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Primary Arms SLX 1-6x24mm SFP Illuminated ACSS Gen III Riflescopes

4.8 4.8 out of 5 stars 711 ratings

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5.56/5.45/.308

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About this item

  • EXPORT CONTROLLED ITEMS: These items are controlled for export and may require an export license from the U.S. Government. Buyer acknowledges that Buyer is responsible for obtaining all export licensing authorizations and filing all export documents prior to export from the United States.
  • Variable 1-6x magnification second focal plane scope features the ACSS Standard reticle for 5.56 .45.308
  • ACSS reticle combines BDC, wind holds, moving target leads, and range estimation in an easy to use system
  • Partial red illumination with 11 brightness settings powered by a common CR2032 battery
  • IP67 waterproof and fog resistant with a 6063-aluminum scope body and matte black anodized finish

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Product Description

Primary Arms SLx 1-6x24mm SFP Rifle Scope Gen III Infographic detailing the sections of the optic

After rigorous field testing, this optic has been given a Silver-tier rating by the National Tactical Officers Association.

This Primary Arms rifle scope is part of the SLx optics line. SLx optics built their reputation for innovation, reliability, and value. All SLx optics undergo rigorous field-testing during development to best serve you in any environment.

The Primary Arms 1-6x24 second focal plane scope (Gen III) features the exclusive, patented Advanced Combined Sighting System reticle. Bullet drop compensation, wind holds, moving target leads and range estimation are seamlessly integrated into an easy to use, instinctive sighting system that is very fast from 0-300 yards and very accurate from 300-800 yards. The second focal plane design keeps the reticle the same size at all magnifications for quick acquisition at low power and advanced reticle functionality at 6x maximum power.

The flagship Gen II 1-6x24 is a tough act to follow, so Primary Arms worked hard to make incremental but real improvements. The Gen III is 18mm shorter (10.04in long), weighs 1.88 ounces less (16.9 oz. total), and has an additional 10 MOA of internal adjustment compared to the older model. The ACSS reticle has also been improved, now featuring a chevron center aiming point rather than a dot.

Partial red reticle illumination is provided by a single (included) CR2032 battery, and a spare battery is included inside the windage turret cap. A total of 11 settings take the reticle all the way up to daylight bright. All lenses are fully multi-coated for maximum light transmission and the 6063 aluminum body is Type II hard anodized in matte black.

EXPORT CONTROLLED ITEMS: These items are controlled for export and may require an export license from the U.S. Government. Buyer acknowledges that Buyer is responsible for obtaining all export licensing authorizations and filing all export documents prior to export from the United States.

Second Focal Plan (SFP) 1st example

Second Focal Plane (SFP) Reticles

A Second Focal Plane reticle means that your reticle size stays the same whether zoomed in or out.

Pros: The optics are simpler to manufacturer making them more prevalent on the market and lower in cost to consumers.

Cons: The reticle being the same size regardless of the magnification means the stadia marks can only be used at maximum magnification where they are accurate. At anything but maximum magnification some old school calculations will need to be made to hit the target bulls-eye.

Second Focal Plan (SFP) 1st example

Second Focal Plan (SFP) 2nd example

Second Focal Plan (SFP) 3rd example

The SLx 1-6x24mm ACSS reticle

ACSS Reticle

The Primary Arms ACSS contains a BDC, Wind Holds, and Moving Target Leads. It contains multiple calculation options to fit most situations to give you the tools you need to determine the distance to hit the target.

The SLx 1-6x24mm ACSS reticle

ACSS Reticle

SLx 1-6x24mm Ranging using the target width scale on the sight

Horizontal Auto Ranging

Ballistic Distance Calculator (BDC) Estimating target distance based on height

Verticle Auto Ranging

Ranging Based on BDC and target and wind holds

BDC Chart, Leading Your Target, & Wind and Bullet Drift

Specifications:

Magnification 1x - 6x (Min - Max)
Focal Plane Second Focal Plane (SFP)
Objective Lens Diameter 24mm
Exit Pupil 9mm - 4mm (Low - High)
Eye Relief 3.3in - 3.5in
Sum Wind/Elevation Adjustment 50 MOA
Field of View @100 Yards 110ft - 19.3ft (Low - High)
Illumination Partial Red
Click Value 0.5 MOA
Length (w/o lens covers) 9.8in
Weight w/ battery (w/o covers) 16.9oz
UPC 818500011866
Primary Arms Classic Series 1-6x24mm SFP Scope - Illuminated Duplex Reticle Primary Arms SLX 1-6x24 SFP Rifle Scope Gen III - Illuminated ACSS-5.56/5.45/.308 Primary Arms SLX 1-6x24mm SFP Rifle Scope Gen IV - Illuminated ACSS Nova Fiber Wire Reticle Primary Arms SLX 1-6x24mm SFP Rifle Scope Gen IV - Illuminated ACSS Aurora 5.56-Yard Reticle Primary Arms SLX 1-6x24mm SFP Rifle Scope Gen IV - Illuminated ACSS Aurora 7.62-Yard Reticle Primary Arms GLx 1-6x24mm FFP Rifle Scope - Illuminated ACSS Raptor-M6 Reticle
Primary Arms Classic Series 1-6x24mm SFP Scope - Illuminated Duplex Reticle Primary Arms SLX 1-6x24 SFP Rifle Scope Gen 3 - Illuminated ACSS-5.56/5.45/.308 Primary Arms SLX 1-6x24mm SFP Scope Gen 4 - Illuminated ACSS Nova Fiber Wire Primary Arms SLX 1-6x24mm SFP Scope Gen 4 - Illuminated ACSS Aurora 5.56-Yard Primary Arms SLX 1-6x24mm SFP Scope Gen 4 - Illuminated ACSS Aurora 7.62-Yard Primary Arms GLx 1-6x24mm FFP Rifle Scope - Illuminated ACSS Raptor-M6 Reticle
Customer Reviews
4.8 out of 5 stars
10
4.8 out of 5 stars
711
4.7 out of 5 stars
299
4.7 out of 5 stars
299
4.7 out of 5 stars
299
4.7 out of 5 stars
5
Reticle Duplex Dot ACSS 5.56/5.45/.308 ACSS NOVA ACSS AURORA 5.56 Y ACSS AURORA 7.62 Y ACSS RAPTOR M6
Focal Plane Second Focal Plane (SFP) Second Focal Plane (SFP) Second Focal Plane (SFP) Second Focal Plane (SFP) Second Focal Plane (SFP) First Focal Plane (FFP)
Objectivew Lens Diameter 24mm 24mm 24mm 24mm 24mm 24mm
Exit Pupil 8mm - 3.5mm (Low - High) 9mm - 4mm (Low - High) 10.6mm - 3.8mm 10.6mm - 3.8mm 10.6mm - 3.8mm 9.5mm - 3.8mm
Eye Relief 3.5in - 3.9in 3.3in - 3.5in 4in 4in 4in 3.3in - 3.5in
Total Windage/Elevation Adjustment 120 MOA 50 MOA 120 MOA 120 MOA 120 MOA 200 MOA
Field of View @100 Yards 113.5ft - 18.8ft (Low - High) 110ft - 19.3ft (Low - High) 120ft - 20ft (Low - High) 120ft - 20ft (Low - High) 120ft - 20ft (Low - High) 104.7ft - 18.3ft (Low - High)
Illumination Red Partial Red Red Red Red Partial Red
Click Value 0.5 MOA 0.5 MOA 0.1 MIL 0.1 MIL 0.1 MIL 0.1 MIL
Weight W/ Included Battery (W/O Lens Covers) 17.21oz 16.9oz 17.9oz 17.9oz 17.9oz 21.3oz

Product information

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Primary Arms SLX 1-6x24mm SFP Illuminated ACSS Gen III Riflescopes


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Customer reviews

4.8 out of 5 stars
4.8 out of 5
711 global ratings

Customers say

Customers like the accuracy, value, ease of use, clarity, and brightness of the aiming scope sight. For example, they mention that the reticle is very precise, it's a great budget optic, and that the brightness can be seen in bright daylight.

AI-generated from the text of customer reviews

187 customers mention176 positive11 negative

Customers are satisfied with the quality of the aiming scope sight. They mention it's a high-quality optic with good glass. Some say that the overall quality rivals and in most cases bests other scopes. Overall, customers are happy with their purchase and recommend it to others.

"...The glass is clear, no tinting that I can tell, and the overall quality rivals, and in most cases bests, other optics costing much more...." Read more

"Excellent build quality, nice finish. glass is very clear and retical is easy to see. windage and elevation knobs are low profile and work well...." Read more

"Reticle layout, clarity and quality on this Gen 3 scope are exceptional. I'm looking forward to using it." Read more

"Great optic at a great price! Used this one on an M1A and has held zero! I recommend this optic. Only one disappointment...." Read more

134 customers mention134 positive0 negative

Customers appreciate the value of the aiming scope sight. They say it's a great budget optic, easy to zero, and worth their time and money.

"...offers several improvements over the Gen II, and this optic is worth every penny and more - you won't find another optic of this caliber in this..." Read more

"...Overall, a excellent optic for this price point.." Read more

"Great optic at a great price! Used this one on an M1A and has held zero! I recommend this optic. Only one disappointment...." Read more

"Primary Arms has yet to disappoint so far. Very nice scope for the money and the ACSS reticle has been spot on for me...." Read more

77 customers mention70 positive7 negative

Customers are satisfied with the clarity of the aiming scope sight. They mention that the glass is pretty clear, with just a little distortion around the very edge. The reticle stays clear through all magnifications, and the picture is clear.

"...The glass is clear, no tinting that I can tell, and the overall quality rivals, and in most cases bests, other optics costing much more...." Read more

"Excellent build quality, nice finish. glass is very clear and retical is easy to see. windage and elevation knobs are low profile and work well...." Read more

"Reticle layout, clarity and quality on this Gen 3 scope are exceptional. I'm looking forward to using it." Read more

"...My eyes tend to pick up green better and cleaner. The glass is pretty clear with just a little distortion around the very edge, nothing abnormal for..." Read more

50 customers mention38 positive12 negative

Customers like the brightness of the aiming scope sight. They mention that the illumination can be seen in bright daylight, the reticle works well in low light conditions, and the 11 illumination levels are perfect. The reticule is light up and useful under low light situations. The scope can also be used easily with no illumination.

"Excellent build quality, nice finish. glass is very clear and retical is easy to see. windage and elevation knobs are low profile and work well...." Read more

"...reticle, the chevron point makes precise shots easy and the very open sight picture makes getting back on target for follow up shots quick...." Read more

"...1. It has a light up reticle which will come in hand with shooting at dark targets, in darker areas such as the woods, or shooting dark colored..." Read more

"...Some reviewers indicated it is not bright enough in bright sunlight. Honestly, in those situations, I rather use the edged reticle...." Read more

50 customers mention47 positive3 negative

Customers find the aiming scope sight easy to use. They say the reticle is easy to understand and pick up. They also say the scope is sturdy, clear, and easy to zero in. Customers also say it makes it easy to quickly acquire targets at different distances. They mention the bdc works awesome and the ACSS Predator reticule is easy pick up and use.

"This optic is worth the hype! The ACSS reticle is fast and easy to acquire, and performs so well Trijicon uses it in the latest ACOG...." Read more

"...Included windage calculator and BDC makes it very easy and accurate at distance as well." Read more

"Great budget optic, Easy to Zero. I would definitely recommend it to any looking...." Read more

"...It makes it very easy to quickly acquire targets at different distances and it is a ton of fun!..." Read more

42 customers mention42 positive0 negative

Customers are satisfied with the performance of the aiming scope sight. They mention that the BDC works awesome, the scope works fantastically, and the built-in ranging system works great. Some say that the combination works great, and that it works well beyond 300 yards with their rifle.

"...The ACSS reticle is fast and easy to acquire, and performs so well Trijicon uses it in the latest ACOG...." Read more

"...The luminated retical is very bright and works well even in bright sunlight.Overall, a excellent optic for this price point.." Read more

"...It definitely does a good job (still prefer MOA), and for someone who prefers BDC, it's probably the best one in the market today...." Read more

"...The combination works great!..." Read more

31 customers mention31 positive0 negative

Customers are satisfied with the appearance of the aiming scope sight. They mention that the reticle is well thought out, sharp, and easy to pick up. The glass is clear, and the reticles are crisp and easy. Some appreciate the nice finishes. Overall, most are happy with the quality and appearance of this scope.

"Excellent build quality, nice finish. glass is very clear and retical is easy to see. windage and elevation knobs are low profile and work well...." Read more

"...have fantastic glass in them, crystal clear reticles, and nice finishes...." Read more

"...I love the ACSS reticle and wish other manufacturers would adopt it...." Read more

"...The vison is very clear and the reticle is great. It’s easy to adjust and zero...." Read more

23 customers mention23 positive0 negative

Customers find the accuracy of the aiming scope sight to be excellent. They mention that the reticle is very precise, and the bullet drop is extremely accurate. The turrets have a smooth, precise operation, and they are quick pointing. The elevation holdovers are accurate, and it has a chevron point that makes precise shots easy.

"...I love the Gen 3 ACSS reticle, the chevron point makes precise shots easy and the very open sight picture makes getting back on target for follow up..." Read more

"...Very nice scope for the money and the ACSS reticle has been spot on for me. Can't beat them when it comes to cost/value." Read more

"...Crisp and clear glass, reticle set-up/ranging marks are outstanding and made a decent shooter better...." Read more

"...The turrets have a smooth, precise operation and, with a tactile click...." Read more

God  value for the money
4 Stars
God value for the money
I am not a fan of BDC reticles. I rather much prefer MOA., I couldn't find a good scope 1-6 with MOA reticle and good review/value, so decided to try the ACSS reticle. It definitely does a good job (still prefer MOA), and for someone who prefers BDC, it's probably the best one in the market today.The quality of the glass is not like the ones in Night Force, or Swarovski, however, it is more than good enough for this type of application. After all, this scope is not designed for precision shooting at 600 yards. A higher definition glass is not going to improve my performance, therefore, I saw no point in going for Trijicon.I compared it to the Vortex 1-6 Strike Eagle (I love Vortex, and own several optics from this company), however, as many reviewers say, the reticle lines on the Vortex are way too thick to the point they obscure the target. The farther the target, the worst it would be.The range finder on the Primary Arms works just fine, but I am not a combatant, therefore I see little use for me. But it is there, and it does not bother me.I have a few minor criticisms regarding design (not quality). The turrets are covered (not a fan of unscrewing turrets on the field or hunting). I much prefer when the turrets are open and in clear sight for quick adjustments.The other criticism (again, related to design, not quality) is that there is no "off" selection in between intensity selectors on the illumination dial. That should be standard on any optics now days.There is minor distortion around the edges on the 1x power, but at this price range, that is not going to affect my rating as it does not affect my shooting accuracy and I can still shoot with both eyes open.On the plus side, the reticle is edged on the scope. That's a big plus for me. I never understood why manufacturers design electrooptics without an edge reticle. No batteries, not optics. Not good for quick shooting either as you would have to turn reticle on (unless they come with motion sensor)Some reviewers indicated it is not bright enough in bright sunlight. Honestly, in those situations, I rather use the edged reticle. I never saw the point in illuminating something that is already bright enough.This is not a criticism, but a suggestion, I wish it would come in FDE color as an option, even if it would cost extra.I would give it a 4 1/2 stars if I could. If these minor issues were fixed on a newer version, I would give it a 5 stars rating. It is still a good value for the money
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Marilyn
5.0 out of 5 stars Fast shipping. Good deal
Reviewed in Canada on August 1, 2019
BM - BC Canada
5.0 out of 5 stars Great optics
Reviewed in Canada on March 16, 2019
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ashley polhuis
5.0 out of 5 stars Great sight
Reviewed in Canada on June 2, 2019
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RMC2011
5.0 out of 5 stars Best bang for your buck.
Reviewed in Canada on December 19, 2018
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Big Daddee
5.0 out of 5 stars Awesome scope
Reviewed in Canada on January 23, 2020
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