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  • Post last modified:March 16, 2025

As someone who's spent countless hours behind various optics at the range. I've developed a genuine appreciation for all ACSS reticles on Primary Arms optics.

Beyond the days of just using a single dot for aiming, the ACSS is a useful tool that can help average shooters on an outdoor range to improve our accuracy and speed across multiple distances, but you have to study it before using it.

This guide breaks down what makes these reticles special and how they benefit regular shooters without requiring military training or competition-level skills.

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What Is the ACSS Raptor Reticle?

acss raptor reticle

Referenced Primary Arms

The ACSS Raptor is a ballistic reticle system on some premium grade Primary Arms Low Power Variable Optics, that combines several practical shooting features into one intuitive package. Unlike traditional reticles that simply give you a point of aim, the Raptor system incorporates:

  • Center chevron aiming point (sharper than traditional dots)
  • Bullet drop compensation (BDC) ladder
  • Wind hold dots
  • Moving target leads
  • CQB horseshoe for close-range engagement
  • Integrated ranging tools

Popular ACSS Raptor Variants

ACSS Raptor M2

This reticle works with first focal point scopes, so the reticle subtension scales as magnification changes.

acss raptor m2 reticle

The M2 variant features that distinctive center chevron surrounded by a bold CQB horseshoe that really catches your eye even at low magnification. The bottom of the chevron measures about 18" at about 100 yards, and the ranging scale measures up to a 5' 10" size person. 

Just place bottom of the target and you can estimate if the target is at 300, 400, 500, or 600 yards. 

This has been a game-changer for me during transition drills when moving between targets at varying distances. The ranging ladders built into the sides of the horseshoe let me quickly estimate distance without additional tools.

Primary Arms GLX 1-6X24 FFP with ACSS Raptor Reticle

ACSS Raptor

primary arms slx lpvo
  • Battery TypeCR2032 3V Lithium Coin
  • BrandPrimary Arms
  • Click Value1/4 MOA
  • ColorBlack
  • Exit Pupil DiameterLow: 9.00 mm / High: 3.00 mm
  • Eye ReliefLow: 3.20 in / High: 3.30 in
  • Field View 100Low: 105.00 ft / High: 14.30 ft
  • Focal PlaneFirst Focal Plane
  • IlluminatedIlluminated
  • Magnification1X - 8X
  • Mount Compatibility30mm
  • Night Vision CompatibleNon-Compatible
  • Objective Diameter24mm
  • Optic SeriesSLx
  • ReticleACSS Raptor 5.56/5.45/.308
  • Reticle ColorRed
  • Reticle TypeBDC
  • Turret FeaturesCapped Turrets, Low Profile, Finger Adjustable
  • Weight17.9 Oz.

The ACSS Raptor M6 is also a first focal point reticle that scales as magnification changes

With the M6, I've found the true-at-all-magnifications calibration particularly useful. This means whether I'm dialed to 1x or maxed out at 6x or 8x (depending on the optic), the holdovers remain consistent. It's specifically tuned for common calibers like 5.56 NATO, 5.45x39mm, and .308 Win, making it versatile across multiple rifles in my collection.


Real Benefits for Average Shooters

Faster Target Acquisition

EOTECH-exps3-reticle-outdoor

That bold horseshoe naturally draws your eye to center, speeding up initial sight picture acquisition. When doing plate racks or multi-target drills, this translates to measurably faster times.

Simplified Holdovers

For shooters who constantly trying to calculate holdovers or dial turrets for different distances. Now, with the integrated BDC ladder, I can hold directly on target using the appropriate mark without touching a turret. So hitting those 12" steel plates at 300 yards is easier using the correct holdover point without any adjustments.

Wind and Moving Target Compensation

The wind hold dots have been particularly helpful during breezy days at my local range. Instead of guessing or doing complex calculations, I can use the appropriate wind dot based on conditions. Similarly, the lead dots take the guesswork out of engaging moving targets during dynamic shooting drills.

At a static indoor range, these hold points don't do anything.

Versatility Across Shooting Scenarios

primary arms slx scopes

The ACSS raptor reticle transitions seamlessly between these applications without requiring any mental gymnastics. During a recent carbine class, I was able to engage targets from 25 to 300 yards using the same optic without adjustments. Of course assuming you have zeroed it properly at the start of the class.

Reduced Dependency on Battery Power

Unlike red dots that go dead when batteries fail, the etched ACSS reticle remains visible regardless of illumination. The illumination simply enhances visibility in low light, but isn't required for the reticle to function.

And the glass etched reticle is great for users with astigmatism so that the reticle is much crisper and clear to aim with.

Common Shooting Scenarios Where ACSS Excels

Practical Rifle Competitions

During local 3-gun matches, the ability to quickly transition between close targets and longer shots has shaved seconds off my stage times. The horseshoe works great for sub-100 yard engagements, while the BDC takes care of those longer shots without adjustment. (Assuming it has been zeroed correctly for the ammo you are shooting)

Casual Range Days

36 yard zero laser range finder

When I'm just plinking at the range with friends, the ACSS system makes it easy to hit targets at varying distances without constantly adjusting turrets. This keeps the focus on shooting fundamentals rather than equipment manipulation.

It's not a huge difference, but for someone who has been using a 2 MOA dot for a long time, this is a nice change.

Basic Marksmanship Training

I've introduced several new shooters to centerfire rifles using ACSS optics. The intuitive nature of the reticle helps them understand holdovers and ranging concepts much faster than traditional mil-dot or MOA systems.

It's easier to have references to look at than just a single dot in the context of teaching a brand new shooter.

Practical Field Notes

For those common 55gr and 62gr ammunition. Out to 300 yards, it's essentially point-and-shoot using the appropriate mark. Between 300-600 yards, there's a bit more variation based on ammunition, but the system remains surprisingly precise given its simplicity.

ammo prices

One area where I've noticed the system truly shines is during rapid engagement drills across multiple distances. Being able to seamlessly transition from close targets to distant ones without adjusting turrets keeps your head in the game and maintains shooting rhythm.

You can do the same thing with a red dot only if you remember where to hold.

Limitations Worth Noting

While the ACSS is not perfect for every application. For extremely precise shooting at longer ranges (500+ yards), a traditional mil/MOA reticle with finer subtensions still offers advantages.

The ACSS system prioritizes speed and practicality over absolute precision, aka the BDC isn't exactly like a MOA hold precision rifle scope.

Also, the reticle can appear busy to some shooters, especially those accustomed to simpler designs. There's definitely a learning curve to using all the features effectively, but it's worth the effort. For shooters who only shoot at a 25 yard or 50 yard in door range, the ACSS reticle may not be necessary at all.

Glass Quality Considerations

It's worth mentioning that while the ACSS reticle design is excellent, the glass quality varies significantly across Primary Arms' product lines. The SLx series offers good value but comes with expected limitations in edge clarity and light transmission. The GLX and PLX lines provide much better optical performance but at higher price points.