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Monstrum G3 Series 3-18x50 FFP Scope
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Getting to Know Your Reticle
Custom Type-H
The Custom Type-H FFP features a 1 MOA dot in the center and 1 MOA between hashmarks with 20 MOA per side and a total of 40 MOA per plane. The reticle illuminates in 11-levels of red throughout the reticle.
1 MOA = 1 inch @ 100 yards.
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Getting to Know Your Reticle
Custom Type-H
The Custom Type-H FFP features a 1 MOA dot in the center and 1 MOA between hashmarks with 20 MOA per side and a total of 40 MOA per plane. The reticle illuminates in 11-levels of red throughout the reticle.
1 MOA = 1 inch @ 100 yards.
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Getting to Know Your Reticle
Min Magnification
The G3F31850 Scope is equipped with a Type-H reticle designed with set hashmarks for estimating distance and for holdover correction. Field of View (FOV) @ 330 Yards: 85.6 - 25.6 ft
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Getting to Know Your Reticle
Max Magnification
The G3F31850 Scope is equipped with a Type-H reticle designed with set hashmarks for estimating distance and for holdover correction. Field of View (FOV) @ 330 Yards: 85.6 - 25.6 ft
KEY FEATURES
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All Brass Internals
All adjustment assemblies are composed of solid brass which make them function smoother and more precise than before.
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Single-Piece Milled
Milled from a solid piece of 6061 aircraft grade aluminum to ensure scope rigidity and strength.
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Locking Turrets
This scope has a 1/4 MOA/click windage & elevation adjustments with zero reset and turret locks to prevent slippage.
G3 3-18x50 FFP Scope
Compare our Lineup
First Focal Plane | Reticle System: | First Focal Plane |
3-18x | Power Level: | 10-40x |
| | Locking Turrets: | |
| | Illumination: | |
| | Scope Rings: | |
| | Flip-Up Lens Covers: | |
Up to 800 Yards | Optimal Range: | Up to 2000+ Yards |
First Focal Plane | Reticle System: | First Focal Plane |
3-18x | Power Level: | 4-16x |
| | Locking Turrets: | |
| | Illumination: | |
| | Scope Rings: | |
| | Flip-Up Lens Covers: | |
Up to 800 Yards | Optimal Range: | Up to 1000 Yards |
First Focal Plane | Reticle System: | First Focal Plane |
3-18x | Power Level: | 5-25x |
| | Locking Turrets: | |
| | Illumination: | |
| | Scope Rings: | |
| | Flip-Up Lens Covers: | |
Up to 800 Yards | Optimal Range: | Up to 1500 Yards |
First Focal Plane | Reticle System: | First Focal Plane |
3-18x | Power Level: | 6-24x |
| | Locking Turrets: | |
| | Illumination: | |
| | Scope Rings: | |
| | Flip-Up Lens Covers: | |
Up to 800 Yards | Optimal Range: | Up to 1500 Yards |
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Tyrone Smith
Reviewed in the United States on March 27, 2025
My monstrum fde scope delivered on time. The color matches my fde/black rifle setup. I highly recommend this scope if you're on a budget. It feels like high quality.
DDUB
Reviewed in the United States on January 25, 2025
I've used a lot of Monstrum products over the years and this is a first. It's labeled as 1 lb 5 ounces. Scope, rings, and lens caps is actually 2 lbs 2.3 ounces. Retical is rather small at 3x but glass is clear. Rings that come with the scope are nothing spectacular but are rigid enough for a hunting rifle. Lens caps are a soft rubber that open and close nicely. Illuminated Retical does put a little glow in the glass when on the higher 3 settings. Is this a scope for extreme long rang shooting in my opinion no. But it's as good if not better than scopes out there that are 2-3 times the money. For 90% of the people out there this scope is more than enough for what you are doing and more capable than the shooters skills.
ess2thebee
Reviewed in the United States on April 3, 2025
I recently purchased the Monstrum G3 3-18x50 First Focal Plane FFP Rifle Scope with Illuminated MOA Reticle for my range sessions, and it’s been a fantastic addition to my setup. This scope is designed for precision shooting, and it’s delivered impressive clarity and functionality for my needs.Quality and Build:The Monstrum G3 feels solid right out of the box. The 50mm objective lens is housed in a durable aluminum body that’s both lightweight and rugged. The turrets are crisp and tactile, with audible clicks for adjustments, and the illuminated MOA reticle is a nice touch for low-light conditions. It comes with lens covers, which are a thoughtful addition for protection during transport.Performance:This scope performs beautifully at the range. The 3-18x magnification range is versatile, letting me zoom in for long-distance shots while still being usable at closer ranges. The first focal plane reticle scales perfectly with the magnification, making holdovers and adjustments intuitive. The glass is clear, with minimal distortion even at higher magnifications, and the illuminated reticle (with multiple brightness settings) helps in dim conditions. I’ve had no issues with zero retention after several rounds.Value for Money:For the price, this scope is a steal. It offers features you’d expect from higher-end models—like a first focal plane reticle and illuminated MOA—at a fraction of the cost. If you’re a shooter looking for a reliable scope without breaking the bank, this is a budget-friendly option that punches above its weight.Minor Notes:The eye relief is decent but can be a bit tight at higher magnifications, so adjust your position carefully. It’s a bit on the heavier side (as expected for a 50mm scope), so make sure your rifle setup can handle the weight. Also, while it’s rated for various calibers, double-check your mounting setup for compatibility.Overall:The Monstrum G3 3-18x50 FFP Rifle Scope is a reliable, high-value choice for range shooting. It’s clear, versatile, and packed with features that make it a joy to use, all at an affordable price. I’m thrilled with its performance—5 stars for quality and functionality!
Lars
Reviewed in the United States on April 22, 2025
I have had good experiences with Monstrum products, especially scope mounts and accessories like pic rail levels & lens caps. This is my first higher magnification scope. Good glass for the price. Elevation and Windage adjustment knobs have features usually found on higher end models. Nice parallax feature next to illumination knob.
Garry
Reviewed in the United States on May 27, 2024
I got this scope with hopes of having some of the features on higher priced scopes without breaking the bank. Under the higher magnification it is not as clear or crisp an image, but it is still not bad considering the price point. All the high-end features work fine. I do like the fact I can feel the clicks when adjusting and even hear them quite well. I have had scopes you can't even feel the clicks on. I am satisfied enough that I did purchase another scope after this one with a little more magnification and like it as well. I have also purchased their rings in the same dark earth color to match the scope in a medium profile to get the scope a little closer to the barrel. Quite pleased with my purchase.
joe1
Reviewed in the United States on December 9, 2024
Clear and very easy to set up
Stacy J Pursell Sr
Reviewed in the United States on November 16, 2024
I’m impressed beyond words at how excellent this scope is. Exceptional quality and workmanship. Crystal clear with great eye relief. The best scope I have ever owned which includes Nikon, Leopold, and Zeiss. I Highly recommend this scope.
Josh Freed
Reviewed in the United States on February 21, 2023
I purchased this scope to give it a try. The price was too hard to pass up for a ffp scope with brass internals and all the other features. I was surprised with the clarity of the optic, it tracks very well, holds zero, and the reticle is easy to see at all magnification levels. I did notice that when you get to the top of the magnification level, the eye box can be a little finicky. It can be a bit harder to get the right angle to see through to get the sight picture. You just have to take your time and get lined up behind the scope.I’ve seen other people complain about the center dot when at top magnification. At top magnification, the center dot will match a one inch circle on the target at 100 yards. This scope is on a hunting rifle, so this doesn’t bother me. I also had no issues taking shots out at further distances than 100 yards.I think this scope is a good value. I’m happy I purchased it. It will serve its purpose perfectly for me.
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