Magpul MBUS 3 - Set **Note: This is a set of both front and rear sight. Why we like these: Magpul Back-up Sights (MBUS) are what we always turn to when we just need to get the cheapest irons on our new build ASAP, because we're anxious to get to the range... MSRP: Was: SALE: $95.00 Choose Options
