Customer Reviews

38
4.1 out of 5 stars
Burris 300236 Fastfire III with Picatinny Mount 8 MOA Sight (Black)
Price:$215.50 + Free shipping with Amazon Prime
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28 of 28 people found the following review helpful
on March 30, 2013
Verified Purchase
In general: This is a good value red dot sight. I chose the 8 MOA for my Keltec KSG 12ga shotgun. I figured the practical range would be no more than 100 yards but more likely 25 yards. At 25 yards, the dot covers approximately 2 inches on the target, which I feel is very appropriate for a shotgun. As other reviewers have noted, you will probably want a riser if you are putting this on a weapon with a flat top receiver: I chose the "UTG Medium Profile Riser Mount with 3 slots" on Amazon for about $8.50 and have been happy.

Comparative shopping: I wanted the "heads up display" type of red dot (aka Trijicon RMR) over the "scope" type (e.g. Bushnell TRS-25). This Burris system is very similar in look and feel to the Trijicon RMR, but for less than half the price of the Trijicon. The biggest functional advantage the RMR has over the Fastfire III is the RMR has a motion detection system: the site will automatically turn on when it detects motion, and shutoff later. I see that as a clear advantage when something goes bump in the night and you reach for a gun with the RMR - the sight system is ready to go. With the Burris, you have to remember to turn on the sight when you grab your gun - which you may not do in a high stress situation. I find that an acceptable tradeoff, with the understanding that it shall be incumbent upon me to train switching on the site system when I reach for the shotgun. Training, training, training.

My first impression: the sight system is tiny: the lense is smaller than a quarter. It seems too small. However, once you have it mounted and you shoot with it, you will realize it is the right size afterall. I took care with the battery cap, and I did not have a problem unscrewing or rescrewing it as some other reviewers have observed. The description says "tool-less windage and elevation adjustments" which I don't agree with. The kit comes with a tiny screw driver, and you will need that or some other screw driver to twist the dials to make adjustments.

Second impression: I was able to quickly sight in the system at 25 yards by shooting a few slugs and making windage and elevation adjustments, then repeating the process. After about 5 tweaks, I was hitting bullseye or close each round and I was a happy camper. I found the autobrightness setting worked fine indoors. It always seems dimmer than you would expect, but it works and you forget about it. The manual (hi-med-low) settings can also be used but tend to be either too high or too low; I will probably stick to the auto setting for all future use. After about 40 rounds of mixed slug and buck, and I was very happy. Then I checked the UTG Riser and was shocked to find it was very loose - I tightened it with several turns on the set screw. Likewise, I then checked the Burris Fastfire III and found it was loose. After tightening it firmly with its set screw, I resumed firing the KSG and was frustrated to find that I was not even hitting the target at 25 yards. Suffice it to say, I will consider using Locktite or something similar after zeroing it in again.

Note: I have a pair of Magpul MBUS (Magpul Backup Sites) installed in tandem, just in case of the Burris's battery or system failure. They did not loosen from 40 shotgun blasts, and were still on zero.

A final observation. At full brightness, the user can see that the red dot is not in fact a single red dot. It is more like 6 or 8 tiny red dots arranged in a star type of pattern. I noted right away the star in my system is not even, that is to say, not symmetric. It seems a little deformed, or smaller on one side. I was worried when I first noticed that after powering the system on. I worried that it was a sign of poor quality control at Burris and perhaps there would be usage problems. In fact I found that isn't the case. In both outdoor and indoor range usage, I found when staring through the sight at a distant target, the red dots become a red dot, and the human eye is no longer distracted by the sight system itself a few inches away.

I like this sight system enough that I will probably buy another 8 MOA for a handgun if I ever buy a handgun with a rail system on the top. I recommend a 3 MOA for anybody with a rifle.
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12 of 12 people found the following review helpful
on November 18, 2012
Verified Purchase
I love this red dot. Why do I love it? Because it does exactly what it says it will do and it is extremely easy to use. I was able to zero this sight in under a minute and it held its zero after firing the entire day and being knocked around. I have it mounted on my Colt M4 MT6400. The auto adjust option does very good and I find it very easy to sight in very quickly and accurately every single shot while standing, kneeling, and prone. I was in the Marines and have used eotechs and "acogs" and I prefer this over the much more expensive eotech and like it just as much as I did my acog... except the acog costs well over $1,000. BUT be sure to get a sight riser if you plan on mounting this in place of your original iron sights if you have a permanent front sight post (I got a 1 inch riser for mine).
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5 of 5 people found the following review helpful
on March 24, 2013
Verified Purchase
The Fast fire III is a great sight and holds up to 3 1/2" Turkey loads. I think the 8 MOA dot will be perfect for Turkeys
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3 of 3 people found the following review helpful
on February 3, 2015
Verified Purchase
I purchased this sight to mount on my Smith & Wesson M&P 9mm Full Size pistol. I do not have the C.O.R.E model so I had to purchase a mounting mechanism separately. I decided to use Sight-Mount to replace my rear sight. Sight-Mount gives you a short picatinny rail section and installs in the rear sight dove tail. It does have the rear iron sight, so if I remove the red-dot, I still have good iron sights to use. Other mounting mechanisms replace the rear sight and you no longer have iron sights to fall back on. Be advised that Sight-Mount recommends drilling and tapping your slide for a third mounting screw for a solid mount (you'll need a gunsmith for that). The Burris FastFire III with the included Picatinny mount fits on the Sight-Mount rail perfectly. Everything is very tight and secure with this mechanism, and with the gun's recoil and moving slide, it has to be.

I took this to the range and had no problems zeroing the sight at 10 meters. The adjustments are very easy to make (1 MOA per click) and it holds zero very well. This model has an 8 MOA dot which is quite large (8 inches at 100 yards) and meant for close distances. I have tried this sight out to 25 yards (max at my indoor range) and the sight is very accurate between 5 and 25 yards (you do have to compensate your point of aim at different distances depending on the distance you zeroed the sight). For handguns, 8 MOA is a really good size because you are typically shooting at relatively close distances.

There is a combination on/off and brightness square rubber push button switch on the left side of the sight. The sequence is ON - AUTO Bright - High Bright - Medium Bright - Low Bright - OFF. It does have an auto off feature, and if the sight turns itself off, the next time you push the button it will activate whatever the last mode you were using. The Auto setting is very good and the light sensor at the front of the sight will adjust the dot intensity pretty well. I have tried looking at the dot from a dark room and into a brightly lit room and the dot is dim but still very good. The opposite, from a brightly lit room into a dark room, the dot is quite bright, but again very good and usable. Even on the brightest setting, the dot is a whole lot less distorted than I've seen on other, even more expensive sights.

This sight has the battery access from the top of the sight, unlike the previous version of this sight where you had to dismount the sight and disturb your zero to replace the battery. The cap is finely threaded aluminum that is easy to cross-thread if you're not careful. The battery that came with the sight was dead, so I used a replacement battery (CR1632 3 Volt) and had no trouble installing it. The sight is small so finding the dot for the first time took me a bit, but once you get used to the sight, finding the dot is no issue. The sight is made with an aluminum chassis and appears to be very durable, but I'm not abusing the sight intentionally to test how durable it is.

The sight is really great. With my old eyes not able to focus in on the front sight post of my pistol, this red dot sight allows me to be a lot more accurate than with the iron sights. This allows you to easily shoot with both eyes open and focused on the target. With iron sights, its easy to get tunnel vision. Besides, if you are being attacked, you are focused on your attacker and probably not on your front sight. The red dot sight gives you a real advantage in this regard.

The only complaint I have, is that the sight does not come with a protective cover. It does come with a big sun shade, but I would like a small cover so I can protect the sight when I'm cleaning my gun. You can easily get cleaner on the lens of the sight and it's a pain to get completely clean again. You really don't want to dismount the sight once it's zeroed so this is one drawback. I now use some plastic wrap to cover the sight while I'm cleaning it.

Overall, I'm impressed with the quality of this sight. I have fired a few hundred rounds with this sight and it has held zero perfectly. The mounting is solid and handles the recoil and movement of the slide very well. The 8 MOA dot is easy to pick up, and the sight provides me a more accurate sight picture than with the iron sights. I'm happy with this purchase and can recommend this sight to anyone.
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6 of 7 people found the following review helpful
on July 4, 2012
Verified Purchase
Upon initial installation it sat a little low. I am a big guy, 6'4". I ordered a Yankee ½ riser and now I can use both the iron sights and the FastFire III Burris FastFire III w/Pic Mt Gun Scope 300236 is in perfect position for a quick acquisition of target, no having to "find" the dot, the riser puts it in the perfect position and this unit, I think, is smaller and more sturdy than the II. It is a "gotta have" since it performs as good as units costing 2 - 3 times as much. It was also recieved in a timely manor, thanks Optics Planet.
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6 of 7 people found the following review helpful
on September 18, 2013
Verified Purchase
As most critics of this product will state, it is a fine product. So far it has held up to the recoil of my .357 magnum, hold center just fine.
The only drawback is you need to cycle through the 4 brightness positions in order to turn the sight off. Too bad they did not design with a separate on/off switch.
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3 of 3 people found the following review helpful
on August 21, 2014
Verified Purchase
This red dot fit my weaver mount and was right on with no adjustments needed after mounting, a good value considering the mount was included with the red dot, works great.
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3 of 3 people found the following review helpful
on June 13, 2014
Verified Purchase
I own an EOtech and several others, I might replace them all with this sight, works great, Half the weight, half the size waterproof and half the price. Do Buy!
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2 of 2 people found the following review helpful
on August 18, 2014
Verified Purchase
I purchased this mini-red dot for use on a S&W M&P40L Pro C.O.R.E. Although it isn’t on S&W’s compatibility matrix, and it doesn’t co-witness with the suppressor height sites, it does fit and works just fine. I used it this past weekend and was able to zero it within about 25 rounds fired. Which, was probably high because of me rather than the firearm or optic. With other reflex sights that will fit the C.O.R.E. being $175 or more than this model, this is a great value. Also, even though the item description and the documents in the packaging indicate a 1-year warranty, www.burrisoptics.com indicates that all the products now have a lifetime warranty! In short, if you are looking for an optic to put on the C.O.R.E., and you don’t have rolls of cash around, this is your answer.
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2 of 2 people found the following review helpful
on August 10, 2014
Verified Purchase
fitted the Fastfire 3 to my Ruger 22, dialing it in was fairly easy. Problem I've had from day one is the dot intermittently disappears. To resolve I have to turn the site back on and cycle through brightness settings to get back to the level I was using. Not a problem when just practising but a nightmare when competing as I never know when its going to fail on me. Have written to Burris, will update this review after I receive their technical support. Here's hoping I haven't blown my money.
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