Magpul MBUS Pro LR Adjustable Sight Rear

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Ratings Snapshot

5.0

out of 5

5 (12)

4 (0)

3 (0)

2 (0)

1 (0)

Would recommend this product.

100%

SKU: MAG-527-BLK
UPC: 873750001340
Manufacturer: Magpul
MFG#: MAG527-BLK

I have had positive experiences with Magpul's popular MBUS sights in the past, but for my SPR build, I desired something more robust and functional for using my irons at long distances, even without an optic. I was unsure if the significant price increase over MBUS sights would be worth it, but upon receiving them, all doubts vanished. These sights are built like fortresses and packaged better than the lower-end MBUS sights. I am very glad I decided to invest in them. They perform exceptionally well and are just as good as a standard, fully-adjustable carry handle-style rear sight. The elevation adjustments are sturdy and precise. They are even easier to adjust than the typical horizontal elevation dials found on rear AR sights. These sights are not just backups, they are top-notch sights in their own right. If you aim to effectively utilize your irons, I highly recommend these sights. Do not be deterred by the high cost, they are a truly premium product.

The magpul pro lr meets all the criteria for an ideal backup iron sight (refer to the listed pros). Furthermore, what sets this product apart from many other iron sights is its low profile when folded, fitting snugly above the charging handle on most AR 15 upper receivers. The only drawback I see in this product is that the adjustable distance feature is not actually necessary, at least for me. As a member of the army, I am familiar with the USGI iron sights and initially wanted the adjustability feature when I purchased this. However, in reality, the regular non-adjustable version of these sights may suffice and result in cost savings. This is especially true if the sights are used as backup rather than primary. They have a range of 600 meters for adjustments, making them suitable for iron sight shooters who can shoot at that distance.

I am extremely fond of these magpul mbus pro lr sights. They are of exceptional quality and have a compact design. I utilize them as my main rear sight along with a stationary front sight post. When folded, they fit neatly into the rail without protruding like plastic alternatives. You have the option to choose either fast targeting or precise aiming, and the sight can be folded down with either option selected.

So I the mbus pro lr 5 stars based on several factors, but what you need to get over right away is the price. It is expensive and it took me several years to finally give up this much coin. However, it works and I gave it 5 stars because there isn't much else like it on the market. It is high quality, very compact, lightweight, and after zero at 200yds with my lightweight ar project w/16" pencil bbl, started ringing the gong at 400 yards no problem.

This magpul mbus pro lr adjustable rear sight is now being used as a primary sight. I regularly swap between 5.56 and .22LR for bullseye targets so the elevation and windage adjustments are used a lot. I find that making the adjustments is easy to do using both the elevation wheel and the windage nob but not so easy that I'd be worried about unintended changes. I've had no issues with non-repeatable settings. Very happy with it.

I generally always use a scope but wanted a GOOD backup sight. The mbus pro lr seems to fill the bill. It is adjustable for both elevation and windage. Seems to be sturdy and accurate. Expensive but is a one time purchase so probably worth the investment.

I like everything about the Magpul mbus pro LR. Why aren't they a matte finish? Idk. They should be. They work fine with my AimPoint Pro. I'd buy these ar-15 sights again. O hate the plastic ones and the flip-up that require buttons to make them go up and down. Good stuff. Out

Magnificent AR-15 sights and very well built. Had to return mine though as it did not co-witness my red dot sight very well. Not the Magpul's sights fault, however. My red dot sits a little higher than the standard red dot setups.

I am a long time fan of Magpul's BUIS, even the polymer series. I have used them on rifles that I knew could see some series combat. They are light-weight, durable, and reasonably priced. When I first saw that Magpul had put out the "Pro" version of their BUIS, I didn't see a need to buy them. They were almost double the price, and the old ones worked just fine. With that said, after months of training and honing my rifle into the fighting machine that I thought it should be, it brought me to the weakest link: the polymer iron sights. They were rudimentary, simple, and is made out of polymer, if they took a hard hit (from a drop or other survivable impact), I know that they would probably get broken off of the gun. I finally decided to give the Magpul BUIS Pros a shot. I ordered this rear sight (as well as the Pro front sight), and the reason that I chose this rear AR-15 sight is because I liked the fact that Magpul had included a ranging knob on the back that would allow the shooter to adjust the rear sight's elevation in combat from 200 to 600 yards in 100-yard increments. The sights are incredibly robust, and they feel so reliable, they may still be standing even after the aluminum upper and lower have been thoroughly trashed from the abuse of training and combat. Yeah, I hope that my optic doesn't fail me and leave me stuck having to try and take shots at 600 yards in a combat scenario with iron sights. Some people would even say that it is pointless to have iron sights that calibrate for 600 yards. My response is this: if you know that your fighting system can make hits at 600 yards, then it would be wise to learn how to take advantage of its ability. I would instead equip the weapon and prepare myself to use it to its full capabilities than to find myself in a combat scenario where my expensive optic has failed me, and now my weapon is useless past its primary iron sight zero.

In the world of design, when you strip away everything non-essential, hone the tool until only the inherent need is gratified, and all that remains is a pure function, a result bordering upon the alchemical manifests. And it becomes Art. How Magpul accomplishes such things, I can only guess, but they've done it again. I own the Matech rear BUIS, but it's a bit mulish in operation. Also, they provide no support for their products that are not purchased through specific channels, such as Amazon. Until recently, it was also prohibitively priced (my opinion). The KAC BUIS is refined in some aspects, but often many of their products are stratospherically priced (again, my opinion). Magpul has earned a reputation of not only providing for the working soldier but being within reach of the average working man (or woman). To place all three rear BUIS side by side, a dollar spent per feature the Magpul LR BUIS is a hand down winner. And it's something that's a hands-on in-person type of thing to appreciate. Both the Matech and the KAC are a modern glorification of (at best) early 1800's technology, the Tang Peep Sight. Yup, even muskets sported them before the 1800s. But most of us born during or after the 20's century have grown up hands-on with things a little different. The Magpul LR keeps a lot of the critical function and familiarity that most who have experience with small arms know, understand, and have come to rely on. Add to this that the piece looks like it was created the same way a well-healed 1911 is born. The impression is much more like a hand smithed part than mass production. The magpul sight itself has as much craftsmanship and attention to detail by itself alone as do many steeply-priced firearms in their entirety. And it's not frivolity. Every aspect contributes to function, and it still manages to look sexy. It's not that no aspect could potentially be better addressed. I even don't like the flip-forward aperture. But at least it's done better than previously. I don't plan to part with the Matech 600m BUIS, it's functional, it's paid for, and it is arguably well proven. Neither would I shun any KAC implement I should be fortunate enough to obtain. But there was some Love At First Sight with the Magpul LR BUIS, and the longer I looked, the more there was to love.

The Magpul mbus pro arrived on time. It was precisely what I wanted for AR platform backup iron sights. Great price and quality Magpul product. Suggest it along with matching front sights. Simple to install. Overall very satisfied with my choice

I love the MBUS Pro LR. Appears to be good quality with a small footprint. I use Magpul pro lr as my main rear sight with a fixed front sight post. When folded down, they tuck nicely into the rail. They do not hang over like the plastic ones. They are a setting good for a quick acquisition or accuracy, and it can be folded down with either option.