Monstrum Beast 3-18×50 vs CVLIFE 4-16×44: Which Fits Your Rig?
By Amis Thains Updated 5 min read
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On this page (7 sections)
You're choosing between a budget FFP tactical optic and an SFP illuminated scope, but the marketing claims make it hard to see the real differences. This head-to-head breaks down the glass, reticle, and build quality so you know exactly which one fits your shooting style.
In short: The Monstrum Beast 3-18×50 is the better overall value for most shooters because it offers first focal plane optics and ED glass that the CVLIFE lacks. The CVLIFE 4-16×44 wins if you prioritize a simpler, cheaper SFP setup with locking turrets for basic hunting.
Quick picks
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Includes ED glass and a first focal plane reticle that stays accurate across all magnifications.
Features locking turrets and a 20mm mount setup that is cheaper and easier to install.
The differences at a glance
The spec sheets show two distinct design philosophies. The Monstrum Beast leans into precision with its 50mm objective and FFP reticle. The CVLIFE prioritizes utility and a lower price point with an SFP design. Understanding these core differences is the first step to picking the right tool for your rifle. If that sounds like your bench, read up on assessing balance for the rifle next.
| Feature | Monstrum Beast 3-18×50 | CVLIFE 4-16×44 |
|---|---|---|
| Magnification | 3-18x | 4-16x |
| Objective Lens | 50mm | 44mm |
| Focal Plane | First Focal Plane (FFP) | Second Focal Plane (SFP) |
| Glass Type | Extra Low Dispersion (ED) | Fully Coated |
| Turrets | Zero Stop, Precision Clicks | Locking |
| Mount Included | 1-inch Cantilever | 20mm Rail |
Starts at 3x for close range and ED glass reduces color fringing at high power.
- Precision long range optic with adjustable 3-18x magnfication
- Multicoated lenses featuring Extra low Dispersion (ED) glass - reducing chromatic
Glass and light transmission: ED vs fully coated
Monstrum claims its 3-18×50 uses Extra Low Dispersion (ED) glass. This material is engineered to reduce chromatic aberration, which is the color fringing you see on high-contrast edges. The CVLIFE uses fully coated optics, which are good for light transmission but generally do not match the color correction of ED glass at high magnifications.
If you plan to push the power to 18x for long-distance targets, the Monstrum’s glass will likely hold a sharper image. The larger 50mm objective on the Beast also gathers more light than the 44mm CVLIFE.
This makes the Monstrum the superior choice for dawn or dusk conditions where light is scarce. The CVLIFE remains a solid option for bright daylight hunting where the extra light-gathering capability is less critical.
Pro tip: Check the maker's current spec sheet for the exact ED glass type, as performance varies by manufacturer.
Reticle and focal plane: FFP vs SFP explained
This is the biggest functional difference. The Monstrum Beast uses a First Focal Plane (FFP) design, meaning the reticle grows or shrinks with the magnification. Its ‘Christmas Tree’ subtensions remain accurate for holdover at any power setting.
The CVLIFE uses a Second Focal Plane (SFP) reticle that stays the same size. Its holdover marks are only accurate at one specific magnification, usually the highest. Loaders in this spot often ask about comparing cvlife vs monstrum as well.
If you dial turrets frequently for long shots, the FFP is the superior choice. The Monstrum’s 6-level illumination, which goes daylight-bright, helps with target acquisition in changing conditions.
The CVLIFE offers red and green illumination, which is simpler and very effective for fast target acquisition against dark backgrounds. For a shooter who relies on the reticle for precise long-range holds, the Monstrum is the clear winner.
For a hunter who just needs a bright center dot, the CVLIFE is sufficient and easier to use.
Offers red and green illumination levels that are simple to use for fast target acquisition in low light.
- Eye Relief: 3.3-2.7" With the locking turret, the CVLIFE tactical rifle scope is a
- Completed with the fully coated optical glass, the scope would give you a bright and
Turrets, mounting, and build durability
The turrets on both scopes serve different purposes. The Monstrum features precision clicks with a Zero Stop, allowing you to return to your zero point instantly after dialing. This is a premium feature that saves time in the field.
The CVLIFE uses locking turrets, which are practical for preventing accidental adjustments in the woods. You unlock, adjust, and lock back down.
Build quality also differs. The CVLIFE specifies a one-piece, high-strength aluminum alloy tube, which offers good resistance to shock and moisture. It includes standard 20mm rail mounts, making it easy to install on most rifle bases. For the detail, see our notes on scope user reviews.
The Monstrum Beast includes a proprietary 1-inch offset cantilever mount. This is a premium feature for AR-platforms, as it is built to hold zero against strong recoil. However, Monstrum does not list specific eye relief or nitrogen-purging details in its main spec sheet.
Safety first: Always verify that the included mount is compatible with your specific rifle before firing.
Which one should you buy?
- Buy the Monstrum Beast 3-18×50 if you want to do long-range target shooting, need the ED glass for clarity, or want a scope that is ready for an AR-15 with the included cantilever mount. The FFP reticle makes it a true tactical tool.
- Buy the CVLIFE 4-16×44 if you have a strict budget, prefer the simple locking turrets for hunting, or don’t need the subtensions to work at low magnifications. It is a more straightforward, no-fuss optic.
Consider your primary use case. If 90% of your shots are under 200 yards, the CVLIFE is more than capable. If you regularly push beyond 400 yards, the Monstrum’s optics and FFP design will serve you better.
The bottom line
The Monstrum Beast 3-18×50 is the better scope for most shooters because it includes ED glass and a first focal plane reticle that the CVLIFE lacks. The CVLIFE 4-16×44 is the right choice only if you need a lower-cost SFP scope with locking turrets for simple hunting use. Check the maker's current spec sheet for eye relief and warranty details before you order.
- Precision long range optic with adjustable 3-18x magnfication
- Multicoated lenses featuring Extra low Dispersion (ED) glass - reducing chromatic
Frequently asked questions
What is the main difference between FFP and SFP scopes?
In a First Focal Plane (FFP) scope, the reticle grows and shrinks with magnification, so holdover points stay accurate at all powers. In a Second Focal Plane (SFP) scope, the reticle stays the same size, meaning holdover points are only accurate at one specific magnification, usually the highest.
Which scope has better eye relief?
The CVLIFE 4-16×44 lists a specific eye relief range of 2.7 to 3.3 inches. The Monstrum Beast 3-18×50 does not specify an eye relief figure in its primary marketing materials, which is a notable omission for magnum calibers. If that sounds like your bench, read up on monstrum beast vs cvlife 2.5-10 next.
Can I use the Monstrum Beast mount on a bolt-action rifle?
The Monstrum Beast includes a 1-inch offset cantilever mount designed for AR-platforms. While you can technically mount it on other rifles, it is optimized for the geometry of an AR-15. For a bolt-action, you may need to buy separate 30mm or 20mm rings.
Does the CVLIFE scope have a zero stop?
No, the CVLIFE 4-16×44 features locking turrets instead of a zero stop. This allows you to lock your settings in place to prevent accidental movement, but you must unlock them to make adjustments.
Which scope is better for low-light conditions?
The Monstrum Beast 3-18×50 has a larger 50mm objective lens, which gathers more light than the 44mm lens on the CVLIFE. This gives it a theoretical advantage for dawn or dusk shooting, though the CVLIFE’s red/green illumination is a helpful feature for fast target acquisition.