Monstrum 3-9×40 Tactical Scope Specs
Magnification: 3-9x
Objective Lens: 40mm
Reticle: Illuminated Mil-Dot
Exit Pupil: 13.3mm
Eye Relief: 3″
FOV @ 100 yards: 37.5′-12.4′
Tube Diameter: 1″
Length: 8.5″
Weight: 1.2 lbs
Adjustment Click Rate: 1/4 MOA

Monstrum 3-9x40 Tactical Scope

When I was looking into buying a new scope, I happened to have a smaller budget to mess around with than I usually do.

Typically, I would spend the two or three hundred dollars on a high quality scope that I know will be everything that I anticipate it to be.

This time around, I had to really do some research to find a high quality scope that was in my price range, as I had less than $150 to work with. Amazon seems to be my go to place lately for finding great deals, so that’s where I began my hunt.

After going through quite a few different scopes, I kept going back to this Monstrum Tactical Rifle Scope. Something about it stuck out to me and I knew that I had to give it a chance. The scope that I usually used on my AR-15 was broken and I was missing out on valuable hunting time!

Click Here for Pricing, Pictures, and Reviews on Amazon

Monstrum Tactical is a newer company, founded in 2010, that specializes in tactical optics, gear, and shooting accessories.

Since the beginning, their first mission has always been to provide equipment for any budget that remains to be reliable and high quality. Everything is backed by their guarantee, along with having a very committed customer service team.

Just because their products are affordable, doesn’t mean that they didn’t go through extensive product development, an intensive design process, and quality controlled manufacturing. Monstrum Tactical is constantly collaborating with other suppliers, evaluating, improving, and making additions to their product lines.

Nobody said that just because you’re newer to the industry makes you unreliable and incompetent. In just a few short years, Monstrum moved from being centered out of a garage, all the way to being a leading distributor of the industry.

Just because the price is reasonable, doesn’t mean that quality has to suffer for it. In the case of this Tactical Rifle Scope, I had to believe all the rumors about how great it was and give it a try myself, ignoring the measly price that was being asked.

And boy, am I glad that I took that leap of faith! Right out of the box I could tell the quality of the scope was superb, being right up there with previous scopes I have paid over three hundred dollars for.

Once I finally had a chance to get it on my AR-15, I realized how easy the actual mounting of it was, and how tight it really stayed on there. Even after 400 rounds with a pretty high recoil gun, I couldn’t see any noticeable signs that it had moved.

Along with this Tactical Scope, you receive batteries already installed for the illumination, along with extra batteries too! Little things like that are sometimes what makes the difference to me about whether I want to buy one product or another, so that was a big bonus for me.

Adding some versatility to this scope, you are given the option to choose either a green or a red illuminated crosshair, while also having the choice to just have a black crosshair.

This makes it easier to shoot in different conditions, like aiming for a deer in the grass, or shooting closer to dusk. The different colors really do make a huge difference to me and it can really help out when you’re least expecting!

Not only are you given the extra options with the dial controlled illumination of the reticle, but it really did work great.

After taking it out to the range with my AR-15 once or twice, I quickly realized how solid of a scope this really is. Everything worked very smoothly including the focus, reticle, windage, laser, elevation, and mount adjustments.

When I went to the range, I took my scope to sight it in for the first time, and it surprisingly took me only three rounds! I found a real quick and easy way to zero it in this time around, thanks to some advice from a friend.

I took one shot first, aiming for the bulls eye. Next, I adjusted the integrated red laser sight to shine right through the hole I made in the bulls eye. For the third shot I adjusted the Mil-Dot Reticle to line up perfectly with the Red Laser dot.

The first two shots I took at 50 yards, and the last shot was at 100 yards which is where the 3x-9x magnification was really useful. I couldn’t believe that after only three shots I had my scope perfectly zeroed in!

The combination on this scope of the Mil-Dot Reticle and the Integrated Red Laser sight is such a perfect recipe for both long and short range, to sight in your scope very quickly and it helps to save some ammo!

Being one who doesn’t usually mess around with cheaply priced products, I was thoroughly surprised by the integrity, build, and structure of this scope. After being used to five hundred dollar scopes, I was prepared to be disappointed but I am happy to say that I am thrilled silly by this scope.

It has every feature that I would want on any scope plus more bonus features like having both a Mil-Dot Reticle, along with having green and red illumination. This Tactical scopes was easy to mount on my AR-15 and it looks great on my rifle.

No matter how many rounds I shot off, this scope never loosened and always stayed at zero with no problems.

Finding this scope in my current budget was quite a pleasant surprise and I’m glad I gave it a chance because it is now my favorite, over some of my three hundred dollar scopes!

For similar scopes check out the other 3-9x’s we reviewed, by Barska and UTG.