Magpul MBUS Backip Sights

Steve Johnson
by Steve Johnson

Magpul have developed a low cost backup iron sight (BUIS) called the Magpul MBUS (Backup-Up Sights). They are designed for the AR-15 platform but will fit any firearm with a picatinny rail.

The front sight will sell for $39.95 and rear sight for $59.95.

Click to expand.

Hat Tip: MrMojoRising for the scanned advertisement.

Steve Johnson
Steve Johnson

I founded TFB in 2007 and over 10 years worked tirelessly, with the help of my team, to build it up into the largest gun blog online. I retired as Editor in Chief in 2017. During my decade at TFB I was fortunate to work with the most amazing talented writers and genuinely good people!

More by Steve Johnson

Join the conversation
2 of 7 comments
  • Mr. Griz Mr. Griz on Mar 23, 2009

    Definitely going to be getting a set for the Sig556, as the back-up sights that come on the rifle are terrible.

  • Dan Dan on Apr 11, 2009

    I really like these sights, any idea when they will be available for retail sale?