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JessicaB

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I am looking for opinions. I have the stock iron sights which are not flip up sights. I know that I will be getting a dot sight though not sure when and what yet. Would it make sense to buy a set of Magpul flip up sights to use also? Negatives/positives? I like the idea of being able to flip the Magpul sights up and down when using or not using the dot sight. I also like the look of the Magpul sights. Would this make sense or not? Ideas, etc. welcome.
 
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Makes sense to me too! Just did the exact same thing on mine. Replaced the stock irons with the Magpul's. They are nice and also lighter than the irons. Just saw a post in the classified section a couple days ago for a set for sale. Check it out as they may still bs available.
 
I to have red dot & flip ups. But I could not see spending a hundred for MP for something to have just in case the dot stops working. I got an off brand set of flip ups for a little less than 1/4 of what the magpul cost. They work just fine , co wetness is good & stays.
 
The magpul sights make sense in that they are a pretty good fit, being light weight polymer sights on a light weight polymer rifle. The only hang up might be the cost. If you are good with the price, there really isn't a good reason not to.
 
I prefer the fixed sights over the Magpul. Actually took the Magpuls off my .22lr upper and swapped my son for his fixed sights.

I like being able to adjust elevation at the rear sight for known distance. For example, I sighted mine in at 25y with the rear drum set to Z (three clicks up from the bottom). Then when I move down to the 50 yard line, I turn the drum 3 clicks to the 5/3 setting and I am on target again. Then for 100 yards, I can turn the drum past the Z setting so that I can make hits at that range as well.

I also prefer the round peep ring of the fixed sight vs. the flat top of the Magpul. It shouldn't matter, but for some reason I struggle with the Magpul site picture.
 
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headcase650 said:
The MBUS2's have a round peep, small hole and large.
Click to expand...

The hole is round, but the outer edge on top is not, it is flat. I don't know why, but that bugs me. I prefer the A2 type of sight, or a Matech.

Jessica, sight types are individual preference. No one will fault you for changing out sights. The only negative for most people is cost.
 
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Dot sight

I am leaning toward a Bushnell Trophy red dot but I'm not sure how this could work with my vision. I wear "coke bottle" glasses and my eyes work independently and not with each other. Could this dot be used with just one eye?
 
I have backup Irons on my work rifle because I NEED them if my optic fails. On my 15-22 I did not put any on because realistically if the batteries fail I will replace them. If I want to shoot irons I guess I could throw the stock sights back on.

Its a matter of preference really. If you really think you will use them go ahead. If they are only going to be on there to look cool you may want to consider spening your money else where.
 
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I think it is between the Bushnell red dot vs. Primary Arms micro dot w/Magpul MBUS sights. Are there any negatives of the Bushnell and Primary Arms micro dot?

How big of a riser for the Bushnell?
 
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JessicaB said:
I think it is between the Bushnell red dot vs. Primary Arms micro dot w/Magpul MBUS sights. Are there any negatives of the Bushnell and Primary Arms micro dot?

How big of a riser for the Bushnell?
Click to expand...

Negatives compared to what? The Bushnell TR-25 is a good, budget red dot. As far as riser, depends on if you want absolute co-witness or lower 1/3rd. They also now sell a TRS-25 with a high mount base that provides it with the proper height for co-witnessing but I don't know if it is absolute or lower 1/3.
 
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On both of them, the light emitter kind of gets in the way with a lower 1/3 co-witness. I guess that is my biggest gripe with them compared to the Aimpoint T1/H1. Also, they have a green tint to the glass that the Aimpoints don't have. Not that big a deal for the price.

look on Youtube. both are decent red dots for the money. The Primary Arms dot is more versatile due to the model with the removable base.

Also, since the Primary Arms more closely resembles the Aimpoint, with a bit of modification, I was able to use the TangoDown cover which includes integrated lens caps. iO Cover for Aimpoint T-1 iO-001 | Tango Down

Otherwise, I have both and they seem comparable to each other as far as quality goes. Personally, on an AR platform, I would prefer the Primary Arms. Plus they have a good reputation for customer service.

As far as the riser height, it would depend if you want absolute or lower 1/3 co-witness.
 
cyphertext said:
Negatives compared to what? The Bushnell TR-25 is a good, budget red dot. As far as riser, depends on if you want absolute co-witness or lower 1/3rd. They also now sell a TRS-25 with a high mount base that provides it with the proper height for co-witnessing but I don't know if it is absolute or lower 1/3.
Click to expand...

What is the difference between 1/3rd versus absolute co-witness? What would the riser height be for each?
 
headcase650 said:
The newest versions of the PA micro moved the emitter to the 4 o'clock position to help with 1/3 co witness.
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Oh yeah, I read that it is now at the 4:30 instead of the 5:00. Have you by chance had the opportunity to compare the two? Does it make much of a difference?
 
JessicaB said:
What is the difference between 1/3rd versus absolute co-witness? What would the riser height be for each?
Click to expand...
Co-witnessing means both iron sights and the red dot sight are visible when aiming down the rifle. It means that both sights "witness" the target, hence "co-witness". Absolute co-witness means the dot lines up perfectly with the iron sights when looking through the red dot sight. Lower 1/3 co-witness means the red dot sight is mounted slightly higher, with the iron sights only visible in the lower 1/3 of the view through the red dot sight. Illustrated below.

cowit1-1.jpg
 
JessicaB said:
I am leaning toward a Bushnell Trophy red dot but I'm not sure how this could work with my vision. I wear "coke bottle" glasses and my eyes work independently and not with each other. Could this dot be used with just one eye?
Click to expand...

Have you used or looked through a 1x red dot?

I'll proceed as if you have not. Go to a gun store and look through a couple. An EOTech with a small 1moa dot and something else with a 3-5moa dot will give you a good idea. Use your long distance corrective eyewear and look at something as far away in the store as you can or ask to look at it outside. Do not try to focus on the dot but rather what you are viewing through the optic. Or maybe see different optics at your gun range...

Using one eye with a red dot is ok. You just don't get unlimited field of view with one eye closed but considering your eyes the overriding factor is that you're comfortable and enjoy shooting. You may find that your eyes don't agree with a 1x red dot and it's a blurry streaking cluster of grapes mess. If so, there are low power 1-4x scopes with side focus that may be worth considering and forget the irons.
 
It sounds like I should possibly look at scopes also. What are examples of low power 1-4x scopes? I have looked through a scope that a family member had and I had a really difficult time with that.

It also sounds like I want 1/3 co-witness. I'm really not comfortable getting a primary arms dot because from what I can tell they are not shockproof. If I were to get a PA dot it would probably be the fixed base micro dot, MD-06L removable base or micro dot classic w/removable base. Everything else looks really too heavy. Pros/cons of those three dots?
 
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Primary arms are gtg, they can take a beating. The problem with red dots is if you have astigmatism in your right eye they will look funny, grapes, squiggly for example. Reflex or holosights dont suffer the same problems. I had a pretty bad astigmatism before lasik. Most red dots the dot looked fuzzy not a sharp round dot. I had a bushnell holosight and it looked perfect. Although true reflex holographic sights are usually more expensive. Eotech, trijicon makes a few. Used first or secong gen Bushnell holosights can be found for good prices these days and are actually pretty good sights.
 
headcase650 said:
Primary arms are gtg, they can take a beating. The problem with red dots is if you have astigmatism in your right eye they will look funny, grapes, squiggly for example. Reflex or holosights dont suffer the same problems. I had a pretty bad astigmatism before lasik. Most red dots the dot looked fuzzy not a sharp round dot. I had a bushnell holosight and it looked perfect. Although true reflex holographic sights are usually more expensive. Eotech, trijicon makes a few. Used first or secong gen Bushnell holosights can be found for good prices these days and are actually pretty good sights.
Click to expand...

Will they look like that even though I have corrective glasses?
 
Depends on how bad your astigmatism is and how well its corrected with your glasses. I would look through some first before buying. When you do have them mounted to a rifle and shoulder it. When I would pick up a sight and just look through it its would look okay with glasses but just just having the sight in my hand was misleading because I was looking straight through my glasses. Having it on the rifle with your cheek on the stock you'll be looking through your glasses at an angle and will get a different result. Just make sure you look through some before you buy.
 
Sounds like something I will have to do. I don't know if I can look through one on a rifle itself though. I'm pretty sure I want the Primary Arms micro dot MD60L and Magpul flip up sights at 1/3rd co-witness. Not sure as to what riser I want though.
 
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