The Primary Arms SLx MD-25 ACSS impressed NTOA evaluators during testing.

Members from the National Tactical Officers Association (NTOA) recently recommended the Primary Arms Optics SLx MD-25 micro red dot featuring the ACSS CQB reticle. The endorsement of the SLx MD-25 ACSS for duty-use came following extensive testing by NTOA officers.

NTOA Recommends Primary Arms SLx MD-25 ACSS CQB for Duty

The NTOA comprises one of America’s leading voices for law enforcement products and equipment. It leverages its own network of expert evaluators with real-world trials to evaluate gear. NTOA member tests include weeks of practical assessment. A concluding final score grades products according to at least six of 13 major evaluating criteria. Optics criteria include Design, Performance, Ease of Use, Size, Quality, Durability, Storage, Versatility, Convenience, Application, Comfort, Accuracy, and Cleaning & Maintenance. an optic must average a score of 3 across all criteria to pass. Products averaging 4-4.49 out of 5 earn a Silver rating.

The Primary Arms SLx MD-25 ACSS earned a coveted Silver rating, scoring 4.43. Evaluators agreed on the sight’s durability and ease-of-use, reported Primary Arms. Further, evaluators noted the 25mm aperture for target acquisition on quick engagements. Evaluators also expressed their appreciation for the ACSS CQB reticle. It combines a fast-acquisition horseshoe with a precise center chevron and BDC holdover dots. “Overall, this has become my favorite optic for its price range,” said one evaluator. “Its controls are very easy to use and large to be able to handle with gloves or under stress. … The optic seems to be very sturdy and exceeded my expectations.”

“The implementation of our ACSS-CQB reticle into the proven MD-25 red dot platform allows Primary Arms Optics to bring even more value, technology and versatility to the customer,” said Robert Sheets, Primary Arms Optics’ Director of Engineering. “The MD-25 ACSS utilizes cutting edge LED technology, premium coatings and high-grade materials packaged into a robust and durable package that performs well above its price point. We are proud that the NTOA recognized benefits in their evaluation.”

The SLx MD-25 ACSS retails for $189.99. For even more info, please visit

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