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The XS SIGHTS Big Dot Shotgun Front Sight combines tritium illumination and photoluminescent Glow Dot technology to deliver superior visibility in all lighting conditions. Designed specifically for Mossberg plain barrel shotguns, this CNC-machined solid steel sight offers rugged durability and easy DIY installation. Perfect for professionals and enthusiasts seeking a reliable, defense-ready upgrade that ensures quick, precise aiming anytime.






| ASIN | B07RN29D6M |
| Best Sellers Rank | #67,099 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #669 in Hunting & Shooting Optics |
| Brand | XS Sight Systems |
| Brand Name | XS Sight Systems |
| Color | Tritium Orange Dot |
| Compatible Devices | Shotgun |
| Customer Reviews | 4.6 out of 5 stars 852 Reviews |
| Global Trade Identification Number | 00647533046329 |
| Included Components | Product |
| Item Dimensions L x W x H | 8.25"L x 5.25"W x 1.5"H |
| Item Type Name | Holster |
| Magnification Minimum | 1 x |
| Manufacturer | XS SIGHTS |
| Manufacturer Part Number | SG-2005-3N |
| Material | Alloy Steel |
| Material Type | Alloy Steel |
| Model Name | FBA-BD-Shotgun |
| Model Number | SG-2005-3N |
| Mounting Type | Picatinny Mount |
| Product Dimensions | 8.25"L x 5.25"W x 1.5"H |
| Product Style | Mossberg 500/590 |
| Reticle Type | Luminescent |
| Sport | Shooting |
| Sport Type | Shooting |
| Style | Mossberg 500/590 |
| UPC | 647533046329 |
| Unit Count | 1 Count |
| Warranty Description | 2 Year Manufacturer |
J**N
Perfect upgrade for Home Defense Shotgun, Easy installation and Great Results - Mossberg 500
I decided to do some upgrades to my trusty old Mossberg 500 and one thing that always has been a struggle was finding a solid sight system for it. First I had an ATI heat shield with integrated ghost ring sights but they were made from polymer and mounted too far forward, kind of cheesy honestly. Then I attempted to modify a set of Tru Glos to work on this shotgun but sighting was impossible. So, this time around I was strongly considering the XS sighting systems Ghost ring rail with banded front night sight, which I would have loved to have but the $150 price tag had me on the fence for a 20 year old shotgun. But then it dawned on me, what good is a ghost ring paired with a night sight ? In a dark environment where your night sight would be imperative the black steel ghost ring would not be visible and possibly obscure your view of the front sight. So my best option I this case seemed to be this product. The price is right, installation was pretty straight forward and only took about 20 minutes not counting epoxy dry time and the result is excellent. The white big dot surrounding the tritium vial is very bright and easy to pick up and even as far away as the end of the barrel is the night sight is clearly visible in a dark room. A word of advice when installing , dry fit the sight and tape off around the perimeter. Use that as a grid to abrade the barrel finish only in the area needed, wipe thoroughly with alcohol before applying the epoxy, and the tip from another reviewer of using a zip tie to secure overnight was perfect. You Will Need to Purchase Epoxy for Installation, I ordered JB Weld along with the sight for another $4, worked great. I cant say 100% because I have only just installed it but as it stands now the sight is a great buy.
B**L
Great sight. Installation couldn't be easier.
While it is a little pricey, this sight works and looks great and is super easy to install. I mixed a little JB Weld, roughed up the original bead sight and stuck this one down. I used q tips to clean up the excess and that was it! The sight is much easier to pick up than the original bead and has the added benefit of the tritium for low light situations. Wish I would have purchased it sooner.
J**S
Wonderful
Easy to install with some JB weld, looks great, glows bright, and looks factory once installed. I want to write a longer review but the honest truth is, this was the best investment I have put on my shotgun in a long time. I am not gonna lie and say its cheap (I am pretty stingy), but it is worth the cost. Honestly I love how bright the yellow is in low light, and with the tritium dot it is easy to find a reference point in the dark, and the glow-ring feature is nice. Really love this sight, and if you are on the fence, this is a great sight for home defense. If you are looking for one for Hunting or Sporting Clays though I would not recommend this sight (go look at the hi-viz fiberoptic sights if you need a brighter sight for those needs), but that's not why I bought it, and I doubt that's what brought you to this product in the first place.
A**E
Much improved from factory sight bead
Pros: It glows about the same intensity as pistol sights. Itโs bigger than most factory beads Has white and black inset for changing environments. Cons: Make sure you are willing to be patient to set correctly You will need a few other tools around to install. Irreversible once set You will need: JB Weld mix, Clamps or a vice, alcohol, a cotton cloth, q tips to clean up the bond mix once youโve set the sight, needle nose pliers for the inset metal bead Review: I have a Mossberg 930 that came with a cylinder-like bead sight from the gun merchant. It was very low to the barrel and I would always shoot too high on the target. I didnโt want to spend 250+ on a sight like a Holosun due to the maintenance of such scopes. Also, Iโm not a hired assassin, so I donโt need to spend too much on a gun. It has a job it will probably never be called upon to do. I just wanted something simple that gave me a similar feel to my sights on my pistol in the dark. The setup was easy but I made sure I checked sight alignment while using clamps to set the sight correctly. It fits solid and I see so much clearer with the sight. Low maintenance and the bead aligns in a โsecond natureโ position once I pull from the ready position. Hopefully I will never have to use this system for itโs designed purpose. But I feel much better with this sight than anything with batteries, or thatโs much smaller, or that might have electrical malfunctions.
W**?
Great product, just what I was looking for on my 590 retro.
Sub $60 seems to be a pretty good price for a tritium sight even though of course I wish it was less. In concept it's not difficult at all to install. But can be a little nerve-wracking when obsessing over getting it perfectly straight. I used JB weld and clamped it on for 12 or so hours, and then let it sit an additional 24 just to be safe. No issues with it moving under recoil or anything. Easy to pick up and seems to do the job exactly as described.
T**E
Great sight, follow instructions
If you follow the instructions and prep your surface (scuff and clean) you wonโt have any trouble with adding this sight to your barrel. I heated the area after I set and clamped the sight in place, wiped excess with alcohol and came back the next day to see the JB weld expanded a small amount from heat and showed a little around the perimeter more than I intended. No biggy, but I advise to not heat the area so adhesive doesnโt slowly expand as it sets up. The other note I want to add is that my M500 barrel had a brass bead with a slightly smaller thread pitch / diameter than the bead included in the kit, and my existing bead was a little too large to fit inside the cavity of the sight base. Therefore I removed my existing sight bead and lightly put it in my drill press chuck and used a file and sandpaper to evenly reduce its size until it fit properly within the sight base. This is a great way to get around having to drill and tap your barrel for the included smaller sight bead. So far so good!
A**R
A KISS solution to middle of the night scenario.
Item arrived without mounting instructions. However, company website and YT videos are all you'll need. Checked front bead size with a caliper before ordering. Mine hit upper limit 0.14 as described. Fit was very good. Easy install: alcohol prep, score/scuff underside of sight, JBW, alcohol and Q-tip cleanup. Large, yellow circle is a stand out in full light. Soft glow in low light, easy to acquire and point. This replaced a red dot. No more concerns about battery life.
M**.
Fantastic upgrade
Mossberg Shockwave: Fits great, looks great and easy install. A fantastic upgrade from factory bead sight to tactical home defense. The hardest obstacles were removing factory bead ( I used needle nose pliers and it was tough to back off but it gave with some force). Installing the replacement bead with large fingers is tough to thread because it's so small and it has fine threads, be patient you'll get it after a few tries. After mixing the JB weld bought separately and placing it on the XS sight I zip tied the sight onto the barrel. Making sure the sight was straight I cleaned away all epoxy that bled out with Q-tips, toothpicks and alcohol. I'm prior military police and former deputy sheriff and I highly recommend this upgrade. NOTE: Degrease the area and sight before the epoxy goes on.
T**H
Awesome front sight!
I ordered this for my Mossberg 500 Persuader 20", and I have to say I love it. I'm not as in love with the price, but you get what you pay for. Quality doesn't come cheap. I installed it using JB weld, the 24 hour set 2 part epoxy. Easy installation. pro tip: plan it out in advance, and take your time. The sight is large and in charge!! Easy to find quickly when shouldering the blunderbuss. Get one. I might get one for my other barrel. ๐ฅฐ
J**K
A must for defence shotguns
Extremely well made. Easy installation. There is a great youtube tutorial. Glows bright. Easy target acquisition. It raises the sight over a heat shield as well. I have one on two of my 590s. Its a must for any home defence or wildlife defence shotgun.
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