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Primary Arms SLx6 1-6x24mm SFP Rifle Scope Gen III - Illuminated ACSS-GRIFFIN-MIL/MULTI-CALIBER Reticle

MPN: 610020
Manufactured by Primary Arms
2 Reviews


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The Silver Series optics are the heart of our lineup. The trusted optics that have built our reputation through the years. Although many SLx optics will be familiar to Primary Arms fans, we are always pushing forward with new generations and adding even more options in response to the demands of our loyal customers.

The ACSS Griffin-MIL reticle features include automatic ranging out to 600 yards, moving target leads, and a 5 x 5 Mil matrix for precision shooting. The Mil grid system means this scope can be used effectively with any caliber when combined with a ballistic calculator, using the Mil grid as a holdover system to compensate for bullet drop and wind conditions. This reticle is calibrated to be true at 6x magnification. 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 Griffin reticle with MIL hashmarks
  • Designed for multiple calibers with included manual for proper zeroing
  • BDC accurate at highest magnification
  • 1-6x total magnification
  • Red illumination with 11 brightness settings
  • Includes CR2032 battery
  • Single Piece 6063 aluminum construction
  • Hardcoat anodized matte black finish
  • Fully multicoated lenses
  • Includes Butler Creek flip up lens covers
  • Objective: 02A
  • Eye: 17
  • Lifetime warranty

The Primary Arms Gen III 1-6x24 second focal plane is a proven performer trusted by thousands of shooters to deliver consistent performance. Backed up by the Primary Arms lifetime warranty, this tough scope features red reticle illumination, a quick focus eyepiece, and finger adjustable turrets covered by turret caps. The second focal plane construction keeps the reticle the same size at all magnifications for quick sight acquisition in all conditions. Full 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.


Battery TypeCR2032 3V Lithium Coin
BrandPrimary Arms
Click Value1/2 MOA
Exit Pupil DiameterLow: 9.00mm / High: 4.00mm
Eye ReliefLow: 3.50 in / High: 3.30 in
Field View 100Low: 110.00 ft / High: 19.30 ft
Focal PlaneSecond Focal Plane
Maximum Magnification6
Minimum Magnification1
Night Vision CompatibleNon-Compatible
Objective Diameter24mm
ReticleACSS Griffin MIL SFP
Tube Diameter30mm
Turret FeaturesCapped Turrets, Low Profile, Finger Adjustable
TypeVariable Magnification
Weight16.9 Oz
  • Sootch00 reviews the 1-6x and 1-8x Griffin Mil
  • Highjack86 uses Griffin MIL to reach 300 yards with .450 Bushmaster

Ratings & Reviews

2 reviews

  • 3 stars
  • 0 reviews
  • 2 stars
  • 0 reviews
  • 1 star
  • 0 reviews

Very good scope, genius reticle.

by -

This is a very nice scope. Magnification and focus rings have just the right amount of tension to be fast in adjustment but stable during use. Glass is extremely clear with slight distortion at the limit. 1x is not quite, and 6x has a more forgiving eyebox than (I think) any other scope close to this price.
<br>The Griffin mil system reticle is genius. It should be the foundation of all of the ACSS reticles, as it allows interoperability with any caliber. It does require a tiny bit more thinking than the regular ACSS-BDC or Raptor reticles but makes up for it with versatility. Being able to instantly and precisely range estimate while keeping the chevron on target is outstanding. I do feel that the moving target leads are a little distracting, and I wish that they were finer points, a straight line like the KISS reticle, or paired with a fast-acquisition ring.
<br>I would recommend this scope. For me, it redefines what a $300 scope should be capable of.

Not perfect, but dang good.

by -

I've had this scope for a few weeks now and overall I'm quite pleased with it. The glass is exceptionally clear, the 1X setting is very close to true (I'd guess about 1.15 roughly) and it holds zero flawlessly on the .308 I have mounted to. This is a nice scope and well worth the price.
<br>So why only four stars? I find (and this my be just me, YMMV) the eye relief at 6X magnification to be a bit unforgiving. It's great at 4X, which is where I've mostly settled into using it. So I'm using it essentially as a 1-4X optic with the capability to stretch to 6X in a pinch. Of course this means that being a second-plane optic, the well-designed reticle is of limited utility to me, hence the less than perfect rating.
<br>In short, I have mixed but overall positive feelings about this one. If I had it to do over for the specific rifle I have this mounted on I probably would have gone with one of PA's other offerings. But within its limits, this has proven to be a clear and reliable piece of kit.