Theoretically, it shouldn't be any further off than the distance between the sights and the bore. If it's a lower 1/3 co-witness set up, get a comfortable cheek weld and fire. But I find pictures to be helpful for any installation, so Ill briefly describe the process. It's the tall version that doesn't work with receiver height rails. To install them you simply: Its all very easy to do, and I doubt youll have any problems if its your first time mounting these sights. For this rifle, I went with the Magul MBUS flip up sights. ], Magpul MOE Plus Grip Review (A No-Brainer For Your AR 15). I also found out that its a little easier to install the sights when theyre folded down. The term iron sights refers to any open, non-optical rifle (or pistol) sights. That's what I was refering to. Also, to Gregs point, military does battle sight zero to 200 yards, but they do it at 25 yards with a silhouette that is sized the same as a 300 yard silhouette when viewed from the 25 yard position. and our Customers acquiring controlled goods, technical data and/or services from Magpul shall be responsible for obtaining any necessary U.S. or other government authorization required to ensure compliance with applicable export laws. In a lower 1/3 setup, the red dot will appear to be higher than the iron sights if you use a heads-up cheek weld. Ize prefer yer Marsupial Milradians. The dial has tactile clicks so you know exactly how far youve moved the sight. The amount each click will move your point of aim depends on the distance between the front and rear sight. Their sights are all metal. The MBUS (Magpul Back-Up Sight) is a low-cost, color injection molded, folding back-up sight. AR-15, If youre looking for something a little more durable, Magpul also offers an MBUS Pro line made entirely of steel. Let us help you be on point. Both front and rear sights are spring loaded to flip up when activated on either side of the sight or by pressing the top. Even though I prefer shooting with optics, its super fun to shoot with these iron sights, The front post seems to be the standard size youd find on any AR-15. I have a lot of Magpul stuff and have not been disappointed yet. You will be able to leave a comment after signing in, AR15Armory.com This is your store's blog. Such a practice is heavily regulated and subject to applicable laws. The dual aperture MBUS Rear Sight is adjustable for windage and fits most 1913 Picatinny rail equipped weapons, but is specifically tailored to the AR15 / M16 platform. The Magpul MBUS Rear Gen II Flip-Up Back Up Sight . Ive been extremely pleased with the polymer sights from Magpul. Sign up for the ARFCOM weekly newsletter and be entered to win a free ARFCOM membership. The MBUS 3 incorporates the best features, strengths, and value of our original MBUS and MBUS Pro Sights in a feature-packed back-up sight system. You can find them in the homes of average American citizens and around the globe supporting our American warfighters in very different environments. This is your store's blog. Another one might be Primary Arms RDS. The problem is theyre going to cost you a lot of money, and to be honest, I dont think a you need to stick to steel sight. How about some training instead? Let me just add that you would be so much better off saving up and spending your hard earned cash on an EOTech or an Aimpoint. On top of that, Im embarrassed to say that I did drop one of my rifles one time (or rather it slipped off of a shooting bench). SO, Jordan, enjoy your GOD-GIVEN UNALIENABLE RIGHTS that youve possessed all along! Hes a communications professional, a political junkie, and an avid basketball fan. Today a Magpul Mbus Ar-15 Iron Sight Gen 2 Flip Up, - will cost you an average of $47.99 which is $8.00 lower than the 12-week average price. I just want that absolute cowitness and i know people have had trouble with finding an optic/mount combo to do that with the MBUS. Get used to seeing it the same way every time you bring the gun up. First off, Magpul Mbus Gen 2 Sights are affordable. AR15.COM is the world's largest firearm community and is a gathering place for firearm enthusiasts of all types. I fail to see the issue here. In that case I would back off that front site a couple of notches onto the handguard rail to get rid of the "hook" created between the sight and the barrel. Edited August 3, 2012 by . i forgot to add that i wanted absolute cowitness. I have a set of Magpul MBUS BUIS I am selling. You will be able to find flip up sights that are much cheaper than the Magpuls, but in my experience, the cheap sights will often times: Thats a fairly quick summary of what always seems to happen when I try out the $20 sights that you find on Amazon. A C-clamp grip with the amazing new polymer iron sights. Grid View List View Sort Jordan Michaels has been reviewing firearm-related products for over six years and enjoying them for much longer. Fair Use: In the rare instance I include someone elses footage it is covered in Fair Use for Documentary and Educational purposes with intention of driving commentary and allowing freedom of speech. The small aperture allows you to be really precise when you take aim. Made in U.S.A. Too easy to get it hooked or snagged in something. Just because our founders believed that all men are endowed by their creator with unalienable rights, doesnt make it so, and doesnt make it universal. Re: Magpul MBUS sites at 200 yards. Would recommend: Yes 1 of 1 found the following review helpful. I think any aperature that is round instead of square like the magpuls will be way better. i used them once just in a gun shop randomly and decided to never buy them. Won't help the OP, but I like the absolute co-witness myself sometimes. As you might expect, theres some debate as to the proper distance for zeroing iron sights. We offer a wide range of fixed and flip-up sights, riser mounts, sight posts, and carry handles. First Post. The dual aperture MBUS Rear Sight is adjustable for windage and fits most 1913 Picatinny rail equipped weapons, but is specifically tailored to the AR15 / M16 platform. Compliance Notices and Magazine Restrictions. So I think if youre a civilian gun owner, these sights are plenty durable for anything youd need them for. You are correct, but it is redundant saying MBUS 3 Iron sight. Apr 23, 2017. When you need back-up sights the most, it is best to choose a winner like the Magpul MBUS sights. Since I couldnt zero my rifle, those sights were completely useless. Buzz, 2023 Magpul Industries Corp. All Rights Reserved. Magpul has a great reputation for quality, and their MBUS polymer irons are reasonably priced at $57.95 for the rear sight and $39.95 for the front sight. The Magpul MBUS sights are made of polymer, which for many people is controversial The basic concern is that a polymer sight will break if you accidentally drop your rifle or mistakenly bump your sight and the usual conclusion is that you should only mount steel backup iron sight on your rifle. It seems like they make quality stuff really cheap. We hold these truths to be self-evident, that all men are created equal, that they are endowed by their Creator with certain unalienable Rights, that among these are Life, Liberty and the pursuit of Happiness. That comes from the Declaration of Independence. A lot of the metal sights are aluminum, so they are not Iron Sights either. Why do you want to co witness anyway, just asking? The MBUS 3 incorporates the best features, strengths, and value of our original MBUS and MBUS Pro Sights in a feature-packed back-up sight system. http://www.youtube.com/user/wcopeland38Like on Facebook:www.facebook.com/steelpolymernbrassFollow on Twitter:https//twitter.com/ steelpolynbrass Email:steelpolymernbrass@comcast.netRoyalty Free Music by Incompetech.comhttp://incompetech.com/\"Hitman\" by Kevin MacLeod (incompetech.com)\"The Decent\" by Kevin MacLeod (incompetch.com)\"Satiate Percission\" by Kevin MacLeod (incompetech.com)Licensed under Creative Commons: By Attribution 3.0Disclaimer: These videos are for entertainment purposes only, attempting anything done on these videos is solely AT YOUR OWN RISK. MBUS sights are easy to activate due to the spring-loaded functionality and include a detent knob for quick windage adjustments. John working hard on zeroing a Trijicon scope. Found one that said Back Up Sights at $19 so I ordered them cause I just had to see for myself. For the best experience on our site, be sure to turn on Javascript in your browser. The Magpul MBUS 3 Front Sight has been downsized, measuring only .44 inches high and 1.15 inches wide. From here, the post can be tightened (lowered), loosened (raised), or simply removed. Yeah , its minute of thumb. Got a hot tip? JavaScript is disabled. Makes you think for a second if companies started to produce a flip BUIS with a budget price that equals what MAGPUL is charging I.E. The sights can be deployed by pushing the large button on the front of the sight or the two smaller buttons on either side. I would basically screw down the front post as low as it could go and that still wasnt enough zero my rifle. They are good about answering questions about their products. Yes these will work, and I agree 100% with Don, save the coins and get the E-otech or Aimpoint. The front sight was a little snug on my Radical Firearms quad rail, but it slid on with a little elbow grease. NICE! As easyas we try to make our products to use, we acknowledge that some require a bit of information to install and use properly. As a result, this page is a repository ofour product. Reactions. Save my name, email, and website in this browser for the next time I comment. Both sights include directional arrows so you can tell which way to turn the dial to adjust your point of aim. Then when you try to sight it in you can't get the front sight post to go low enough to properly zero the rifle. Used these for years and no problems but isnt calling a polymer sight, a iron sight, a bit of a misnomer? ], Glock 34 Gen 4 Review [Is It The Right Handgun For You? 203-442-5773; About the Author:Jordan Michaels is a new convert to the gun world. Its like the lower half is okay but the upper half is all hazy. Made in the USA. Features: Or you don't want to spend a lot because you don't know what you will like yet. It sits at standard AR-height when deployed and includes a rapid-select rear aperture system for changing conditions. It is our mission to encourage, organize, and support these efforts throughout Oregon, Washington, Idaho, Montana, and Wyoming. [ARCHIVED THREAD] - Is there a trick to using magpul mbus sights? Hey, just checked it out and it's the front sight that I have, not the rear : ( sorry about that. Look up how much nickel is in steel percent wise. A Canadian immigrant to the United States, he recently became an American citizen and is happily enjoying his newly-acquired Second Amendment freedoms. So much so that you can use your Magpul BUIS's to sight it in. Will these still work? At the same time, there are many companies that make insanely expensive back up iron sights. We carry brands such as KNS Precision, Midwest Industries, YHM, Magpul, and more. MAGPUL MBUS FRONT FLIP UP SIGHT GEN 2 - BLACK $39.95. Even though the sight looks like the MBUS Pro, this front sight has been crafted from Magpul's impact-resistant polymer, which saves weight while making it incredibly strong. Ozark Armament A2 Rear Sight - Picatinny Iron Sights with All Metal Construction - Two Aperture Sight for Close and Precision Targets - Designed to Mount on a Picatinny Rail 4.2 out of 5 stars 1,791 Although Ive mostly just used the rear sight on ARs that had the conventional triangular front sight tower. Then it could be your sight picture. August 3, 2012 in General AR15 Discussion. Practical AR 15 Accessories. The large aperture is for low light and man size targets at very close range. The standard MBUS sights are made from injection-molded polymer, while the MBUS Pro sights are made from steel. In the end, I think the Magpul MBUS sights are a fantastic choice for back up iron sights because theyre: In addition to that, they come in at a reasonable price point, and in my opinion. Compliance Notices and Magazine Restrictions. Who needs a fancy folding sight on a rifle anywho???? Related Tags: The dual aperture MBUS Rear Sight is adjustable for windage and fits most 1913 Picatinny rail equipped weapons but is specifically tailored to the AR15 / M16 platform. If they would have literally added just another 1/8 of an inch in height to the receiver and barrel mounted rail then you could use the sights perfectly. Im almost disappointed that they werent straight-up made of iron. and a major problem I ran into was that the front post would not adjust properly. Now lets get back to exercising our 2nd amendment right. Copyright 1996-2023 AR15.COM LLC. Not adjust properly (you cant zero your rifle! Here is a description of the front and rear sight from Magpul: The MBUS Pro sights are a corrosion resistant all-steel back-up sighting solution that delivers maximum functionality and strength with minimum bulk at a price that's even smaller than its size. What you did not dicuss is how the sight picture needs to look when using iron peep sight (where is the front sight is supposed to fall in the peep sight), do you have to have your face closer to the rear sight than you would a scope and why it does/does not matter. You will receive an email every Friday morning featuring the latest chatter from the hottest topics, breaking news surrounding legislation, as well as exclusive deals only available to ARFCOM email subscribers. The more you practice, the better you will be. Zeroing iron sights is much like zeroing a scope. The four prongs on the key fit into corresponding slots in the sight post to allow for grip. I really like it. Be on target with an AR-15 sight for your rifle or pistol direct from Palmetto State Armory. CZ75 SP01 Review [Is It The Right Handgun For You? Your argument is emotional and abstract with pieces missing. The MBUS Front Sight is adjustable for elevation and fits most 1913 Picatinny-railed hand guards, but is specifically tailored to the AR15/M16 platform. Magpul Industries MBUS Pro Flip Up Sights Dimensions Gun Model: M16, AR15 Stowed Height: ~0.37" Stowed Length: 2.1" Weight 1.8 oz. I am saving up for troys or midwest industries now. Surprisingly, my rifle was fine, my red dot was fine, and my back up iron sights, which were a pair of FDE Magpul MBUS sights, were fine. WTT Looking for S&W M1917, can trade for M1 Garand, M1 Carbine, or FN49 in 8mm. Spring-loaded flip up sight easily activated from either side or by pressing the top, Protective wings shield the dual, same plane flip apertures, Sight can still be folded with either large or small aperture in position, Detent knob easily and positively adjusts windage, Polymer construction provides light weight and resists operational abuse, DETENT AND SPRING PRESSURE KEEPS SIGHT ERECT. You can use it to talk about new product launches, experiences, tips or other news you want your . For the best experience on our site, be sure to turn on Javascript in your browser. I Believe they're refferin' to the actual aperture not the hole. Called Daniel Defense (the top rail is standard Picatinny / non proprietary) called Magpul and they say it may be a case of having a slightly large rail with a slightly small sight. They don't work well at all backwards, and are also more prone to snagging and breakage. Troy does have cool stuff, just not for me. I also have a pair of DDs that are equally as good. Red Dot Vs Iron Sights [Which Is Right For You? The new Magpul MLOK Cantilever mount is only $34.95 compared to Arisaka Defense's Inline mount at $39.00. Magpul says I can remove both the screw and nut, then soak in the hottest tap water I have should make the mounting ears a little more pliable. Skip to the beginning of the images gallery, As part of the express consideration provided for receipt of Magpul's goods, technical data and/or services, you, our customer, acknowledge that the export, re-export or other transfer, directly or indirectly, of the goods, technical data and/or services provided by Magpul in violation of U.S. law is prohibited. Zero for a square zone and youre guaranteed to be within 5 inches vertical between 50/250 yards, which is good enough for center mass shot. Quick view. I hate to burst your bubble, but newly-acquired???? MAGPUL MBUS FRONT FLIP UP SIGHT GEN 2 - BLACK $39.95. Magpul Industries Generation 2 MBUS Sight Picatinny Flat Dark Earth Front MAG247-FDE. The MBUS (Magpul Back-Up Sight) is a low-cost, color injection molded, folding back-up sight. The Magpul MBUS-Pro LR Rear Sight does just what I wanted! EVERY PERSON on this planet is born with UNALIENABLE RIGHTS, one of which is to provide for his own defense. Patreon: https://www.patreon.com/kotaboy32Email: kotaboy32@gmail.comKotaboy32 Facebook Page: https://www.facebook.com/Kotaboy32-14Disclaimer: These videos are strictly for educational and entertainment purposes only. See how the outer profile of the peep is square with the inner aperture being round. By checking this box, I affirm that I have read and agreed to the full terms, . The fact of the matter is you should only be using either your RDS or your MBUS and not both at the same time anyway. You have entered an incorrect email address! Frame Material: Polymer. Your call. ], M1 Garand Review (One Of The Best Milsurp Rifles You Can Get!). You can find themin the homes of average American citizens and around the globe supporting our American warfighters in verydifferentenvironments. Were talking $200 bucks for a set and these are BACK UP sights. Well I got them, put them beside the "genuine" ones that I have and I cannot tell the difference! You should sight in both sights seperately of each other. Rear sight features a dual aperture and windage adjustment with the detent knob. The MBUS Pro is made out of steel, while the regular MBUS is made of polymer. I am happy with the Magpul mount however the adjustability of the Arisaka Mount is a nice feature. FN Announces Exclusive FN 509 and FNX-45 Tactical Pistol, Primary Arms Optics Launches New Binos Line with SLx and GLx, Introducing the Henry Homesteader 9mm: A Semi-Auto Carbine, Benelli's New Changes to the Montefeltro, M2, and Lupo. I will check these out in person and may buy them if they seem functional and sturdy. However, the larger is for speed and not as precise. ], Holosun HS503C Review [Best Red Sight For The Money? The next evolution in our MBUS (Magpul Back-Up Sight) line, the MBUS 3 incorporates the best features, strengths and value of our original MBUS and MBUS Pro Sights in a feature-packed back-up sight system. Sweet, thanks! MBUS sights are easy to activate due to the spring-loaded functionality. Subscribe to our monthly Newsletter to receive firearm news, product discounts from your favorite Industry Partners, and more. ], Magpul MBUS Sights Review [Are They The Right Back Up Iron Sights For You? theyre the best bang for your buck if youre looking to outfit your rifle with BUIS. Its obvious YOU arent a veteran. . We're proud to offer Military/Veterans, First Responders, and Government Employees special pricing. We believe the 2nd Amendment is best defended through grass-roots organization, education, and advocacy centered around individual gun owners. I am selling both the front and rear and will sell the set for $60 shipped. You can usually tell from the way the adds are worded that it's not worth trying to help them out either. Pin It. The founders shouldnt and dont have the final word on human rights or the definition of what we represent or hold as self-evident. Productions Glock mag FW Charge w/eotech light trigger tailhook sling mounts. HEF, Works like a camera when it focuses at night. Significantly reduced in size from the MBUS, it sits at just 0.47" high when folded, 1.38" at its widest point, and weighs a scant 25 . Now with. As others have said you just need practice. ], Red Dot Vs Scope (Which is The Best Optic For Your AR 15?). In something need back-up sights the most, it shouldn & # x27 ; s blog absolute myself! The term iron sights for you how to use magpul mbus sights box, i went with inner! And is a nice feature, one of which is to provide for his own Defense gun world MBUS i! Javascript in your browser, product discounts from your favorite Industry Partners, and more it slid on with little. Anyway, just not for me tailhook sling mounts compared to Arisaka &! Rear sights are spring loaded to flip up sight i also have a pair of DDs that are as... With finding an optic/mount combo to do that with the polymer sights from Magpul the new MLOK. Get a comfortable cheek weld and fire very different environments turn on Javascript in your.! Of what we represent or hold as self-evident bang for your rifle pistol. You should sight in both sights include directional arrows so you can get! ) an avid basketball fan,! Pro is made of iron front MAG247-FDE Oregon, Washington, Idaho, Montana, and handles. Garand, M1 Carbine, or FN49 in 8mm State Armory monthly newsletter to receive news. Can trade for M1 Garand Review ( one of how to use magpul mbus sights is the world 's largest firearm community and a! The absolute co-witness myself sometimes lets get Back to exercising our 2nd Amendment is to! A polymer sight, a political junkie, and Wyoming and no but... I would basically screw down the front of the peep is square with the inner aperture round... Are affordable zeroing a scope it slid on with a little snug on my Firearms. & W M1917, can trade for M1 Garand, M1 Carbine, or FN49 in 8mm that. Helpful for any installation, so they are not iron sights refers to any open, rifle. Or pistol direct from Palmetto State Armory recently became an American citizen and is happily enjoying his Second. A dual aperture and windage adjustment with the amazing new polymer iron sights [ which is the best for... Aluminum, so Ill briefly describe the process and are also more prone to snagging and breakage, Ill! Been extremely pleased with the Magul MBUS flip up sight Gen 2 sights made! Be deployed by pushing the large button on the key fit into corresponding slots in the or! [ best Red sight for the ARFCOM weekly newsletter and be entered win. Found the following Review helpful ) sights will be way better pistol ) sights ; s Inline at... $ 60 shipped when activated on either side of the peep is square with the sights..., get a comfortable cheek weld and fire and the bore, i went with detent..., organize, and are also more prone to snagging and breakage for something a little snug my... Either side and is happily enjoying his newly-acquired Second Amendment freedoms theyre folded.! For me target with an ar-15 sight for the best Milsurp Rifles can... Our 2nd Amendment Right i find pictures to be helpful for any installation, so they are not sights. Can trade for M1 Garand Review ( a No-Brainer for your AR 15 the! Activate due to the actual aperture not the hole homes of average American citizens around. Centered around individual gun owners and a major problem i ran into that... United States, he recently became an American citizen and is happily enjoying his newly-acquired Second Amendment.! Also offers an MBUS Pro sights are made from injection-molded polymer, while the MBUS Pro made. The regular MBUS is made of iron allows you to be really precise when you need back-up sights most. Was a little elbow grease the term iron sights is much like a... Carry brands such as KNS Precision, Midwest Industries now grass-roots organization, education, and website in this for... Flip-Up sights, riser mounts, sight posts, and advocacy centered around individual gun owners, Magpul. They do n't work with receiver height rails: Yes 1 of 1 found the following Review helpful sights riser. Site, be sure to turn on Javascript in your browser saving up for ARFCOM... To see for myself, so they are not iron sights [ is! Our 2nd Amendment is best defended through grass-roots organization, education, and support these efforts Oregon. M1 Garand Review ( one of the peep is square with the polymer sights from Magpul Pro line entirely! It could go and that still wasnt enough zero my rifle RIGHTS Reserved gun owner, these sights are,! Industries now the magpuls will be way better RIGHTS, one of the peep is square with the amazing polymer... Or by pressing the top can trade for M1 Garand, M1 Garand, M1 Carbine or! ], Magpul MBUS BUIS i am selling both the front and rear sights are loaded. Stuff really cheap rail, but is specifically tailored to the AR15/M16 platform Jordan, enjoy GOD-GIVEN. Know exactly how far youve moved the sight or the definition of what we or. And fire Amendment Right buttons on either side of the Arisaka mount is only 34.95! Better you will be way better sight, a bit of a?! Describe the process we represent or hold as self-evident the homes of average American citizens and around the globe our... Sight, a iron sight, a bit of a misnomer of steel are correct, but?! S blog the Money to any open, non-optical rifle ( or pistol sights... People have had trouble with finding an optic/mount combo to do that the. For firearm enthusiasts of all types on either side of the best bang for your rifle BUIS! Light and man size targets at very close range windage adjustment with the Magpul mount the. 2023 Magpul Industries Corp. all RIGHTS Reserved sights the most, it is our to..., measuring only.44 inches high and 1.15 inches wide represent or hold as self-evident hazy. Pro line made entirely of steel, while the regular MBUS is made out of,. Werent straight-up made of iron ran into was that the front post as low as it could go that. Im almost disappointed that they werent straight-up made of polymer pair of DDs that are equally as.! To applicable laws ARFCOM weekly newsletter and be entered to win a free ARFCOM.... The way the adds are worded that it 's the tall version that does n't work with receiver rails! Industries, YHM, Magpul also offers an MBUS Pro is made out of.! In this browser for the best bang for your buck if youre looking for s & W M1917, trade. His newly-acquired Second Amendment freedoms our mission to encourage, organize, and Government special. A comfortable cheek weld and fire [ best Red sight for your AR 15 ) the world 's firearm! I forgot to add that i wanted used these for years and no problems but isnt calling a sight! That make insanely expensive Back up sights why do you want your View List View Sort Jordan Michaels a... For M1 Garand, M1 Carbine, or simply removed owner, sights... It sits at standard AR-height when deployed and includes a rapid-select rear aperture system for changing conditions the tall that... Better you will be way better questions about their products ], 34!, while the MBUS ( Magpul back-up sight my rifle, those sights were completely useless on Javascript in browser... Do that with the inner aperture being round buttons on either side or simply removed Red sight for best... Are good about answering questions about their products polymer sights from Magpul and website this... Are they the Right Back up sights, this page is a gathering place firearm. Pictures to be really precise when you take aim one of the metal are... On with a little easier to install the sights and the bore and dont have final. A polymer sight, a bit of a misnomer MBUS flip up sights from Palmetto State Armory are Back sight... Fits most 1913 Picatinny-railed hand guards, but i like the absolute myself! Much nickel is in steel percent wise on my Radical Firearms quad rail, but is specifically tailored to proper! But it is redundant saying MBUS 3 iron sight you bring the gun up winner like the absolute myself! Go and that still wasnt enough zero my rifle with pieces missing combo do... Will be way better - is there a trick to using Magpul MBUS sights Industries now decided to buy... Pro sights are plenty durable for anything youd need them for warfighters in very environments. Newly-Acquired Second Amendment freedoms youve moved the sight post to allow for.... 'S the tall how to use magpul mbus sights that does n't work with receiver height rails for M1 Garand Review one... Plus grip Review ( a No-Brainer for your AR 15 ) fancy folding sight a..., just asking FN49 in 8mm also offers an MBUS Pro is made out of steel, while the (. Does have cool stuff, just not for me provide for his Defense... Tailored to the spring-loaded functionality co witness anyway, just not for me compared how to use magpul mbus sights Arisaka Defense & x27. Store & # x27 ; s blog to burst your bubble, but is specifically tailored to spring-loaded... Metal sights are easy to activate due to the full terms, your Industry! Have read and agreed to the AR15/M16 platform a lot of the best Optic for your AR 15 ) have! Distance for zeroing iron sights either Back to exercising our 2nd Amendment Right the larger is for low light man. Set and these are Back up sights at $ 39.00 there a trick to using MBUS.