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Centerfire Rifles - Semiautomatic or Gas Operated Centerfire rifles, carbines and other gas operated rifles.

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  #1  
Old 09-13-2012, 4:08 PM
cpatbay cpatbay is offline
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Default Magpul mbus sights

How are the magpul mbus front anf rear sights? I like their light weight and low price. Do they work well enough as my backup sights?
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  #2  
Old 09-13-2012, 4:27 PM
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I think they are junk IMO. Get what you pay for.. And be careful and don't buy the airworthy ones that don't work for like half price like everyone else on here did thinking they found a deal a few years ago.
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  #3  
Old 09-13-2012, 4:41 PM
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Fine as a backup.
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Old 09-13-2012, 4:43 PM
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I have one as a rear backup and no complaints.

I get my scope tomorrow

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Old 09-13-2012, 4:44 PM
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Yep, complete junk....8,000 rounds and 5 carbine classes later, they're still working fine as backups for me. UMMV.
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Old 09-13-2012, 4:51 PM
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They are good and tough little sights. Good value sights.
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Old 09-13-2012, 5:35 PM
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What I don't like about the front sight is that the protective "ears" are very thick. I suppose that's because they have to be, being made of plastic. But it makes for a crowded sight picture when trying to line up the rear aperture with the front post while also trying to find the target.

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  #8  
Old 09-13-2012, 5:48 PM
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They're fine for a backup to optics but I wouldn't use them as my primary sights.
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  #9  
Old 09-13-2012, 5:55 PM
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I wouldnt use folding sights as a primary period.
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Old 09-13-2012, 6:20 PM
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My only complaint and I have no Idea why they have never given me trouble is that the rear Peep is made out of plastic If It was made out of metal like the front post I would trust them 100%
An oh yeah Because they are plastic dont mount them on a railed gas block FS will Melt
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Old 09-13-2012, 6:21 PM
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these sights are not worth the trouble. Look in the marketplace to get a good deal on a better set.
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  #12  
Old 09-13-2012, 6:23 PM
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I have them and have had no problems. I only used mine for a bit until I bought a scope and now they aren't even on my gun, but I liked them when I used them.
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Old 09-13-2012, 6:39 PM
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Quote:
Originally Posted by CK_32 View Post
I think they are junk IMO. Get what you pay for.. And be careful and don't buy the airworthy ones that don't work for like half price like everyone else on here did thinking they found a deal a few years ago.
Agreed. They're junk. If your life might depend on them, spend a little more on metal.
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  #14  
Old 09-13-2012, 6:41 PM
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They are better than nothing. They aren't great...if you are looking for battle (backup sights) there are better options. I like Troy folders
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  #15  
Old 09-13-2012, 6:45 PM
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I think they are great sights, I love mine.
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  #16  
Old 09-13-2012, 6:46 PM
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http://vuurwapenblog.com/2012/07/08/...tic-drop-test/

Sure looks like crap.

Honestly, the only bad thing I've heard bout them is that some of the earlier production ones had lower quality polymer and could melt during high round sessions. Course it still applies to the newer ones but its a little more durable. That said, I run Troy on mine.
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  #17  
Old 09-13-2012, 6:56 PM
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Its pure crap, I took mine off on ar-15 and put it on another and it held zero. wtf, why would it hold zero? I was so pissed it held zero going from one gun to another.
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  #18  
Old 09-13-2012, 7:07 PM
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Hey folks they're back up sights! Alternate, the scope broke, your friends scope broke, you dropped your rifle on it's head. BACK UPS!
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  #19  
Old 09-13-2012, 7:11 PM
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I hate the rear peep. It's crappy to look through when using it with a FSB. They aren't that bad. They do exactly what they are supposed to be "back up sights" and they do that fine.

If you wanted to use them as a primary, I would not reccomend them at all.

They are a good cheap buy if you have a high quality optic that probably won't fail you, and you still want that extra insurance that you can still aim if your optic did infact break.
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  #20  
Old 09-13-2012, 7:12 PM
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I can tell by the comments who Has the MBUS and who Spent 100$+ more on other BUS
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  #21  
Old 09-13-2012, 7:12 PM
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Mine have served me OK but the sight picture sucks. However, I don't use them much anymore after getting an EOTech.
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  #22  
Old 09-13-2012, 8:01 PM
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Quote:
Originally Posted by sholling View Post
They're fine for a backup to optics but I wouldn't use them as my primary sights.
Quote:
Originally Posted by MrPlink View Post
I wouldnt use folding sights as a primary period.
This doesn't make since to me.. Why would you buy anything on your rifle you wouldn't trust for primary use?

If your optic goes down that is now your primary.. In other words you guys mean they are ok for a fashion statement.
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  #23  
Old 09-13-2012, 9:19 PM
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Picking folding sights as a primary is a fashion statement.
You got it backwards.
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  #24  
Old 09-13-2012, 9:32 PM
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I use 'em as primary sights on my 9mm AR that I use for plinking, but on my .223/5.56 ARs, I use the LMT tactical rear sight as my primary iron sight.
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  #25  
Old 09-14-2012, 12:11 AM
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I think they make good backup sights. I have an eotech w/ an eotech Magnifer. I don't see why I would spend $200+ for Troy sights as a backup. If SHTF and my eotech fails and my backup mbus fails, then the AK will come out to play.
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  #26  
Old 09-14-2012, 12:28 AM
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MBUS = (Magpul Back-Up Sight)

"Back-Up Sight" are the operative terms that apply and for which they do a fine job. I have no complaints with mine because their performance and price point have allowed me to buy more ammo, and do more shooting.
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  #27  
Old 09-14-2012, 12:43 AM
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I dont mind them one bit, the only thing I would change is to maybe shave down the front outer peace of the front sight mainly because its kinda bulky but works fine. Got them installed on my Dissipator upper and does its job.
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  #28  
Old 09-14-2012, 12:59 AM
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They are good enough as back up, but my SU top is too short for them.
I only wish that my SU has a longer top rail to install a pair of back up sights.
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  #29  
Old 09-14-2012, 1:08 AM
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they should only be used as back ups.
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  #30  
Old 09-14-2012, 1:22 AM
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I have both types.

The metal ones have a nicer feel. I love the sight picture of the Troy sights, and MI is nice too. I recently got to play with a KAC 200-600M (USMC) flip sight- that's a neat little thing too, though it feels more delicate than the rest.

That said, the Magpul ones work just fine. They don't feel as nice or look as fancy, but I see no reason they would fail.
The 2nd Gen magpul is much better- 1st gen might be a bit more durable (thicker), but the easily adjustable front sight of the Gen 2 is well worth the upgrade.

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Old 09-14-2012, 1:42 AM
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Quote:
Originally Posted by CK_32 View Post
I think they are junk
I respect your right to have an opinion.

However, that doesn't mean your opinion is right. In fact, it's wrong, and completely invalid.

Drop tests on Magpul iron sights compared to metal sights by major manufacturers prove that one drop on aluminum sights WILL break or bend them. Multiple drops on MBUS sights do no damage and did not throw off point of aim.

Citation:

http://kitup.military.com/2012/07/ba...drop-test.html

Quote:
Originally Posted by CK_32 View Post
And be careful and don't buy the airworthy ones that don't work for like half price like everyone else on here did thinking they found a deal a few years ago.
Yeah - there's some exact airsoft copies that are incredibly low quality, and aren't worth buying. Unless you use them on airsoft guns, anyway.
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  #32  
Old 09-14-2012, 2:04 AM
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I had one and they worked just fine.
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Old 09-14-2012, 8:16 AM
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They are an awesome budget BUIS. The price vs durability trade compared to Troy is great, they get the job done.
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  #34  
Old 09-14-2012, 8:39 AM
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I have them and they were very easy to zero. I really want to know how many of you are taking your rifles into battle or entrusting your life with them. These arguments never stop. Sure I want a set of Troys because they of course will be bulletproof. But, I am OK with spending half the money for BACK UP SIGHTS for when or if the battery dies on my SPARC. I trust my MBUS's. Maybe you should try a set first.
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Old 09-14-2012, 8:49 AM
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They work. For a backup sight on the cheap, they do the job just fine. Yes, there are much nicer ones but I personally fail to see any flaws with them so far considering the price. The protective ears are a little fat but hardly a deal breaker... besides they are there as backup. If buying the mbuis frees up 50-100 bucks more so I can get a higher quality main optic(which I will be using 99% of the time), I don't see a problem there.
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  #36  
Old 09-14-2012, 8:53 AM
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Here is a test featuring MBUS's

http://militarytimes.com/blogs/gears...d-expect/#more
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Old 09-14-2012, 8:56 AM
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I have a rear MBUS, it works fine as a backup sight, holds zero
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  #38  
Old 09-14-2012, 11:29 AM
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Quote:
Originally Posted by cpatbay View Post
How are the magpul mbus front anf rear sights? I like their light weight and low price. Do they work well enough as my backup sights?
cpatbay,

Those sight are enough for a back-up sight for you. Allot of people bash them cuz there made of plastic but I never shot my rifles enough to experience any heat related issues. Besides that do you really think your going into combat situation???? Believe me dude buy them and use the saved money for other things you want.

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Old 09-14-2012, 4:14 PM
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I have no complaint. Sure, I would get Troy over MBUS if they cost nearly the same. But since they don't, they are fine for me. Rings the gong all day long @ 100 yds. Have the front sight on a gas block rail and no sign of melting.
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Old 09-14-2012, 7:37 PM
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My MP15 Sport came with the MBUS rear and I thought it was fine. Would trust my life to it if needed. I zero'd the rifle at 50 and then 100 yds and got some decent groups with little effort. I saw no reason why these sights would be considered "crap" or bad in anyway. I wouldn't use them in competition but that's not what they are designed for...they are made to get you on target and fold down when not needed...they do that perfectly.
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