Primary Arms SLx 1-6x24 SFP Rifle Scope Gen III - Illuminated ACSS Reticle - 22 LR

Manufactured by Primary Arms
MPN: 610011
Manufactured by Primary Arms
15 Reviews

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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 and range estimation are seamlessly integrated into an easy to use, instinctive sighting system. 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. This scope is protected by the Primary Arms Lifetime Warranty. If a defect due to materials or workmanship, or even normal wear and tear, has caused your product to malfunction, Primary Arms will either repair or replace your product.


  • Second focal plane ACSS reticle designed for .22LR
  • Red illumination with 11 brightness settings
  • BDC accurate at highest magnification setting
  • 1-6x total magnification
  • Includes CR2032 battery
  • Single piece 6063 aluminum construction
  • Hardcoat anodized matte black finish
  • Fully multicoated lenses
  • Scope caps included
  • Lifetime warranty

Primary Arms combined the patented .22LR ACSS reticle with the proven Gen III 1-6X SFP scope body. The result is the most flexible, tough, and smart dedicated .22LR scope on the market. Quickly range and hit common .22LR targets like clay pigeons, cans, and critters all the way out to 200 yards with all the speed and precision of the Gen III scope that has found a home on thousands of ARs and AKs.

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 multicoated for maximum light transmission and the 6063 aluminum body is Type II hard anodized in matte black.

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Battery TypeCR2032 3V Lithium Coin
BrandPrimary Arms
Click Value1/2 MOA
Exit Pupil DiameterLow: 9.00 mm / High: 4.00 mm
Eye ReliefLow: 3.50 in / High: 3.30 in
Field View 100Low: 110.00 ft / High: 19.30 ft
Focal PlaneSecond Focal Plane
Length10.0 in
Magnification1X - 6X
Mount Compatibility30mm
Night Vision CompatibleNon-Compatible
Objective Diameter24mm
Optic SeriesSLx
ReticleACSS 22LR
Reticle ColorRed
Reticle TypeBDC
Tube Diameter30mm
Turret FeaturesCapped Turrets, Low Profile, Finger Adjustable
Weight16.9 Oz
  • Learn More About The Primary Arms SLx 1-6x24
  • Country Mash - Primary Arms 22LR 1-6x SFP ACSS Tactical Scope Review
  • 704 Tactical Reviews the 1-6 SFP Gen III scope with ACSS 22LR reticle
California Prop 65 warning

 WARNING: This product can expose you to chemicals, which are known to the State of California to cause Cancer and Reproductive Harm. For more information go to

Ratings & Reviews

15 reviews

  • 3 stars
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.22 ACSS scope


Bought this scope for my Sig 522. I have zero complaints . The glass is clear , reticles are crisp , it illuminates nicely , adjusts easily and holds zero . The hold overs are spot on out to 200 yards . It’s a fun scope .

LPVO for Rimfires


It works and is a good compact option for a Rimfire scope,

The good:
Decent glass that is clear with little chromatic aberration. Good brightness, enabling visibility in broad daylight. Turret covers which prevents accidently making adjustments, another bonus is it houses a spare battery. 1-6x zoom housing is easy to manipulate with the additional Primary Arms Mag-Tight Throw Lever. ACSS at 6x works well for standard velocity .22lr. Lifetime warranty is nice to have if ever required.

The opinionated not so good:
Flip caps tend to fall off when handling. Turret housing is a little large so can only go so-low using certain LOW cantilever mounts. (Was unable to use this scope as intended with a Nightforce Unimount 1.125" due to the saddle/turret housing not clearing ☹️.)

Great scope and reticle for AR 22lr


The scope is well made and the reticle is accurate. Its awesome on my AR I built with a dedicated 22lr barrel. I think it fits this type of setup well. Its great for hitting steel plates.

What I would really like to see primary arms make is an illuminated ACSS-22lr reticle like this on a 3-18 or 6-24 scope with a side parallax (15yards to infinity), with tactical turrets in SFP or FFP. I think that would make a great for precision 22lr target shooting. I would also probably leave out the outer reticle ring that is sized for clay pigeons. I would give a less cluttered look on a larger zoom scope for precision 22lr target shooting

My New Favorite 22LR Scope


This is by far the best 22LR Scope I've put on my S&W M&P 15-22 and I've played around with some very nice Optics on my rifle including night vision.
Primary Arms makes the only scope that I know of with this much Ballistic Data for a 22LR Rifle and once you have it sighted in all the hold over dots are right on the money. It really makes shooting different size targets out to 200 yards so easy.
The glass in this scope is so cristal clear and it's something you normally only find in optics at a much higher price point.
The # 10 - 11 power settings are very bright and it's easy to see that red reticle in the heaviest of sunlight but you really don't even need it as everything is etched in the glass when the power is off and it's just as easy to see.
To put simple if your like me and bought a .22lr Rifle just to have fun with and you don't have the Primary Arms SLx 1-6x24mm SFP Rifle Scope Gen III - Illuminated ACSS-22LR then your really missing out.

Top quality


After you set it up gets first shots on target at marked ranges, love it!




Fantastic Scope!

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Could not be more happy with my purchase. This has found a home on my suppressed 10/22. Glass quality is great. Reticle functionality is great with supers and still good with subs.

Mounted on a Ruger Precision 22 Magnum

by -

Took my RP 22 magnum to the range today. 4 shots and was dead centered.
Put 150 rounds in three different groups.
The glass is clear and bright.
I will use the BDC on the next visit to the range.

I like this scope so well I ordered one for my MP 15-22 !

Great for the price

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As long as you keep your expectations in line with the low price, you will be very happy with this scope. Very nice fit and finish, clear glass, great ACSS reticle, easy to sight in and the illumination works well. Cons: eyebox takes a little getting used to. Practice makes that not a problem. Overall a good scope for the price.

Nice reticle

by -

Good scope. Love the reticle designed for 22 rf. Glass looks good. Only negative is it’s a little heavy for lightweight 22 rifles. Great price!