AR15news - logoMagpul LogoRecently I have had a chance to check out the Magpul Back-Up Sights also know as MBUS.  There are a lot of companies out there that make flip-up sights but the majority of them are made out of metal and cost anywhere from $150-300.  The MBUS are injection molded polymer back-up sights that are lightweight and very cost effective at only $98 for a front and rear pair.

Their low profile size allows you to keep them mounted to your rifle even when you have a scope mounted as well.  Take the scope off and you are ready for some CQB.

One of the many cool feature of the MBUS is that it locks in the down position but is spring loaded to flip up by pressing on either the ambidextrous flared tabs located on the sides or pressing down on the Magpul logo toward the front of the sight.  Imagine you are sitting back, relaxing and all of the sudden your thrown into a situation where you need your rifle.  As soon as you put your hands on the rifle you can press both release levers at the same time and then you are ready to go.  Your trigger hand activates the rear sight and the forward hand activates the front sight.

Obviously, Magpul makes some awesome stuff but I was really surprised to feel how sturdy/robust the MBUS’s are.  These aren’t some toy sight designed to go on a BB gun.  They are legitimate, tactical ready, Back-Up Sights.

They are very easy to sight in.  The rear sight has a click-wheel windage adjustment and two different aperture openings.  The larger aperture is for engaging closer targets and the smaller aperture is for farther away targets.  The front sight is a standard A2 front sight which uses a normal 4-prong A2 front sight adjustment tool.

As much as I like my more expensive metal back-up sights, the Magpul MBUS sights will be what I choose to mount on my rifle.  Anyone looking for a nice set of Back-Up Sights can’t go wrong with the Magpul MBUS.  They are just as nice, if not nicer, than many other back-up sights that will cost you quite a bit more.  You can purchase either the Gen I or Gen II model.  The Gen II model is a bit smaller to accommodate more optics.   Check them out at Magpul.com .

MAGPUL MBUS MAGPUL BACKUP BACK UP SIGHTS 1 front sight

Magpul MBUS Front A2 Sight

MAGPUL MBUS MAGPUL BACKUP BACK UP SIGHTS 2 rear sight

Magpul MBUS Rear Sight

MAGPUL MBUS MAGPUL BACKUP BACK UP SIGHTS 3 front and rear

Integrated mount with steel post to lock in place

MAGPUL MBUS MAGPUL BACKUP BACK UP SIGHTS 4  front sight

After you remove the screw, slide the sight onto the rail. (by the way, I just installed my new Midwest Industries T7 freefloat rail system. This pic shows my old UTG rail. I'll post about it soon.)

MAGPUL MBUS MAGPUL BACKUP BACK UP SIGHTS 5 front sight

Insert the screw to lock it in place.

MAGPUL MBUS MAGPUL BACKUP BACK UP SIGHTS 7 rear sight

The Rear Sight has the same integrated mount and screw.

MAGPUL MBUS MAGPUL BACKUP BACK UP SIGHTS 9 front sight

MBUS Front Sight folded down. My finger is on the ambidextrous release switch.

MAGPUL MBUS MAGPUL BACKUP BACK UP SIGHTS 10 front sight

Just press the lever and the sight springs into action.

MAGPUL MBUS MAGPUL BACKUP BACK UP SIGHTS 11 rear sight

MBUS Rear Sight folded.

MAGPUL MBUS MAGPUL BACKUP BACK UP SIGHTS 12 rear sight

Ready for action.

MAGPUL MBUS MAGPUL BACKUP BACK UP SIGHTS 13 rear sight gen i ii

Magpul MBUS Rear Sight

MAGPUL MBUS MAGPUL BACKUP BACK UP SIGHTS 14 front sight

Magpul MBUS Front Sight