9 Best 300 Blackout Scope Reviews

OUR TOP CHOICE: Primary Arms 1-6x24mm SFP Gen III .300 AAC Blackout

The critically acclaimed SFP Gen III 1-6x24mm riflescope by Primary Arms is one of the most popular AR-15 scopes available on the market today. Not only is this scope decently priced, but it is also highly versatile and adaptable, from home defense to hunting.

The ballistic performance of the .300 Blackout cartridge is different from the .223 Remington or 5.56mm NATO. The bullet diameter used on a .300 Blackout cartridge is 0.308” instead of 0.224”, and bullet weight typically ranges between 110 and 220 grains, much higher than a 5.56mm’s 55 or 62 grains.

In real-world terms, .300 Blackout fires a slower, heavier cartridge that doesn’t have as flat a trajectory (and therefore a lower effective range) but retains more energy as it travels, making it overall more lethal.

Choosing the right scope for your .300 Blackout AR-15 is very important; a scope designed for 5.56 will fit but may not perform as expected. Read on to learn all about the 9 best .300 Blackout scopes.

Best 300 Blackout Scope Reviews

Editor’s Choice: Primary Arms 1-6x24mm SFP Gen III .300 AAC Blackout

If you liked the 5.56/.223 version of this optic, you may be pleased to hear that the Primary Arms 1-6x24mm SFP Gen III is also available with a .300 AAC Blackout version of the ACSS reticle. It’s an ideal companion for your .300 Blackout rifle or carbine.

Top 9 Best 300 Blackout Scope Reviews

If you’re unfamiliar with the Primary Arms 1-6x24mm SFP Gen III, this product is one of the best AR-15 scopes available on the market today.

This riflescope’s centerpiece is the patented Advanced Combined Sighting System (ACSS) reticle, which combines a wide horseshoe reticle for close-quarters applications with an aiming chevron, bullet drop compensation marks, and a rangefinder. 

This version of the SFP Gen III features the .300 Blackout variant of the ACSS reticle, which provides accurate bullet drop compensation at up to 600 yards with supersonic ammunition and up to 225 yards with subsonic ammunition. Make sure to zero your rifle at 50 yards to get accurate results.

The SFP Gen III is suited for hunting and target shooting during the daytime. If you’re losing light, the illumination feature allows you to light up the central chevron, letting you continue your shooting or hunting session, although keep in mind the BDC and the rangefinder won’t light up.

Who Should Get This? 

You should get this if you want one of the most versatile and accurate rifle scopes for your .300 Blackout AR-15 rifle or carbine.

The main reason for choosing a .300 Blackout is for the subsonic performance. When paired with a suppressor and subsonic ammo, a .300 Blackout AR-15 makes so little noise that hearing protection isn’t required. Although the effective range is limited, particularly with subsonics, it shouldn’t be a problem as long as you stay inside of it.

The CenterPoint 1-4x24mm Riflescope is an incredibly affordable optic for the .300 Blackout shooter on a budget.

For the price, you get a lot of value. This package includes lens covers, a scope mount compatible with Picatinny rails, adjustable magnification between 1x and 4x, extra-long eye relief, and an etched, quick-acquisition dot and circle reticle system, ideal for close quarters.

The 3 MOA center dot is accurate at up to 250 yards with supersonic ammunition. However, I recommend keeping your engagement distances at no more than 200 yards to get the most out of the CenterPoint 1-4x24mm Riflescope

Who Should Get This? 

You should get this if you want the best budget scope for .300 Blackout AR-15s available today, as this optic can be purchased for less than $100.

The Sightmark Pinnacle 1-6x24FFP Riflescope is part of Sightmark’s successful Pinnacle scope line and is designed specifically for use with .300 Blackout firearms.

This scope’s CDC-300 reticle system features an illuminated half-circle and chevron in the center, with two color options (red or green), windage holdover marks, and bullet drop compensation marks for both subsonic and supersonic ammunition. The reticle system is on the first focal plane, etched on high-quality Japanese glass.

Reading the CDC-300 reticle is easy. With supersonic ammunition and a 100-yard zero on the chevron tip, the BDC hash marks on the right of the vertical line should be followed, providing accurate compensation marks at up to 800 yards.

It’s unlikely you will reach a deer at this distance with .300 Blackout since deer hunting with this cartridge is more realistically done within 100 to 200 yards. However, if you’re using sensible hunting ammunition, it’s an additional layer of confidence for you.

If you wish to use subsonic ammunition with this scope, zero the reticle at 50 yards and use the BDC marks on the left; these are accurate at up to 400 yards.

Who Should Get This? 

You should get this if you want one of the best hunting scopes for .300 Blackout platforms, particularly for deer and similar medium game.

You’ve undoubtedly heard of Aimpoint. This brand manufactures some of the world’s best red dot sights since 1975, trusted military, law enforcement, and civilian shooters worldwide.

So, you might be wondering, “Why an Aimpoint for hog hunting?” As any seasoned hunter can tell you, hog hunting is very different from deer hunting. The vital organs are in a different location, and the typical engagement distances are much closer, usually within 100 yards.

With those parameters in mind, it’s unnecessary to bring a long adjustable scope to a hog hunt. A high-quality red dot sight, such as the Aimpoint CompM5S, is more than enough, particularly on a .300 Blackout rifle.

The CompM5S is an extremely rugged, very lightweight red dot sight, featuring a LED-illuminated, 2 MOA center red dot reticle, ideal for use at close ranges, whether you prefer to use supersonic or subsonic ammunition.

With the Aimpoint ACET battery technology, your CompM5S has an expected battery life of 50,000 hours. The reticle is also fully compatible with all night vision device generations, making it a perfect choice if you’re going on that hog hunt at night.

Who Should Get This? 

You should get this if you want one of the world’s most rugged and long-lasting optical devices for hog hunting or close-quarters applications on your .300 Blackout firearm.

A good, dependable compact optic is a useful alternative to long, heavy scopes to keep the overall weight of your firearm low while still allowing you to make those precise shots. If this sounds like what you need, look no further than the Primary Arms 3×32 Gen III Compact Prism Scope.

With an overall weight of just 18.4 oz. and compact dimensions, the Gen III Compact Prism Scope is a great way to enhance your accuracy with your .300 Blackout platform. This scope features the .300 Blackout version of the ACSS reticle.

Although this is a fixed-power 3x scope, the wide field of view, comfortable eye relief, and accurate reticle system still allow you fast target acquisition at closer ranges. These also provide you with the means to make accurate shots at up to 600 yards.

The included Picatinny rail mount and riser make this scope ready to install right out of the box, and the additional short top rail on top of the unit lets you install your favorite small red dot sight. With it, you can turn the Gen III Compact Prism Scope into a dual optic scope.

Who Should Get This? 

You should get this if you want a rugged, convenient, and reasonably-priced compact scope for your .300 Blackout rifle with a low-power, fixed magnification rate.

Trijicon should need no introduction for most gun owners today. Famous for the Advanced Combat Optical Gunsight (ACOG) line of fixed-power scopes, trusted by the US military since 1987, Trijicon’s products are among the world’s most reliable and battle-tested optics.

The Trijicon TA31 4×32 BAC ACOG with .300 Blackout reticle is a version of their famous ACOG scope, designed to be used with the Bindon Aiming Concept (BAC), which allows you to comfortably use this optic with both eyes open, improving your situational awareness. This particular model has a fixed magnification of 4x.

The reticle system is optimized for .300 Blackout. It features BDC diamond marks for accurate shooting at up to 600 yards with supersonic ammunition and 200 yards with subsonic ammo.

Like all ACOGs, this scope is battery-free and dual-illuminated with tritium and fiber optic. It will work and provide you with an exact aiming point, no matter the lighting conditions.

If you aren’t satisfied with anything less than the best optics on your .300 Blackout platform, this Trijicon scope is a reliable and dependable choice that you can always trust.

Who Should Get This? 

You should get this if you want a tactical fixed-power scope for your .300 Blackout rifle or carbine, and you need the very best scope in its category.

For the shooter on a budget, the California-based Monstrum Tactical has been at the forefront of low-priced rifle scopes for over ten years.

The Monstrum G3 1-4×24 FFP Riflescope is a Low Power Variable Optic (LPVO) with a maximum magnification rate of 4x, making it ideal for a .300 Blackout carbine.

In the box, alongside the Monstrum G3 scope, you will find a pair of 30mm rings, flip-up lens caps, a honeycomb filter for glare reduction, and an included CR2032 battery. No need to buy these separately; everything is included in the box, ready to be installed on the rifle or carbine of your choice.

The reticle is etched on the first focal plane and can be illuminated under low-light conditions. The reticle system is a simple and intuitive circle-and-dot system with bullet drop and windage compensation marks suitable for close-quarters and longer-distance shots at up to 400 yards.

Who Should Get This? 

You should get this if you need an optical sight for your .300 Blackout rifle or carbine on a tight budget, and you need the best value for under $200.

SIG Sauer is not just a firearms manufacturer anymore. It also produces high-quality ammunition and a wide range of optics, from red dot sights to rifle scopes.

The SIG Sauer Tango4 .300 Blackout 1-4×24 riflescope is one of these accessories. It is a Low Power Variable Optic (LPVO) with a magnification range of 1x to 4x, featuring a horseshoe and dot reticle system optimized for use with .300 Blackout.

This scope provides you with precise aiming points at up to 600 yards, complete with windage adjustment triangle marks, optimized for use with .300 Blackout. The center dot and horseshoe are illuminated and are well suited for fast target acquisition.

If you often shoot with illuminated rifle scopes, chances are you’ve forgotten to turn off the illumination on one of your rifle scopes before.

With the Tango4’s battery-saving Motion Activated (MotAc) illumination system, you need not worry anymore. This scope is designed to turn on the illumination automatically the second it detects any movement, then turns itself off when remaining static for a while.

Who Should Get This? 

You should get this if you want a high-quality scope under $500 from one of the most reputable manufacturers in the industry.

ATN is one of the best there is when it comes to fully digital night vision and thermal optics for the civilian market. 

This fully electronic, smart riflescope uses a sensor, not unlike that of a digital camera. The sensor’s display resolution is 640×480, letting you see your environment with a crisp and sharp image.

The ATN ThOR 4 can, of course, be used as a daytime scope, but you’ll want to try it at night or other low-light conditions to make use of the thermal sensor. If you use a .300 Blackout carbine for hunting at night, particularly with a suppressor, the ThOR will let you see and shoot without being spotted.

The included electronic ballistic calculator and rangefinder help ensure your shots land on target every time. Never miss a hog or other nocturnal animal ever again.

With the video recording function, you can keep a memory of your shoot. Simply insert a microSD card into the scope, and turn on video recording or activate the recoil-activated video function.

Who Should Get This? 

You should get this if you want an electronic thermal rifle scope for low-light applications, such as night hunting.

Best 300 Blackout Scope Overall

One of the advantages of the .300 Blackout chambering is versatility. Having a single scope that is just as versatile is convenient and saves you from having to buy multiple optics.

For me, that scope is the Primary Arms 1-6x24mm SFP Gen III .300 AAC Blackout. With the accurate and intuitive ACSS reticle system, BDC marks for both supersonic and subsonic ammunition, and a fair price, it’s easy to see why it’s one of the best AR-15 scopes you can buy today.

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