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Hiram Green Red Dot Sight 1x20mm Micro Rifle Scope 4 MOA Reflex Sight with Illuminated Reticle and 7 Brightness Levels, 20mm Picatinny Rail Riser Scope Mount, Waterproof Fogproof Tactical Accessory

4.3 4.3 out of 5 stars 1,187 ratings

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About this item

  • RED & GREEN DOT RETICLES: Toggle between red and green dot reticles with 7 different brightness settings to keep shooting from dawn until dusk. Simply press both controls simultaneously to change settings.
  • ELIMINATE CENTERING: With the parallax-free red dot design, the reflex sight scope follows the movement of the user’s eye while remaining fixed on the target, eliminating any need for centering.
  • PRECISE TARGET ACQUISITION: Hold zero with 1 x 20mm 4 MOA fingertip windage and elevation controls that allow for quick adjustment in the field or at the shooting range.
  • REMOVABLE .83” RAIL RISER: Picatinny mount fits 20mm rails and installs with or without the .83” scope riser to customize your setup with easy installation and removal (mounting tools included).
  • WATER/FOGPROOF DURABILITY: Fully waterproof and fogproof with sealed housing. Aircraft grade aluminum alloy construction resists damage from rough handling and makes this optic easy to clean (includes cleaning cloth).

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Product Description

12
21121a

Specifications

  • Objective Lens: 1 x 20mm
  • Weight: 154g/5.4oz
  • Length: 2.7in/68mm
  • Height: 2.3in/59mm
  • Adj. Range: +/- 1yds at 100yds
  • Click Value: 13mm at 100 meters / 1/2" at 100yds
  • Eye Relief: Unlimited
  • Rail: 20mm/ 0.78 inch

What's in the box?

  • 1x Red dot scope with high riser
  • 1x CR2032 battery
  • 1x Hex wrenches
  • 1x Cleaning cloth
  • 1x Low profile mount
  • 1x Instruction

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Adjustable elevation and windage for improved shooting accuracy

Fits for 20mm Picatinny rail

7 brightness levels button control, press two buttons at the same time to turn off the dot sight

The height-bracket leaky design not only facilitates users' shooting habits, but also can be used with other iron sight

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Product information

Technical Details

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Hiram

Hiram Green Red Dot Sight 1x20mm Micro Rifle Scope 4 MOA Reflex Sight with Illuminated Reticle and 7 Brightness Levels, 20mm Picatinny Rail Riser Scope Mount, Waterproof Fogproof Tactical Accessory


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Customer reviews

4.3 out of 5 stars
4.3 out of 5
1,187 global ratings

Customers say

Customers like the quality, value, brightness, ease of use, and performance of the aiming scope sight. For example, they mention it's well built, dependable, and works well. Some appreciate the 3 brightness levels and the fact that it saves the last setting. That said, most are happy with their purchase and recommend it to others.

AI-generated from the text of customer reviews

61 customers mention51 positive10 negative

Customers like the quality of the aiming scope sight. They mention it's well built, dependable, and holds zero well. The housing and mounts are of good quality, and it holds a zero with only slight deviation when going from 5.56 to.22LR.

"You will be SHOCKED at how rugged, accurate and dependable this site is... Don't hesitate to buy, proceed with confidence, it is worth 3 X the price." Read more

"...Other than that, it seems to be built well and operation of buttons are positive and solid. Dot clarity seems excellent on red, if not overly bright...." Read more

"...of a UTG dovetail-to-pic/weaver snap in adapter, and it's nice and secure. Nice positive clicks on windage/elevation adjustments...." Read more

"Great sight. Holds 0 well easy to acquire and bright. Beyond Seclusion YouTube review sent me to this!" Read more

55 customers mention51 positive4 negative

Customers appreciate the value of the aiming scope sight. They say it's strong and bright, and a minimal sight at a minimum price.

"...is... Don't hesitate to buy, proceed with confidence, it is worth 3 X the price." Read more

"...the price - if this sight holds up to recoil as expected, it is a great value and meets the purposes for which it is intended...." Read more

"...It is a value priced scope that works so far." Read more

"This is a minimal sight at a minimal price...." Read more

42 customers mention33 positive9 negative

Customers like the brightness of the aiming scope sight. They mention that the dot is ok bright for mid-day shoots, and the brightest settings were OK in sunlight. They also appreciate the 3 brightness levels and the fact that the brightness saves the last setting independently of each color. The sight holds zero and has a bright dot. Customers also like that it has both red and green dots.

"...Held zero perfectly. Brightest settings were OK in sunlight, especially green. Still consider it 5 stars for the money...." Read more

"Great sight. Holds 0 well easy to acquire and bright. Beyond Seclusion YouTube review sent me to this!" Read more

"...Works great at shorter distances and works just as well at 100 yds. It is a value priced scope that works so far." Read more

"You get what you pay for, unit works fine for air soft, but the dot is not a very sharp image, no matter the brightness level...." Read more

33 customers mention33 positive0 negative

Customers find the aiming scope sight easy to use. They mention it's a great product at a reasonable price. Some say that the red dot on their AR-15 looks good. Overall, most are satisfied with the ease of use and value of the product.

"...with the help of a UTG dovetail-to-pic/weaver snap in adapter, and it's nice and secure. Nice positive clicks on windage/elevation adjustments...." Read more

"Great sight. Holds 0 well easy to acquire and bright. Beyond Seclusion YouTube review sent me to this!" Read more

"I bought one to use on a .22 ar pistol for plinking. It sighted in super easy, holds zero, has clear lenses...." Read more

"This is a minimal sight at a minimal price. It sights in well, seems to hold zero, but that is had to tell, as the screws that hold the sight to..." Read more

26 customers mention20 positive6 negative

Customers like the performance of the aiming scope sight. They say it works well with no issues and is good value for money. Some customers also mention that the units were not defective and held zero well.

"...The units were not defective, and both held zero well...." Read more

"Appears to be a clone of my Romeo 5 (also made in China). Turned on, no issues, brightness works, no issues, color change works, no issues, glass..." Read more

"...Seems to work well, now that I have a means to adjust it's back to the range to do so...." Read more

"Switching to green reticle just doesn't even work anymore, the brightness is so low on red reticle its barely visible outdoors...." Read more

11 customers mention11 positive0 negative

Customers find the aiming scope sight easy to install and operate. They mention that the controls are easy to handle and the sight is easy to zero. Customers also appreciate the mounting hardware and tools provided with the sight.

"Love the eas of use, very easy to switch from green to red ." Read more

"...A few minor issues: instructions are poorly written, but easy to figure unit out...." Read more

"Easy to install and easy to zero...." Read more

"...It has a good range of brightness, the controls are easy to handle, and it was easy to zero...." Read more

21 customers mention10 positive11 negative

Customers are mixed about the clarity of the aiming scope sight. Some mention that the glass is clear, and the dot is plenty bright. However, other customers say that the sight is very poor, very dim, and that the do not picture is really bad.

"...It sighted in super easy, holds zero, has clear lenses. This unit seems identicle to some of the other budget branded optics being sold...." Read more

"...The sight is labeled PINTY on the left side. There are no arrows or letters designating which direction to rotate turrets for right/left, up/down...." Read more

"...issues, brightness works, no issues, color change works, no issues, glass clear, housing and mounts of good quality...." Read more

"...what you pay for, unit works fine for air soft, but the dot is not a very sharp image, no matter the brightness level...." Read more

14 customers mention3 positive11 negative

Customers are dissatisfied with the dot visibility of the aiming scope sight. They mention that the do not very visible in high light settings, and that the red dot may be stared. Some customers also mention that it has a heart shaped dot and a slight haze or halo.

"...on the left side(seen in picture) and the "dot" is more of a pixilated square shape, which may be due entirely because the glass is cracked...." Read more

"...shape of the dot, which should be perfectly round but this sight has a heart shaped dot and a slight haze or halo effect...." Read more

"feel good looks ok but the dot on mine is horrible, in fact its not even a dot more like a paint ball splatter , still deciding if i can live with..." Read more

"...Positive button response for adjusting the dot brightness. Dot is crisp and clearly round...." Read more

This is an Initial Review
3 Stars
This is an Initial Review
UPDATE: I decided to return both red dots. I'm sure the company may reach out, but I do not wish to keep using them. The units were not defective, and both held zero well. However, I used my own brand new Duracell 2032 batteries, and not the included batteries as some have said they are DOA. Even on the 7th click, brightest setting, outside they can be seen against a target or even the sky, but they're not quite bright enough for my purposes. I don't like running them at their max setting just to see the dot. Otherwise, they're good, if you don't play on using them in hardcore bright settings. My two cents. Otherwise, everything I've covered was fine with my two.This red dot review will cover only the initial stuff, and some questions I myself had, that seem to need clarifying or the manufacturer has made some positive updates. I WILL be updating the review once I have gotten some range time on it, and let people know if any issues arise. I did pay for this unit today, and it showed up within 2 hours, so good on Amazon for that speedy delivery. I opted for this unit as I just need a red dot, fast, and I know and like these economical red dots. I'm not deploying next week, and if you're into expensive gear, you're not reading this.So, I run good, economical red dots on my ARs. I have several, from the TWOD that looks a lot like this one, to a Fieldsport RED DOT ONLY or two, to the CVLife stuff, and they all seem to have mostly positive attributes.The main questions I had as I was reading these reviews earlier today, was saved last brightness setting, and auto off after 1 hour. I was sad when some were saying it did not, even though the TWOD, which looks nearly identical, does have those features.My Hiram unit I got today, does have last brightness setting remembered, but for both colors. Leave it at setting 4 RED and then turn it on next time for GREEN, and it'll be 4 GREEN, etc. Also, it does shut off after 1 hour of inactivity, as I've tested that feature over 3 one hour test periods. I did give the unit several sharp taps with my palm, to see if mine was 'loose' as some negative reviews have said. No issues.I will also, per some negative reviews, do my due diligence... And remove the mount screws with a properly sized (Yes, properly sized because the hardware with less expensive units can be softer steel, and too large or small a screw driver will screw you, pun intended) philips head screw driver and apply a touch of loctite to any screws that could work themselves loose. Yes, it should be handled my the manufacturer, but price vs features is the name of this game. A little extra work on your part, will make these economical red dots run well. Of every lower cost red dot I've run, I don't have zero shifting issues, and stuff doesn't work itself free over many rounds. Don't throw it at a tile or concrete floor, either. Main mount that it came on, and is on in my picture, tightened right up on my Aero upper, and any mil-spec upper won't have issue. Some aftermarket rails, however, can present issues. American made rails, not as much, but even some of my range guns have imported rails. Gently, crank the mounting screw down, but don't go nuts and strip the screw right out. You should get it to mount tight on any picatinny rail that isn't terribly small out of spec, by just tightening half past snug. Fire a few rounds, check it, and check periodically and you'll be fine.Lens coating is silver like the pictures, and doesn't darken the view much at all, but it does a tiny bit. My dots both red and green seem clear enough, and I have confirmed through several red dots, including an Aimpoint PRO, that I have an minor astigmatism that even presents itself in something like that Aimpoint PRO. Dot isn't splotchy beyond use, and that's typically not the unit itself, but our eyes.Mine came as in my picture, with the high riser, and the lower mount, and then the 3rd surprise light weight mount. Don't know if that was a fluke, but I'll TAKE IT. It also came with a battery, lens cloth and tiny wrench not pictured. I threw a Duracell 2032 I know is brand new in, to confirm function. Another smaller question I had with ambiguity in some reviews, I was happy to see it says and takes 2032s and not some obscure 2016 type battery.As I've said, I've run a lot of bargain red dots. You make sure a couple small things are good, and add a bit of loctite if needed, know how to really zero a specific weapon system and you'll be alright. If it's a duty gun or some such, then yeah, get an Aimpoint. I don't always review each red dot I get, but since I had some questions, hopefully this will help clarify what you'll be getting as of this writing time frame.
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3.0 out of 5 stars This is an Initial Review
Reviewed in the United States on November 24, 2020
UPDATE: I decided to return both red dots. I'm sure the company may reach out, but I do not wish to keep using them. The units were not defective, and both held zero well. However, I used my own brand new Duracell 2032 batteries, and not the included batteries as some have said they are DOA. Even on the 7th click, brightest setting, outside they can be seen against a target or even the sky, but they're not quite bright enough for my purposes. I don't like running them at their max setting just to see the dot. Otherwise, they're good, if you don't play on using them in hardcore bright settings. My two cents. Otherwise, everything I've covered was fine with my two.

This red dot review will cover only the initial stuff, and some questions I myself had, that seem to need clarifying or the manufacturer has made some positive updates. I WILL be updating the review once I have gotten some range time on it, and let people know if any issues arise. I did pay for this unit today, and it showed up within 2 hours, so good on Amazon for that speedy delivery. I opted for this unit as I just need a red dot, fast, and I know and like these economical red dots. I'm not deploying next week, and if you're into expensive gear, you're not reading this.

So, I run good, economical red dots on my ARs. I have several, from the TWOD that looks a lot like this one, to a Fieldsport RED DOT ONLY or two, to the CVLife stuff, and they all seem to have mostly positive attributes.

The main questions I had as I was reading these reviews earlier today, was saved last brightness setting, and auto off after 1 hour. I was sad when some were saying it did not, even though the TWOD, which looks nearly identical, does have those features.

My Hiram unit I got today, does have last brightness setting remembered, but for both colors. Leave it at setting 4 RED and then turn it on next time for GREEN, and it'll be 4 GREEN, etc. Also, it does shut off after 1 hour of inactivity, as I've tested that feature over 3 one hour test periods. I did give the unit several sharp taps with my palm, to see if mine was 'loose' as some negative reviews have said. No issues.

I will also, per some negative reviews, do my due diligence... And remove the mount screws with a properly sized (Yes, properly sized because the hardware with less expensive units can be softer steel, and too large or small a screw driver will screw you, pun intended) philips head screw driver and apply a touch of loctite to any screws that could work themselves loose. Yes, it should be handled my the manufacturer, but price vs features is the name of this game. A little extra work on your part, will make these economical red dots run well. Of every lower cost red dot I've run, I don't have zero shifting issues, and stuff doesn't work itself free over many rounds. Don't throw it at a tile or concrete floor, either. Main mount that it came on, and is on in my picture, tightened right up on my Aero upper, and any mil-spec upper won't have issue. Some aftermarket rails, however, can present issues. American made rails, not as much, but even some of my range guns have imported rails. Gently, crank the mounting screw down, but don't go nuts and strip the screw right out. You should get it to mount tight on any picatinny rail that isn't terribly small out of spec, by just tightening half past snug. Fire a few rounds, check it, and check periodically and you'll be fine.

Lens coating is silver like the pictures, and doesn't darken the view much at all, but it does a tiny bit. My dots both red and green seem clear enough, and I have confirmed through several red dots, including an Aimpoint PRO, that I have an minor astigmatism that even presents itself in something like that Aimpoint PRO. Dot isn't splotchy beyond use, and that's typically not the unit itself, but our eyes.

Mine came as in my picture, with the high riser, and the lower mount, and then the 3rd surprise light weight mount. Don't know if that was a fluke, but I'll TAKE IT. It also came with a battery, lens cloth and tiny wrench not pictured. I threw a Duracell 2032 I know is brand new in, to confirm function. Another smaller question I had with ambiguity in some reviews, I was happy to see it says and takes 2032s and not some obscure 2016 type battery.

As I've said, I've run a lot of bargain red dots. You make sure a couple small things are good, and add a bit of loctite if needed, know how to really zero a specific weapon system and you'll be alright. If it's a duty gun or some such, then yeah, get an Aimpoint. I don't always review each red dot I get, but since I had some questions, hopefully this will help clarify what you'll be getting as of this writing time frame.
Images in this review
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Customer imageCustomer image
16 people found this helpful
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Reviewed in the United States on March 7, 2024
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Natasha Cullen
5.0 out of 5 stars Found out I have Astigmatism.
Reviewed in Canada on February 27, 2024
Amazon Customer
4.0 out of 5 stars quick shipping
Reviewed in Canada on August 15, 2023
Amazon Customer
1.0 out of 5 stars impossible à ajuster
Reviewed in Canada on August 11, 2023
Christopher
1.0 out of 5 stars No illumination
Reviewed in Canada on June 27, 2023
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Christopher
1.0 out of 5 stars No illumination
Reviewed in Canada on June 27, 2023
Bought to take camping, went to try it out first, didn't work. Spend a little extra to avoid returning
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2 people found this helpful
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