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Primary Arms SLx 3 Compact 3x32 Gen II Prism Scope - ACSS-CQB 300BLK/7.62x39 - FDE

MPN: 710005
Manufactured by Primary Arms
8 Reviews


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The SLx 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 Primary Arms 3X Compact Prism Scope Gen II with ACSS CQB reticle is the lightweight, do-everything scope you've been looking for. The low 3X magnification and bright illuminated reticle allow for fast, both-eyes-open shooting at close range, while the ACSS CQB reticle allows for easy hits on targets out to an impressive 600 yards. For even greater flexibility, the GEN II features a removable spacer to tailor the perfect height for both AR-15 and AK-47 platform rifles. Whether you're looking for a new scope for competition, hunting, or plinking, why look any further?

  • Removable spacer allows the scope to be used on a variety of rifle platforms
  • ACSS 7.62x39 / 300BLK CQB reticle has BDC and ranging out to 600 yards with 7.62x39mm or supersonic 300BLK, and BDC to 225 yards with subsonic 300 BLK
  • Fully illuminated reticle is visible even in bright daylight
  • Removable M1913 picatinny top rail for accessories or piggy-backed red dot sights
  • Generous 10.3mm exit pupil allows for a bright and forgiving eye box
  • 31.5ft field of view at 100 yards provides easier tracking of mobile targets
  • 2.7" - 3.0" of eye relief
  • 1/4 MOA turret clicks are tactile and audible for easy zeroing
  • Tough prism scope is waterproof, fog resistant, and shockproof
  • Durable Type II hardcoat anodized black finish with Flat Dark Earth ceramic top coat
  • Compatible with standard carry handle mounts
  • Protected by a lifetime warranty

The heart of our tough Gen II 3X Prism Scope is the ACSS 7.62x39 / 300BLK CQB reticle that combines ranging, wind leads, moving target leads, and ballistic drop compensation out to 600 yards with supersonic or 225 yards with subsonic ammunition. The outer horseshoe of the glass etched reticle is used for close quarters engagement, simply place the generous semi-circle on the target and run with it! Each side of the horseshoe also has our integrated ranging system. Place the bottom of the target on the bottom rung, and range up. If you know your targets are roughly 18 inches wide, they can be ranged on the side Auto Range system, or directly on the BDC hold overs! Two dots on either side of the inner chevron offer a moving target lead moving with an average speed of 6.1 MPH. Each step of the BDC system includes a 5 MPH wind hold, drastically improving first hit probability at any range. As an added bonus, the glass etched reticle does not require batteries or illumination, but 11 brightness settings (including daylight bright) allow for fast acquisition in close quarters, or enhanced visibility in fading light, powered by a common CR2032 battery!

The PAC3X Gen II has even greater flexibility than ever before. The modular base includes a spacer allowing it to be configured for AR-15 / AR10 or AK-47 / AK-74 pattern rifles with ease. The included thumbscrew mount can also be removed and replaced with any mount that accepts AR-15 carry handle-type optics. The top rail, perfectly suited for your favorite accessories or piggy-backed red dots, can also be removed for a slick look and reduced weight. The PAC3X offers the perfect amount of magnification to balance close quarters speed with hits at medium range, in a flexible and durable package.


Battery TypeCR2032 3V Lithium Coin
BrandPrimary Arms
Eye Relief2.72 in - 2.92 in
Field View 10031.50 ft
Manufacturer.Primary Arms
MountM1913 Picatinny
ReticleACSS 7.62X39/300BO CQB
Turret FeaturesCapped Turrets, Tool Adjustable
TypeFixed Magnification
Weight16 Oz
  • PA 3x & 5x ACSS Prism Scopes Review by MrGunsNGear
  • TFB Torture Tests the Primary Arms 3x Prism Scope
  • Vepr AK47 - 500 yards by AKOU
  • Primary Arms 3X Compact Gen II with ACSS CQB by TiborasaurusRex
  • Primary Arms 3X ACSS Compact Prism Scope

WARNING: This Product can expose you to chemicals which is known to state of California to cause Cancer and Reproductive Harm. For more information, see www.p65warnings.ca.gov

Ratings & Reviews

8 reviews

  • 3 stars
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  • 1 star
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Love the sight, not so much the mount.

by -

Love the sight itself, great clear optics. Weak part is the mount and mounting hardware. Got 300 and 556 versions, both became loose after moderate use.
<br>PA was very accomodating as usual- sent new screws, but I just went ahead and purchased american defence quick release mounts.

Excellent close and medium range scope fro AR pistol

by -

bought to replace Burris AR332 on my 10.5" AR 300BLK Pistol. The M2 reticle is excellent, however the aiming data tree in the manual will never match the shorter barrel and different ammo. So you have to generate your own aiming tree data using reticle subtends in a reconciliation process. Once zeroed for supersonic it can be directly applied to a subsonic using this table building process. I'd include it but you can't attach stuff here. Eye relief great for shouldering pistol. Reticle crisp and clean. Would be nice if it also had green illumination not just red. Anti-reflection device is a must option. The printed aiming tree data at 1.5" diameter fits snuggly inside the rear flip cover



Just put this on my blackout and it is perfect great price and will definitely be buying more for my next build.

My High Quality/Low Price Sight


I have one of these on my AK 47 and is my first PA Sight/Scope. It will not be my last. The build quality is excellent and it's "in-the-hand" feel is top notch. This 3X has quickly become my favorite powered Red Dot Sight. I love the ACSS Reticle.

Works Great with the new 200 grain .50 Beowulf bullet


After purchasing this scope I was pleasantly surprised to find that it works perfectly on my .50 caliber Beowulf. Using the new 200-Grain Frangible Inceptor ARX the ballistics are almost identical to a 762x39 123-grain bullet.

Works great with the New 200 grain .50 Beowulf.


After purchasing this scope I was pleasantly surprised to find that it works perfectly on my .50 caliber Beowulf. Using the new 200-grain flammable Interceptor ARX the ballistics are almost identical to a 762x39 123-grain bullet.

Highly recommended


I used a GDI mount and TX Weapons Systems Gen III Dog Leg along with a Magpul AK MOE .75" riser. Perfect combo for an AK. Very quick up close using a 7 yard target for a test. At 25 yards I was just as fast as with my AimPoints because of the large circle. Zeroed at 50 yards in 3 shots. With a 16" barrel and Wolf 124gr I needed to use the inside of the chevron at 200 yards as I suspected based on height over bore, velocity and BC. Once I confirmed that I was able to make hits on 2" dots at 200. Eye relief is way better than a TA31 but I do recommend the GDI mount to allow to offset the optic to the rear. There will be slight mount hang over if you use this config but I am a function over form guy. Overall I am impressed for the money. Glass is good enough, eye box is not finicky but I would not expect it to be with large exit pupil. Bottom line if you are on the fence about buying one of these do it. 3x is fast up close and enables way better utility at moderate distances.

Glad I purchased


Love the FDE that matches rest of rifle in 300 blackout. Scope was a little high at 50yds. Made adjustments that were right on. Good clicks. Moved it to 100yds. Dailed right in. Scope is clear. The reticle was easy to see no need to illuminate. Eye relief is short. Scope all the way back on rail. I have adjustable stock in one position from fully extended its perfect fit. Very happy. Will purchase another.