9 Best 300 Blackout Scopes of 2026 For Subsonic and Supersonic Loads

1

Primary Arms SLX 3X MicroPrism - Yard

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• ARS Mark

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  8.8
• Brand
  Primary Arms

Key specs2

Optical Design

Fixed 3x MicroPrism

Yardage Calibration

Yard-based reference markings assist with standard range estimation, though shooters should confirm specific subsonic or supersonic drop data on the product page.

Pros & cons32

Pros

• Compact microprism optical profile preserves nimble handling on short AR-15 builds
• Fixed 3x magnification provides swift target acquisition at intermediate ranges
• Yard-based reference marks assist with standard distance estimation

Cons

• Fixed 3x power lacks 1x unmagnified speed for point-blank indoor targets
• Specific reticle pattern is unlisted and requires verification before purchase

2

Primary Arms SLX 3X MicroPrism with Red Illuminated ACSS Raptor

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  7.4
• Brand
  Primary Arms

Key specs2

Dedicated Reticle

Red Illuminated ACSS Raptor 7.62/300BO

Ballistic Drop Compensation

The ACSS Raptor reticle integrates holds tuned for 300 Blackout ballistic curves, helping eliminate holdover guesswork across intermediate distances.

Pros & cons32

Pros

• Dedicated ACSS Raptor reticle specifically matches 7.62x39 and 300 Blackout drops
• Red reticle illumination aids target contrast against dim or cluttered backgrounds
• Compact 3x microprism housing keeps overall rifle weight and bulk minimal

Cons

• Calibrated holdovers depend on specific barrel length and cartridge velocity
• Fixed 3x magnification does not adjust down for point-blank indoor shooting

3

Trijicon TA02-C-100431 ACOG 4x32 LED Battery Illuminated Red Crosshair 300

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  9.1
• Brand
  Trijicon

Key specs3

Illumination Source

LED Battery Powered

Mount Interface

Included Trijicon TA51 Mount

Trajectory Matching

The dedicated 300 Blackout ballistic reticle provides calibrated hold lines, giving hunters and target marksmen exact drop references downrange.

Pros & cons42

Pros

• Ballistic crosshair reticle is factory-calibrated for 300 Blackout trajectories
• LED illumination provides user-controlled red crosshair brightness on demand
• Includes a TA51 rail mount for direct attachment onto standard flattop receivers
• 32mm objective lens gathers ambient light while retaining a compact housing

Cons

• Fixed 4x magnification limits peripheral visibility at ultra-close distances
• Requires an active battery power source to run the LED reticle illumination

4

360 Tactical 300BLK Blackout Boresight with Red-Laser 300BLK 7.62x35mm Boresight

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  7.4
• Brand
  360 Tactical

Key specs2

Chamber Fitment

300BLK / 7.62x35mm

Bore Sighting Setup

• Projects a red laser through the barrel center
• Supplied with 6 dedicated power cells
• Saves live ammunition during initial optic zeroing

Pros & cons32

Pros

• Direct 300BLK and 7.62x35mm chamber fit aligns optic to bore before firing live rounds
• Ships with six batteries to prevent interrupted initial setup sessions
• Red laser beam facilitates rapid preliminary sight alignment onto paper

Cons

• Red laser visibility drops significantly in bright daylight outdoor conditions
• Initial bore alignment only approximates zero and requires live-fire confirmation

5

Gotical 300BLK Blackout Boresight with Red-Laser 300BLK 7.62x35mm Boresight with

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  7.1
• Brand
  Gotical

Key specs2

Laser Emitter

Red Laser with 6 Batteries

Zeroing Assistance

Chambers directly like a standard 7.62x35mm round, allowing rough turret adjustments without wasting expensive subsonic or supersonic cartridges.

Pros & cons32

Pros

• Cartridge-shaped design fits 300BLK 7.62x35mm chambers for direct bore alignment
• Durable chassis withstands repeated chambering during zeroing setup
• Includes six batteries for extended beam alignment sessions

Cons

• Red laser beam is difficult to register on targets in direct sunlight
• Internal laser does not simulate projectile drop across varied bullet weights

6

Lyman 50th Edition Reloading Handbook Softcover, Black

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  7.9
• Brand
  Lyman

Key specs2

Data Source

50th Edition Softcover Handbook

Ballistic Tuning

Provides verified propellant data, projectile weights, and pressure boundaries for handloaders fine-tuning custom subsonic or supersonic 300 Blackout rounds.

Pros & cons32

Pros

• Dedicated reference manual supplies verified load recipes for handloaders
• 50th Edition covers modern rifle powders and varied bullet weights
• Softcover format lays flat on loading benches for quick data reference

Cons

• Paper pages require careful handling around gun cleaning solvents and oils
• Printed handbook cannot provide automated ballistic calculator drop tables

7

Discreet Guitar Rifle Case with 5-Pack 300 Blackout Magazine Bands

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  8.4
• Brand
  Cedar Mill Fine Firearms

Key specs2

Case Configuration

Hard Shell with Customizable Foam

Caliber Safety Markers

Includes 5 marked silicone magazine bands to prevent catastrophic chambering accidents between 300 Blackout and 5.56 magazines.

Pros & cons42

Pros

• Hard shell guitar shape conceals rifle transport without tactical styling
• Customizable foam interior adapts around mounted scopes and rifle hardware
• Includes 5 silicone magazine bands to prevent mixing 300 Blackout and 5.56 ammo
• Lockable latches secure firearm and optic during travel

Cons

• Five magazine bands may fall short for users with large magazine collections
• Guitar case footprint is bulkier than form-fitting tactical rifle scabbards

8

Discreet Guitar Rifle Case with 10-Pack 300 Blackout Magazine Bands

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  9.1
• Brand
  Cedar Mill Fine Firearms

Key specs2

Marking Bands Included

10-Pack Silicone Caliber Bands

Optic Protection

The customizable foam interior allows shooters to shape a dedicated cavity around mounted optics and turrets to protect zero during travel.

Pros & cons42

Pros

• Bundled 10-pack of silicone bands provides ample marking for multiple magazines
• Hard shell outer body protects sensitive scope lenses and turrets against drops
• Customizable internal foam cuts to fit specific rifle lengths and scope dimensions
• Discreet guitar profile provides off-radar transport to and from the range

Cons

• Hard exterior shell takes up substantial vehicle cargo room
• Foam customization requires deliberate cutting that cannot be easily reversed

9

Trijicon VCOG 1-6x24 Segmented Circle Crosshair 300 Riflescope

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  8.4
• Brand
  Trijicon

Key specs3

Magnification Range

Variable 1-6x24

Reticle Pattern

Segmented Circle Crosshair 300

Versatility in Use

Provides true 1x performance for fast, both-eyes-open close shooting, with quick zoom up to 6x for precision holds on 300 Blackout targets downrange.

Pros & cons42

Pros

• 1-6x magnification range handles both true 1x close quarters and 6x distance shots
• Segmented circle crosshair reticle is engineered specifically for 300 Blackout ballistics
• 24mm objective lens maintains a slim, snag-free inline tube profile
• Variable power dial allows smooth transitions between different engagement ranges

Cons

• Variable magnification mechanism adds weight compared to compact fixed prism sights
• 24mm objective lens limits exit pupil diameter at full 6x magnification

Last update on 2026-09-26 / Affiliate links / Images, Product Titles, and Product Highlights from Amazon Product Advertising API

Can a single reticle provide accurate holdovers for both supersonic and subsonic 300 Blackout ammo?

Yes, dedicated caliber-specific reticles feature holdover marks calibrated for both cartridge types. Heavy subsonic rounds drop much faster than lightweight supersonic bullets, so designs like the ACSS Raptor 7.62/300BO or a 300 Blackout ballistic crosshair place secondary drop indicators along the vertical stadia. Because velocity varies between barrel lengths, check the ammunition grain weight listed in the optic manual when calculating accurate holdovers for your specific barrel.

Is a compact prism scope or a 1-6x variable optic better for 300 Blackout?

It depends on your shooting distances and rifle setup. A fixed compact prism, such as a 3x MicroPrism or a 4x32 optic, saves weight on short-barrel builds while maintaining better rifle balance. A variable 1-6x24 optic offers true 1x magnification for rapid snap shots with both eyes open, alongside 6x magnification for positive target identification at extended range. Check your rifle rail space and total optic weight to determine which setup matches your handling preference.

How do you sight in a 300 Blackout optic without wasting expensive ammunition?

Chambering an in-chamber laser bore sighter gets your reticle close to zero before firing live rounds. Using a dedicated 300BLK 7.62x35mm red-laser bore sighter projects a reference beam directly onto paper at your bench. Once you adjust your windage and elevation turrets to meet the laser dot, you can verify your true point of impact with just a few live cartridges.

Should you zero a 300 Blackout scope with supersonic or subsonic ammunition?

Zero your optic using the load you fire most often. Most caliber-matched 300 Blackout reticles require a supersonic baseline zero, with subterranean drop points pre-calculated for subsonic flight paths. If you run a dedicated suppressed rifle that exclusively shoots heavy subsonic ammo, establish your primary zero directly with that load to avoid holding off-center for every shot.

Why is an illuminated reticle useful on a 300 Blackout rifle?

An illuminated reticle speeds up target acquisition against dark backdrops and in low-light shooting conditions. Optics built with red illuminated reticles or LED battery power turn fine crosshairs into high-contrast aiming points for close-range targets. Review the manufacturer specifications to verify available brightness levels and battery type before heading into low-light environments.

What mounting system do dedicated 300 Blackout scopes use?

Most 300 Blackout scopes mount directly to standard rail surfaces using integrated hardware or bundled brackets, such as the TA51 mount. You must confirm that your optic mount provides the correct eye relief and height over bore on your upper receiver. Check that the mount leaves adequate clearance if you also run backup iron sights along your top rail.