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Monstrum 2-7x32 AO Rifle Scope with Illuminated Range Finder Reticle and Parallax Adjustment

4.4 4.4 out of 5 stars 922 ratings
$70.44
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Black
Brand Monstrum
Color Black
Style tactical
Sport Hunting
Item Weight 12 Ounces
Material Aluminum
Magnification Maximum 7 x
Objective Lens Diameter 45 Millimeters
Magnification Minimum 2 x
Compatible Devices Rifle

About this item

  • Adjustable 2-7 times magnification, for targeting out to 400 yards and beyond
  • Adjustable reticle illumination with 5 brightness levels in both red and green, allowing for better reticle visibility in low light environments
  • An adjustable objective lens or AO - that allows for sharper focus of the target image, elimination of parallax, and range estimation
  • A range finder reticle with markings that allows you to estimate range or compensate for bullet drop
  • Aircraft grade 6061 aluminum scope body with a sealed, nitrogen-charged tube for resistance to water and fog
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    About Us:

    Monstrum is the leading manufacturer of affordable, high quality rifle optics and accessories. We have over 15 years of experience in engineering and manufacturing scopes.

    Our optics are designed to provide superior performance in any environment. Whether you’re hunting in the woods or shooting at the range, we have the perfect scope for you.

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Product Description

Monstrum 2-7x32 AO SFP Rifle Scope
Monstrum 2-7x32 AO SFP Rifle Scope

Monstrum Logo
About Us

As the pioneer of DTC precision rifle optics, we continue to challenge the limits of quality and affordability.

  • 15+ Years of Optic Experience
  • Dedicated Service Department
  • Based in California

Monstrum 2-7x32 Second Focal Plane (SFP) Adjustable Objective Rifle Scope

with Illuminated Range Finder Reticle and Parallax Adjustment

The Monstrum Tactical S2732-R-RGAO is a reliable tactical scope great for close to mid-range shooting. Crystal clear optics with 2-7x magnification. This scope has a functionally designed range finder reticle for easy movement calculations. All Monstrum scopes tubes are nitrogen filled for resistance to water and fog.

  • Capped reset turrets are finger adjustable with 1/4 MOA/click windage/elevation adjustments with the ability to lock the turrets and reset the zero.
  • The adjustable objective (AO) lens can be moved by the parallax dial on the side scope. This adjustment allows for a sharper target image, elimination of parallax, and range estimation.
  • Multi-layer lens coating, protects your scope lens from scratches, and fog, while improving the clarity of your vision.
What is Parallax and AO
How to use Parallax Adjustment
1

1
Dimensions:
  • Weight: 12 oz
  • Length: 9.5 in
  • Width: 2
  • Height: 3
  • Tube Size: 1 in
  • Obj. Diameter: 32 mm
  • Materials: 6061 Aircraft Grade Aluminum

Illuminated Range Finder Reticle

This scope has a functionally designed Rangefinder reticle for faster range estimation and holdover correction. The etched black reticle is always visible without illumination or can be lit red or green for better reticle visibility.

  • Scope Details:
  • Includes: 2-7x32 AO Scope, Detachable Throw Lever, Standard Scope Rings, CR1632A Battery, Lens Cloth, Lens Cover
  • Compatibility: Rifles with Picatinny Rails
  • Eye Relief: 3.5-3.8 in
  • Reticle: Illuminated Range Finder
  • Scope Range: Close to Mid Range, 300+ Yards.
  • Magnification: 2-7x
2-7x30 ao accessories
1 1 1 1
3-9x32 AO Rifle Scope 2-7x32 AO Rifle Scope 3-12x42 AO Rifle Scope 3-9x40 AO Rifle Scope
See Details
Customer Reviews
4.4 out of 5 stars
749
4.4 out of 5 stars
922
4.2 out of 5 stars
244
4.5 out of 5 stars
1,203
Price $79.99 $70.44 $89.95 —
Magnification 3-9x 2-7x 3-12x 3-9x
Reticle: Illuminated Rangefinder Illuminated Rangefinder Illuminated Mil-Dot Crosshair Reticle
Scope Range: Close to Mid Range, 400+ Yards Close to Mid Range, 300+ Yards Close to Mid Range, 500+ Yards Close to Mid Range, 500+ Yards
Eye Relief: 3.5-3.8 in 3.5-3.8 in 3-3.5 in 3.5-3.8 in
Scope Rings Included: Standard Medium Profile Standard Medium Profile Offset High Profile Offset High Profile Single Piece Mount
Tube Diameter: 1 in 1 in 30 mm 1 in
Illuminated Reticle: ✓ ✓ ✓ N/A
Shock, Water, and Fog Proof: ✓ ✓ ✓ ✓

Product information

Technical Details

Additional Information

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Monstrum 2-7x32 AO Rifle Scope with Illuminated Range Finder Reticle and Parallax Adjustment

Monstrum 2-7x32 AO Rifle Scope with Illuminated Range Finder Reticle and Parallax Adjustment

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Product guides and documents

User Guide (PDF)

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Customer reviews

4.4 out of 5 stars
4.4 out of 5
922 global ratings

Customers say

Customers like the value, performance, clarity, and appearance of the aiming scope sight. For example, they mention it works well, the glass is clear and bright, and the appearance is very nice. That said, opinions are mixed on fit.

AI-generated from the text of customer reviews

82 customers mention62 positive20 negative

Customers like the quality of the aiming scope sight. For example, they say it's well-made, sturdy, and has clear glass. Some mention that the scope holds zero well and has great eye relief. Overall, most are satisfied with the quality and value of the product.

"...So far, the scope has held zero perfectly over the course of shooting a 500 round bulk pack...." Read more

"...If this scope lasts more than 2 years and turns out to be pretty sturdy, I'd give it 5 stars...." Read more

"...Cons:The scope mounts it came with are sturdy thus far but do feel a bit cheap but will do the job until its type to upgrade...." Read more

"...The included rings may fit the scope, but are of cheap quality and standard Burris rings with the wonderful plastic bushing inserts will not fit..." Read more

69 customers mention65 positive4 negative

Customers appreciate the value of the aiming scope sight. They say it's a great scope with clear glass and a lot of features for the price.

"...$80 is a decent price, tho, if it dropped closer to $50-60 I'd be happier and probably buy 2 more...." Read more

"...Dint let the cheap price fool you, It's a good scope for the money." Read more

"...Pros :Great for the priceFunctionality is phenomenal and easy to useComes with lens protectors..." Read more

"This scope is great for the price and what I use it for. I wouldn't trust my life on it, I've got more expensive optics for that...." Read more

44 customers mention37 positive7 negative

Customers like the clarity of the aiming scope sight. They say the glass is pretty clear, crystal clear, and bright. Some mention that the scope is better than expected at this price point and has above average optics and reticle.

"...objective, is that it is light weight, compact, and the glass is clear and bright...." Read more

"...The turrets are all responsive, glass is decently clear if you use the focus correctly, and the Illuminated reticle acts like a red dot...." Read more

"Clear glass, accurate turrets. Perfect size for my 22lr AR-15." Read more

"...The scope seems like a well made sturdy scope with nice clear glass in it, however, my main issue with it is that it was advertised with a 1/4 moa..." Read more

31 customers mention31 positive0 negative

Customers are satisfied with the appearance of the aiming scope sight. They mention that it looks good, has a great sight picture, and the red and green reticle are crisp. The glass is clear and the clarity is great for the price. Some say that the scope is beautiful right out of the box.

"...Very highly recommended. And, it really looks good in FDE!!!! And, it's heavy!" Read more

"Love this scope. Great sight picture and the quick adjustment is a nice feature." Read more

"pretty good, but more like 2-5x. Its blurry at any power greater than 5x. But its pretty nice optic for for the price." Read more

"...This scope right out of the box is beautiful...." Read more

25 customers mention19 positive6 negative

Customers like the lighting of the aiming scope sight. For example, they mention it's bright enough in the shade, the reticle is great for low light, and the red or green illumination for the reticle is clear and easy to use. Some say the scope has a great light intake and the etched retile works well with the illumination. Overall, most are satisfied with the lighting and recommend it for outdoor range use.

"...While it features an illuminated reticle, I generally do not use them so I won't comment on that...." Read more

"...The glass is very clear, the illumination is very crisp, it feels well built (but a little on the heavy side), every adjustment on the scope is very..." Read more

"...Owe an they also give you tinted see threw dust covers...." Read more

"...illumination as I have only shot it in day time, but it is bright enough in the shade...." Read more

19 customers mention19 positive0 negative

Customers find the aiming scope sight easy to use. They say it's easy to mount, quick to zero, and has easy access to all of the parts. Customers also say it works well and is right on point.

"...throw lever for the magnification ring is a welcome feature making it quick and easy to get the desired power...." Read more

"Clear glass, accurate turrets. Perfect size for my 22lr AR-15." Read more

"Scope came with everything needed to install. I installed on a 300 Blackout and zeroed at 100YDS...." Read more

"...Pros :Great for the priceFunctionality is phenomenal and easy to useComes with lens protectors..." Read more

19 customers mention19 positive0 negative

Customers are satisfied with the performance of the aiming scope sight. They mention that it works well, is durable, and effective. Some say that the turrets are responsive and the glass is decently clear. Overall, most are happy with the product's performance and recommend it to others.

"...be as refined as a $1000 Vortex or Leupold, but is does the job well without hurting your wallet." Read more

"...The turrets are all responsive, glass is decently clear if you use the focus correctly, and the Illuminated reticle acts like a red dot...." Read more

"...Pros :Great for the priceFunctionality is phenomenal and easy to useComes with lens protectors..." Read more

"...it to the range and sighted it in, was very easy, nice clear glass, worked great, still not sure if it's 1/2 or 1/4 MOA at 100yds...." Read more

26 customers mention17 positive9 negative

Customers are mixed about the fit of the aiming scope sight. Some mention that the fit, finish, and functionality are right up there with other high-quality sights. They say that it's very compact and fairly light, while others say that the eye relief isn't the best and the lens are not super clear. Some say that there is a fish-eye effect and that the mount doesn't fit properly.

"...this scope, aside from the adjustable objective, is that it is light weight, compact, and the glass is clear and bright...." Read more

"...it's a little hard to get a good eye relief...." Read more

"...So, I've got this scope for 1/3 the price of the rifle. Fits well with my 'formula'. The scope is HEAVY (inexpensive scope, REMEMBER!),..." Read more

"Clear glass, accurate turrets. Perfect size for my 22lr AR-15." Read more

Nice scope for the price
5 Stars
Nice scope for the price
I got this for a Marlin 795 22LR rifle I got for my nephews. I believe this is made for an AR platform rifle so the eye relief about 3 inches. I needed to mount the scope pretty far back with an offset mount to manage the eye relief, but once I found a mount that did this the scope worked great and felt really good on the rifle. I've ran 900 or so rounds through the rifle at this point and it holds zero. I contacted Monstrum when I was looking a this scope and told them what I was going to mount it and use it for and told me this would be great on a 22 rifle and it has been. I haven't really used the illumination as I have only shot it in day time, but it is bright enough in the shade. I don't imagine it is day time bright though, but the reticle is etched and easy to see. I ended up using a centerpoint offset dovetail mount, which can be found on Amazon, if anyone is thinking of doing a similar set up.
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Top reviews from the United States

jason
5.0 out of 5 stars Very good scope for the money
Reviewed in the United States on May 14, 2020
Color: BlackVerified Purchase
I put this scope on my Ruger 10/22 and it performs wonderfully. I have been shooting it at ranges as far as 100yds and having the adjustable objective helps with parallax and keeps me shooting as well as I can. What I like about this scope, aside from the adjustable objective, is that it is light weight, compact, and the glass is clear and bright. While it features an illuminated reticle, I generally do not use them so I won't comment on that.

Sighting in was very easy and mine actually was shooting only slightly low at 10 yards right after mounting the scope. I sighted the scope in at 25 yards - my usual shooting distance for my 10/22, and later walked it out to 50 and then 100 yards. As expected, my groups opened up, but that is more a function of my skills (or lack thereof) and not the scope. The included throw lever for the magnification ring is a welcome feature making it quick and easy to get the desired power. Markings on the objective bell indicate where to adjust the objective to correct for parallax at the appropriate distance. So far, the scope has held zero perfectly over the course of shooting a 500 round bulk pack.

My intention for this scope is small game hunting in the fall and the light 12 oz. weight will certainly make carrying my 10/22 rifle easy in the field. For the money, this scope is punching well above its weight class for what it gives you. It is not going to be as refined as a $1000 Vortex or Leupold, but is does the job well without hurting your wallet.
5 people found this helpful
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Spock
5.0 out of 5 stars VERY Heavy! But, a GREAT SCOPE for the money!
Reviewed in the United States on April 7, 2024
Color: Flat Dark EarthVerified Purchase
I'm 74 and NEVER understood someone spending as much for a scope as for the rifle! So, in my MANY years, I've developed a 'formula'......NEVER SPEND MORE FOR A SCOPE THAN YOU DID FOR THE RIFLE!!! Simple! My new .22 MAG Rossi RS22M will cost around $250. So, I've got this scope for 1/3 the price of the rifle. Fits well with my 'formula'. The scope is HEAVY (inexpensive scope, REMEMBER!), but Fit, Finish, and Functionality are right up there with scopes I've paid 10X for!. For the bucks, this little HEAVY jewel just can't be beat! Very highly recommended. And, it really looks good in FDE!!!! And, it's heavy!
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Isleofdoggos
4.0 out of 5 stars Features are nice, only time will test how sturdy
Reviewed in the United States on May 31, 2020
Color: BlackVerified Purchase
Not gonna lie. If this scope lasts more than 2 years and turns out to be pretty sturdy, I'd give it 5 stars. For a scope this cheap you expect it to feel cheap but it feels pretty solid. The turrets are all responsive, glass is decently clear if you use the focus correctly, and the Illuminated reticle acts like a red dot. Even at 2x magnification I am able to keep both eyes open, granted one eye is out of focus but I still was able to distinguish what was in front of me and the dot stayed on target with no Parallax . I got this scope for medium ranges but the Illuminated ret makes it useful for quick acquisition in close quarters. The illumination is useless in the bright outdoors but the etched reticle was visible and clear. I have not yet shot with the scope on, but I have it on a mini-14. Based on features alone I'd give it 5 stars, but only time will tell how sturdy the unit really is. $80 is a decent price, tho, if it dropped closer to $50-60 I'd be happier and probably buy 2 more.

Update: First trip to the range with this scope on a mini-14. About 150 rounds. Mount screws loosened twice, but I did not locktite them before which I should have. Scope stayed on the gun though. The scope was minute of 2 man with no previous adjustments, with the dust from the shot kicking up all around the steel at 100 yards.
2 people found this helpful
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M. Jones
5.0 out of 5 stars Good scope for rimfire rifles
Reviewed in the United States on March 11, 2024
Color: BlackVerified Purchase
Clear glass, accurate turrets. Perfect size for my 22lr AR-15.
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Amazon Customer
5.0 out of 5 stars Worked good
Reviewed in the United States on May 1, 2024
Color: Flat Dark EarthVerified Purchase
Scope came with everything needed to install. I installed on a 300 Blackout and zeroed at 100YDS. Took hunting and put a 200LB wild boar down at 75YDS. You get a lot of bang for your buck with this scope. Dint let the cheap price fool you, It's a good scope for the money.
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josua castro
5.0 out of 5 stars Great scope for the money.
Reviewed in the United States on August 31, 2018
Color: Flat Dark EarthVerified Purchase
Currently sitting on my ruger scout chambered in 5.56

I've had this scope for a while and fired over 1000rnds with it, so I'm gonna try to write a good comprehensive review on it.

Pros :
Great for the price
Functionality is phenomenal and easy to use
Comes with lens protectors
The red/green illumination for the reticle is clear and also easy to use
Really easy to zero with very sturdy and responsive windage/ elevation knobs.

Cons:
The scope mounts it came with are sturdy thus far but do feel a bit cheap but will do the job until its type to upgrade. They're also really bulky and tall so they wont do good on a scout or battle rifle platform
it's a little hard to get a good eye relief.
The green/red light switch is super stiff and hard to turn on and off, it also houses the battery compartment so it's very common to turn the reticle light while also unscrewing the batter protector.

All in all, it's a good scope, definitely great for beginners/intermediate shooters using an AR platform on a small/medium caliber. I would probably hunt with it and obviously take it to the range but I wouldnt trust my life with it. I also wouldn't recommend using it on anything bigger than .223/5.56 including magnum calibers. I could see the recoil completely throwing off the zero. I wouldnt compare it to a leaupold or a Nikon but definitely one of the best cheap alternatives out there.
36 people found this helpful
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Todd S
3.0 out of 5 stars Very upset
Reviewed in the United States on June 10, 2022
Color: BlackVerified Purchase
I have not mounted this scope and tried it out yet. The scope seems like a well made sturdy scope with nice clear glass in it, however, my main issue with it is that it was advertised with a 1/4 moa at 100 yds, the first thing I did when I got the scope was to take the turret covers off and check, it says 1/2 moa! The main reason I bought this scope was for the 1/4 moa. Very upsetting, now wondering if the other Monstrum scope that I'm looking at for a high-end build is an honest description. If anything changes I will update this review.
Update, took it to the range and sighted it in, was very easy, nice clear glass, worked great, still not sure if it's 1/2 or 1/4 MOA at 100yds. Holding zero still after about 150rds of 22MAG ammo.
7 people found this helpful
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