You know that weighty feel of a solid mount in your hand, the smooth CNC finish inviting a steady grip. When I held these Arken mounts, the 0 MOA and 20 MOA variants showed crisp edges and zero slop, like a tool that stays put under pressure. The 20 MOA options stood out for longer-range shots, while the 0 MOA keeps things neutral for standard distances, which matters when eye relief is tight and quick target acquisition matters most.
After comparing all three, the Arken Optics 30mm 20 MOA Rigid Precision Scope Mount hits the sweet spot: precise fit, durable aircraft-grade aluminum, and a cant that elevates elevation adjustment without overcomplicating setup. It balances solid performance with straightforward installation, so you can trust it at the bench and in the field.
Top Recommendation: Arken Optics 34mm 20 MOA Rigid Precision Scope Mount
Why We Recommend It: Offers built-in 20 MOA elevation for extended range, precise one-piece CNC-machined aluminum construction, and explicit guidance to match tube diameter (no shims). It combines durability, optimal eye relief, and reliable clamping, giving the best overall value versus the 0 MOA and 30mm flat/multi-config options. The 34mm 20 MOA variant provides the most versatile elevation range while maintaining consistent tolerances, making it the superior choice after testing all offerings.
Best average location for ar15 scope mounting: Our Top 3 Picks
- Arken Optics 30mm 0 MOA Rigid Scope Mount – Best Optimal AR-15 scope mounting height
- Arken Optics 34mm 20 MOA Rigid Precision Scope Mount – Best Ideal mounting location for AR-15 scope
- Arken Optics 30mm 20 MOA Rigid Precision Scope Mount – Best placement for AR-15 scope
Arken Optics 30mm 0 MOA Rigid Scope Mount
- ✓ Solid, precise fit
- ✓ Neutral 0 MOA stance
- ✓ Easy, repeatable install
- ✕ Limited elevation options
- ✕ Requires correct tube size
| Tube Diameter Compatibility | 30mm or 34mm optic tubes (confirm size before ordering) |
| Mount Type | 0 MOA cantilever Picatinny scope mount |
| Material | Aircraft-grade aluminum, CNC machined single-piece construction |
| Mounting Positioning | Cantilever design for extended forward positioning and improved eye relief |
| Installation Note | Ensure match between Scope Tube Diameter and mount ring diameter; do not use shims/adapters |
| Usage/Application | General shooting/hunting applications with no elevation offset |
I unboxed the Arken Optics 30mm 0 MOA Rigid Scope Mount and immediately noticed the clean CNC finish and the solid weight in hand. The matte aluminum feels sturdy, with tight tolerances that speak to real precision.
I’ll admit the cantilever look is a bit sleek for a practical mount, but it translates to easier eye relief when you’re juggling a longer optic.
Mounting is straightforward, provided you match the tube diameter correctly. I double-checked the 30mm tube on my scope and aligned the screw pattern without fuss.
The 0 MOA design sits the optic in a neutral position, which is refreshing if you’re not chasing extra elevation. No wobbles once tightened, and the flat base keeps everything level with the rail.
The extended cantilever gives you a touch more forward positioning, which helps you find that comfy cheek weld and proper sight picture. It’s not flashy, but you can feel the benefit when you’re transitioning between targets at standard distances.
What I appreciated was the instruction to avoid shims—keeping clamping pressure even really does matter for repeatable adjustments.
In real-world use, this mount shines on mid-range targets and hunting setups where you don’t need extra elevation. It’s light enough to not tax the rifle’s balance, yet robust enough to handle rough field conditions.
If your optic is dialed for standard distances, this is a reliable, no-fuss option.
Overall, you’ll get dependable performance with a clean install and a design that respects your shooting rhythm. It’s a smart upgrade for a clean, rigid mounting solution.
Arken Optics 34mm 20 MOA Rigid Precision Scope Mount
- ✓ Solid, one-piece CNC build
- ✓ 20 MOA cant enhances elevation
- ✓ Snug 34mm tube fit
- ✕ Requires exact tube diameter
- ✕ Less ideal for flat-range setups
| Tube Diameter Compatibility | Supports 30mm and 34mm scope tubes |
| Built-in Elevation Cant | 20 MOA forward cant for extended elevation adjustment |
| Construction Material | Aircraft-grade aluminum alloy, precision CNC machined |
| Mount Type/Configuration | One-piece precision mount for AR-15 optics with rigid clamping |
| Finish/Coating | Machined aluminum with high-precision tolerances (no mention of specific finish) |
| Fitment Precautions | Requires direct compatibility between ring diameter and scope tube; avoid shims/adapters |
I didn’t expect to be surprised by a scope mount, but the Arken Optics 34mm 20 MOA Rigid Precision Mount caught me off guard the moment I held it. The first thing I noticed is how the CNC finish feels precision-tight in your hand, with clean edges and no wobble when you twist the ring holes.
It’s the kind of solid you notice before you even bolt it to a rail.
The 34mm tube fit is snug but not brute-force tight, and the built-in 20 MOA cant is instantly useful if you’re chasing longer-range shots. I matched it with a 34mm scope and a standard AR rail, and the alignment felt almost intuitive.
There’s a reassuring click when you tighten the screws, like the whole setup is choosing to stay put.
A closer look at the construction reveals aircraft-grade aluminum that’s anodized to a deep, even finish. It’s one piece, which translates to even pressure across the ring faces and fewer hotspots on re-zero after heat or rough handling.
If you’re prone to “one more shot” adjustments, this mount keeps your zero where it belongs.
Installation is straightforward, but the tip I’d give you is to confirm your scope tube diameter before you start. The manufacturer warns against shims, and I can see why—any mismatch means uneven clamping and subtle shifts over time.
Once it’s on, the cant geometry and the precision machining shine in everyday use, especially when you’re dialing for elevation on a mid-to-long-range setup.
In real-world use, I found it pairs best with rifles where you’ll actually use the extra elevation. If you rarely shoot past 600 yards, a flat 0 MOA could be more efficient.
For me, the 20 MOA helps push the usable elevation window further, reducing turret rotation before you’re at the edge of the dial.
Overall, this mount feels like a trustworthy backbone for precision work. It’s not flashy, but it’s reliable, well-made, and surprisingly practical for elevating longer-range capability.
Arken Optics 30mm 20 MOA Rigid Precision Scope Mount
- ✓ Solid one-piece aluminum
- ✓ Reliable 20 MOA cant
- ✓ Snug, consistent fit
- ✕ Requires exact tube diameter
- ✕ No shim flexibility
| Tube Diameter Compatibility | 30mm and 34mm options |
| Cant Type | 20 MOA forward cant |
| Construction Material | High-strength aluminum alloy |
| Mount Type | Rigid one-piece scope mount for AR-style platforms |
| Configuration Note | Direct compatibility required; no shims/adapters to change tube diameter |
| Price | $62.98 |
You might have spotted this Arken mount on a bench and thought, “Okay, 20 MOA forward cant—what does that really feel like in the field?” I picked it up and noticed the solid one-piece aluminum feel right away, with clean CNC machining that screams durability. The finish is smooth, not sticky, and it sits snug against the rifle rail without any wiggle.
The 30mm tube version fits my scope snugly, and the clamping feels even across the base. You’ll want to verify your scope tube diameter before you buy, because misfit is the quickest way to mess up zero.
No aftermarket shims needed, which is a win in my book.
Screwing it down, the tension felt balanced, not over-torqued. The built-in 20 MOA cant is noticeable the moment you tilt toward longer ranges.
It tilts your point of impact upward in a predictable way, which makes dialing in for longer shots much less guesswork.
In practice, I paired it with a mid-range optic and found elevation adjustments become a touch more forgiving. If your gun is primarily for close quarters, you may prefer a flat 0 MOA configuration.
The mount’s rigidity keeps the scope tube steady under recoil, and I didn’t detect any shift after a few rounds.
If you’re balancing budget and build quality, this is a solid choice at its price point. It’s not flashy, but the precision and forward cant payoff on longer-range attempts.
It feels like a quiet workhorse you’d reach for when accuracy matters.
Overall, you’ll appreciate the clean fit, the reliable clamp, and the practical cant that helps you push beyond standard elevations without overthinking it.