Hello,
I recently got the SW M&P 15-22 and back in the ROTC we only used the iron sights so I've been reading about the red dot sight/magnifier.
I saw some good combos in http://www.reloaderaddict.com/best-r...-sight-review/
What do you guys think about this combo? $53 Bushnell TRS-25 $63 UTG 3x Magnifier - Also, which rings should be used for these? Picatinny but not sure about specific sizes.
Thanks in advance!

P.S. Anyone knows which rings would match these?

If you can afford it I recommend Vortex Strike Fire II. Don't have the magnifier but they make one. That's what I use on my 15-22.

Strike Fire II is excellent and a good combo with their flip-mount 3x magnifier. Big sales are not that far off.

Vortex Optics - StrikeFire II Red Dot Red/Green<br />Cantilever

Vortex Optics - VMX-3T Magnifier With Flip Mount

Mine currently has a "Vortex Viper" on it..... 6" MOA dot for fast shooting.

I like the Bushnell TSR25 and have a couple on my Beretta 9mm CX4s. There's been a number of posts this past year.... that the older ones are better than the current crop...... can't comment myself on that....

The 15/22 isn't IMHO a precision target rifle .... but a understudy/trainer for an AR ....... or just plain fun at the range..... out to 100yds.

If you want magnification I'd suggest a 1-3 Weaver ($160ish) or 1-4x20 Leupold ($250ish)

I started using the new Sig Romeo5 2MOA and really like it.

That Bushnell/UTG combo works especially when you consider that the 1522 is not a 1 MOA or less rifle. It is a trainer for AR type rifles and an absolutely outstanding plinker/fun gun! If you have the budget put on an Eotech or Aimpoint but that makes no sense to me. I like the openess of a reflex sight and use a Sightmark Milspec version on my 1522. Its a good sight that didn't break my bank.

Have the 3moa Vortex Venom on mine and really like it. Crimson Trace CMR 206 laser (grn) on the bottom which has been super for armadillos and such at night. Currently have the Venom dialed in at 50 meters and the laser at 25. Plus the MBUSs. Nice little rig.

Optics Planet had a coupon at the end of last month for like 30% off of one. It was around $130 for a few days. Gone now, but they still have some sort of coupon available on it. I've had great luck with mine.

Thanks for your replies! Glad to know I decided on a decent one. I have been considering the Vortex Strikefire II for my Ruger AR-556, but it's out of my price range for the 15-22.

Thanks for the tip on the Vortex magnifier, noone had mentioned it before.

Does anyone know which risers do I need for the TRS-25/UTG combo?

I have the Vortex Strikefire II on my 15/22. Mine is the red/green dot combo..I have heard the one with only the red dot is a brighter dot, and better.

I previously had the TRS-25 on my 15/22, now it's on my Ruger Charger, but the correct riser for the sight is .83" high for lower 1/3 co-witness. If you want absolute co-witness a .75" riser will work just fine.

I like my Vortex SPARC AR. They offer discounts to Hunter Ed instructors.

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Do it outdoors

I have the TRS-25 with a UTG quick release mount and it's the perfect hight. I have mine fitted 2 clear notches on my picatiny rail in front of my flip up iron sites so they can be used with the TRS-25 in situ if needed. I really rate the TRS-25 for the price as it can take a knock and worked flawlessly in Afghanistan on my AK-47.

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Since you seem to have budget limits, it looks like the TRS-25 is the sight for you. Try it without any magnifiers first. You might like it just fine by it's self.

Thanks everyone! Definitely helpful.

I have a TRS 25 on one 15-22 and a TRS 32 on another. Both have held up well. The 25 has a 2MOA dot compared to the 32's 5MOA, so it should theoretically be more precise. In practice they are pretty close out to 100 yards.

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Or something like that . . .

I have the Burris 336 on two of my rifles and they work very well. At 3 power you can keep both eyes open for close in shots and I can still hit a pie plate at 400 yards with my AR. It also works if you run out of batteries.
I think it gives the best of both worlds, fast target acquisition and precision long range.

I use the Fieldsport ($21 Amazon) and it has been flawless after 2000+ rounds on my 15-22 and multiple times removed. Zeroing is always dead on. Have no problem hitting targets out to 100yds consistently. I had 2 Bushnell TRS 25's and neither was as bright as the Fieldsport. Comparing the 2 the Bushnell was as bright on 11 as the Fieldsport is on 6. Real test will be when I put one on my .22 mag. 15-22 in a .22 mag would be AWESOME..

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Recommend the TRS25 too. The gun is a cheap 22lr plinker, no need for anything fancy. And a magnifier? Same philosophy, I don't shoot farther than 100 yds and the lowest setting on the TRS gets rounds on paper.

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Space shuttle door gunner

Holosun red dots are hard to beat. Aimpoint battery life (3yrs+), Eotech reticle and Bushnell pricing, awesome bit of kit!

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D V C

I have a TRS on mine, which is the same one I used this in Afghanistan on my AK-47 and it was superb.
When I hunt with my 15-22 I use Sightmark 1-4x24 which is a good budget scope.
Since I removed the round cover between the barrel and the hand guard, fitted a CMC 2 stage trigger and also replaced the extractor with an aftermarket one, it's like having a different weapon. Accuracy has improved tremendously and I am really happy with it.

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I'll go into this assuming you aren't going to use it for any competition speed shooting. If so, disregard this.

First off, any red dot will basically get you by. I'd go no larger than 3MOA, and 2 or 1 preferrably. People dump on Sightmark, but I've found them to be pretty good. No bad experiences for me. The TRS you mentioned is also a good one on a budget. The micro dots of various flavors seem small and all, but on a rifle that doesn't matter. You will pick up the dot quickly on a rifle regardless, so that small stature doesn't hurt a thing. Whoever mentioned the Vortex Strikefire was pretty dead on also. It is a 4MOA, but I had one on a speed gun for a while til I bought a C-More and it was an extremely good sight. Though about selling it since I don't use it, but will likely just keep it as a swap out for a 1-4X scope on an AR in the case that I want to change things up ever.

Aimpoint and Eotech are wasted on a 15-22. Why by a red dot that cost more than the gun, especially when its a 22. If there is some purpose (competition), yes, but plinking and backyard shooting, you will get by without SEAL quality optics. Even on my AR's, the Sightmark Milspec is clear, 1MOA, holds zero, and cost like $175. I've got no need personally for the Eotech. Now if I made $150K a year and had money to burn, then why not, but I'm straight middle class and can use the extra cash on some other cool thing.

While Vortex makes some fine optics, the Bushnell TRS 25 is a quality optic as well. I have one on a Winchester 9422M and, what can I say that hasn’t been said, you won’t be disappointed.

I've been using the field sport red dot on mine since day 1. I bought it along with the TRS 25 to see which I liked better. To this day I've had 2 TRS 25's and the same field sport. Both the TRS's went back, 1 due to the disappearing red dot and the other the dot was only half as bright as it should've been. The field sport has been a trooper for $20. Excellent clarity and low light function. It's been on and off my 15-22 as many times as I've been to the range and it is always zero. I've been through about 2800-3000 rds this winter alone and zero problems. Temps usually well below freezing. If you can get your hands on the older "GOLD" letter version TRS 25 you should be, well, golden. They are both great optics and really wish I could've gotten the a good TRS. But it's hard to pass up being able to buy 3 of one for the price of the other.