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Magnification: 1–6xObjective Lens: 24mmReticle: EBR-8 (FFP, illuminated)Eye Relief: 3.5 inchesTube Size: 30mmWeight: 20.9 ozWaterproof/Fogproof/ShockproofTrue 1x for CQB; 6x for midrangeExcellent reticle illuminationDurable aircraft-grade aluminumSlightly heavy for LPVO classSome edge distortion at 6x
Magnification: 1–6xReticle: ACSS Gen III (illuminated)Tube: 30mmWeight: 16.9 ozEye Relief: 3.3–3.5 inchesLegendary ACSS reticle for quick BDC and rangingDaylight-bright illuminationAffordable yet ruggedNot FFP (SFP only)Slight tunnel vision at 1x
Magnification: 4xObjective Lens: 32mmReticle: Illuminated ChevronEye Relief: 1.5 inWeight: 15 ozBattle-tested durabilityBattery-free illuminationPerfect for quick midrange engagementFixed 4x—less flexibilityPricey
Magnification: 1–8xObjective Lens: 28mmReticle: First Focal PlaneTube Size: 34mmWeight: 24 ozTrue 1x with crisp illuminationFFP reticle ideal for variable engagementLarge 34mm tube for light transmissionSlightly heavier than competitorsBrightness knob could be stiffer
Magnification: 1–10xObjective Lens: 28mmReticle: Illuminated MSR BDC10Tube Size: 34mmWeight: 21.9 ozMassive zoom rangeCrystal-clear glassIncludes cantilever mountSlight fisheye at 1xHeavier build
Intended Use: Subsonic home defense or supersonic hunting? Choose reticles with relevant BDC markings.Magnification: LPVOs (1–6x, 1–8x) are perfect for most setups.Reticle Type: ACSS and BDC-style reticles work best for mixed ammo.Durability: .300 BLK recoil isn’t huge, but ruggedness matters for field use.Illumination: A must-have for night hunts or suppressed setups.Mounting Height: Ensure a proper cheek weld on AR-style rifles.
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5 Best Scope for .300 Blackout – My Top 2025 Picks for Precision, Clarity, and Value
Finding the best scope for .300 Blackout isn’t as simple as slapping any optic on your rifle. This cartridge is unique—it’s versatile, subsonic-capable, and equally at home on a suppressed AR or hunting platform.
I’ve tested numerous optics on my .300 BLK rifles over the years, focusing on glass clarity, reticle design, durability, and how well they pair with both supersonic and subsonic loads.
In this review, I’ve rounded up the best scopes available in 2025 for short to medium-range shooting, low-light hunting, and tactical setups.
Top Product List: 5 Best Scope for .300 Blackout of 2025
Here are my top 5 picks for the best scope for .300 Blackout rifles in 2025:
1. Vortex Optics Strike Eagle 1-6x24 FFP
The Vortex Strike Eagle 1-6x24 FFP has long been a benchmark LPVO for AR-platform rifles, and it shines with the .300 Blackout. With true 1x magnification and a daylight-bright illuminated reticle, it bridges the gap between red dots and precision optics.
Product Specs
Pros
Cons
Glass Clarity & Reticle
The EBR-8 reticle is sharp and designed for quick holdovers—perfect for both 110-grain supers and 220-grain subsonic loads.
Eye Relief & Eye Box
The generous eye box is forgiving, making transitions fast and smooth during drills or hunting setups.
Durability
Vortex’s lifetime warranty backs its tank-like construction. Mine has taken a few bumps during hog hunts with zero shift.
Elevation & Windage Knobs
Positive, tactile clicks—no mushiness here. Each click feels precise, making zeroing intuitive.
Magnification & Parallax
No parallax adjustment needed; it’s optimized for .300 BLK engagement distances (50–300 yards).
Mounting & Accessories
Pairs perfectly with a 30mm cantilever mount like the Vortex Precision series.
Personal Experience
I’ve used this scope on my 10.5” SBR for both night hunting and range days—it’s become my go-to due to its clarity and speed.
Online Comments
Reddit threads rave about its value, noting reliability in competition use and its bright reticle under full sunlight.
Verdict
A professional-grade LPVO at a fair price—ideal for any AR-15 chambered in .300 Blackout.
2. Primary Arms SLX 1-6x24mm SFP Illuminated ACSS Gen III
Primary Arms’ SLX 1-6x24mm ACSS is one of the best LPVOs for the money and a nearly perfect match for .300 BLK rifles thanks to its intelligent ACSS reticle.
Product Specs
Pros
Cons
Glass Clarity & Reticle
The ACSS reticle gives holdovers for 300 BLK velocities—fast target acquisition and accurate holds for both sub and supersonic rounds.
Eye Relief & Eye Box
Comfortable for AR-style cheek welds, and the eye box is generous even at higher magnification.
Durability
Built like a tank with nitrogen purging and shock-resistant seals.
Elevation & Windage Knobs
Capped turrets with precise adjustments; holds zero even after hundreds of rounds.
Magnification & Parallax
1x to 6x covers everything from room clearing to 300-yard hits.
Mounting & Accessories
Works perfectly with a 30mm cantilever mount—ideal for AR-15 platforms.
Personal Experience
I ran this optic on a pistol-length .300 BLK build and hit steel at 200 yards with ease. The reticle design makes it intuitive even for new shooters.
Online Comments
Users on AR15.com consistently call this the best budget LPVO for 300 BLK, praising its reticle and durability.
Verdict
A do-it-all scope with unmatched value.
3. Trijicon ACOG 4x32
The iconic ACOG is combat-proven, and for .300 Blackout shooters, it provides unrivaled clarity, fixed magnification, and speed.
Product Specs
Pros
Cons
Glass Clarity & Reticle
Crystal-clear glass with a sharp reticle that glows via fiber optics. Ideal for bright days or dim twilight hunts.
Eye Relief & Eye Box
Short but manageable. Works best on rifles with adjustable stocks.
Durability
Virtually indestructible—trusted by military worldwide.
Elevation & Windage Knobs
Capped turrets; easy to adjust and rock-solid once zeroed.
Magnification & Parallax
Fixed 4x is perfect for the .300 BLK’s effective range. No parallax issues.
Mounting & Accessories
Mounts directly to any Picatinny rail. Compact and balanced.
Personal Experience
I’ve used the ACOG on suppressed SBRs and found it incredibly effective up to 300 yards. The clarity makes target ID effortless.
Online Comments
Reddit users describe it as “bombproof,” while hunters praise its low-light visibility and zero retention.
Verdict
The gold standard for fixed magnification optics—worth every penny.
4. Arken Optics EP8 1-8x28 LPVO
Arken’s EP8 LPVO brings premium features to a mid-tier price. It’s an excellent fit for shooters who want clarity and rugged construction.
Product Specs
Pros
Cons
Glass Clarity & Reticle
Superb clarity across magnification. The FFP reticle scales correctly, which is great for .300 BLK’s ballistic drops.
Eye Relief & Eye Box
3.6 inches of consistent relief. Very forgiving across magnification.
Durability
Shockproof and waterproof. Survived multiple range trips without losing zero.
Elevation & Windage Knobs
Smooth and audible clicks; 0.25 MOA adjustments are accurate.
Magnification & Parallax
1–8x provides versatility from CQB to 400 yards. Fixed parallax at 100 yards.
Mounting & Accessories
Mounts with a 34mm ring—Arken’s own mounts fit perfectly.
Personal Experience
On my suppressed 9” .300 BLK AR, this scope felt balanced. At 8x, I was tagging targets beyond 300 yards with subsonics.
Online Comments
Praised for its clarity and price on Reddit’s r/longrange. Users love the FFP design at this price point.
Verdict
A professional-grade LPVO that competes with optics twice the price.
5. SIG SAUER Tango-MSR 1-10x28mm SFP
SIG’s Tango-MSR delivers an incredible zoom range, bridging red-dot speed and long-range precision.
Product Specs
Pros
Cons
Glass Clarity & Reticle
Outstanding contrast and edge sharpness. The MSR BDC10 reticle matches .300 BLK drops closely.
Eye Relief & Eye Box
Comfortable and consistent through the zoom range.
Durability
Fully fogproof, waterproof, and recoil-rated for heavy calibers.
Elevation & Windage Knobs
Positive tactile clicks; returns to zero precisely.
Magnification & Parallax
1–10x makes it perfect for both CQB and field hunting setups.
Mounting & Accessories
Comes with a factory SIG mount—one of the few ready-to-go packages.
Personal Experience
This scope stayed clear and reliable through hundreds of subsonic rounds. Perfect balance for my carbine-length rifle.
Online Comments
Highly rated on AR15 forums; users love its clarity-to-cost ratio.
Verdict
A complete package for shooters wanting versatility and performance.
How to Choose the Right Scope for .300 Blackout
When picking optics for a .300 BLK rifle, consider:
FAQs
1. What magnification is best for .300 Blackout?
1–6x or 1–8x magnifications are ideal for the .300 BLK’s effective 300-yard range.
2. Should I use FFP or SFP for .300 BLK?
FFP is great for precision shooting; SFP is fine for fast-target LPVO setups.
3. What’s the effective range of a .300 Blackout?
Supersonic rounds reach about 400–500 yards, while subsonics are best within 150 yards.
4. Are red dots good for .300 BLK?
Yes—for home defense or CQB. But LPVOs provide versatility for mixed-use rifles.
5. Can I use the same scope for 5.56 and .300 BLK?
Yes, as long as the reticle or BDC matches your load’s ballistics.
6. What’s better for hunting—ACOG or LPVO?
LPVOs offer more flexibility and variable zoom for hunting scenarios.
7. What mount should I use?
A 30mm or 34mm cantilever mount ensures proper height on AR-platform rifles.
Conclusion
Choosing the best scope for .300 Blackout depends on how you shoot—CQB, hunting, or tactical range work. For overall versatility, the Vortex Strike Eagle 1-6x24 FFP tops my list. For budget-conscious shooters, Primary Arms SLX 1-6x24 is unbeatable, while Trijicon ACOG remains a timeless, bombproof choice. Each of these optics enhances what the .300 BLK does best: deliver precision, power, and adaptability in one compact package.
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