-15, AR-10, M4, M16Significantly Reduced In Size From The MBUS, It Sits at Just 0.44" High When Folded And 1.15" at Its widest Point. Its Aes...