UTG MT-RSX20MOA Super Slim Elevated Mount – 13 Slot / 20 MOA

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20 MOA cant plus elevated Picatinny base
UTG MT-RSX20MOA: 13-slot riser for setups that deliberately need more elevation adjustment
The Super Slim Elevated Mount attaches to a Picatinny base, raises the optic mount, and adds 20 MOA of geometric cant. This can provide valuable elevation adjustment for scopes at longer distances—but it isn’t automatically the better choice for every setup.
Black-Raptor take: The reasons to buy are 20 MOA, the extra mounting height, and 13 slots. If you don’t need cant or extra height, a direct 0-MOA mount is usually simpler.

Good fit / probably not a fit


Good fit if … your platform has a compatible Picatinny interface, your optic setup can accommodate the extra height, and you deliberately want to use 20 MOA of cant for more usable elevation adjustment.


Probably not a fit if … you only shoot at short distances, your cheek weld is already too low, your scope has limited downward adjustment for zeroing, or you don’t need any extra mounting height.

Before you buy: three things to check

1. Rail: The mount needs a usable Picatinny/1913 interface underneath, with sufficient length and compatible cross slots. Having a “Picatinny rail” alone doesn’t guarantee compatibility.
ht that the position, clearance, and clamping area suit your specific setup.
2. Cant: 20 MOA corresponds to approximately 5.8 mrad geometrically. This cant shifts the optic’s operating range; it is not a reticle feature and does not make a system more precise by itself.
3. Mounting height: As an elevated mount, the riser raises the entire optic assembly. This changes your line of sight and cheek weld, so it must suit the stock geometry.

Features and practical impact


20 MOA cant The optic starts out geometrically canted. This can leave more internal elevation adjustment available for longer distances—provided the optic can still be properly zeroed at your chosen zeroing distance.


13 Picatinny slots The long top rail gives you flexibility when positioning rings or a one-piece scope mount. It’s still essential that all clamping points sit fully and cleanly on the rail.


6061-T6 aluminum The available product data lists 6061-T6 as the material. This keeps the riser relatively lightweight without making it unnecessarily bulky for its purpose.


Recoil stops and Torx fasteners Integral recoil stops help ensure proper engagement in the cross slots. The mount is secured with Torx screws; a T20 wrench is listed as included.

Limitations, drawbacks, and how to avoid a bad purchase

20 MOA isn’t always better: The cant reduces the available adjustment in the opposite direction. This can be a problem at short zeroing distances or with optics that have little adjustment range to spare.
Extra height changes ergonomics: If the line of sight is too high, it can compromise a stable cheek weld. Before buying, consider the entire optic setup, not just the cant.
An extra interface is still an extra interface: A riser plus an optic mount means more clamping points than a suitable direct mount. Every connection must be properly seated and checked.
Not a substitute for rings: The MT-RSX20MOA is a Picatinny base. A scope still needs suitable rings or a compatible one-piece mount.

Installation and safe use

Install only on a fully unloaded and checked platform. Keep contact surfaces and cross slots clean, place the riser without tension, and make sure the recoil stops engage correctly in the intended slots.
Don’t use an invented universal torque value for the screws. Follow the current UTG documentation or the specifications for the mounting components involved. After any change to the optic mount, check the point of impact and zero the system again.

Technical specifications and practical interpretation


Model UTG MT-RSX20MOA Super Slim Elevated Mount—the model designation clearly identifies the 20-MOA version.


Cant 20 MOA / approximately 5.8 mrad geometrically—to shift the usable elevation adjustment range, not as a reticle or click value.


Top rail 13 Picatinny slots—for flexible positioning of a compatible optic mount.


Length 5.5 inches / approx. 139.7 mm—compare with the available rail space and desired position before buying.


Material 6061-T6 aluminum—designed to add little weight while providing a functional riser.


Fastening Locking Torx screws with integral recoil stops—correct slot engagement and a secure fit are essential for a stable mount.

Included

Confirmed: the UTG MT-RSX20MOA Super Slim Elevated Mount and a T20 Torx wrench. The scope, rings, one-piece optic mount, and other accessories are not included.

FAQ
What does the 20-MOA cant do? It shifts the optic’s geometric operating range and can make more elevation adjustment available for longer distances. It does not automatically improve precision.
Is 20 MOA suitable for every optic? No. The optic
must still have enough adjustment travel in the opposite direction at your desired zeroing distance despite the cant.
Can a scope be mounted directly on the riser? No. The riser provides a Picatinny rail on top. For a traditional scope, you still need suitable rings or a compatible one-piece mount.
Does the mount fit every Picatinny rail? Not necessarily. In addition to the rail standard, the usable length, cross slots, clearance and position of the clamping areas must suit your specific setup.
What does the extra height change? It raises the eye line. This can be helpful on certain platforms, but on others it may require an excessively high cheek weld. You should check the overall ergonomics after installation.
Do I need to zero the firearm again after installation? Yes. Any change to the base, cant or optic mount can affect the point of impact, so you’ll need to check the zero again.

Black Raptor buying guide
Only buy 20 MOA if your system really needs it.
The MT-RSX20MOA is a practical solution if you want to mount Picatinny on Picatinny, gain extra height and shift your optic’s elevation adjustment range for longer distances. For a straightforward short- or medium-range setup that doesn’t need this, a direct 0-MOA solution is usually the better choice.