Tactical Reviews

Primary Arms SLX Compact 1×20 Prism Scope Review

This is a comprehensive Primary Arms slx compact 1×20 prism scope acss-cyclops review that covers the pros, cons of Primary arms slx compact 1×20 prism scope.

The Primary Arms SLX scope is among the best of the lineup. It is a trusted optics that is designed to meet the different demands of shooters. This scope comes with an ACSS Cyclops reticle that provides fast target acquisition, range estimation, and moving target leads out to 400 yards. It combines the durability and flexibility of an etched reticle with the speed and ease of using a red dot.

Primary Arms SLX Compact 1×20 Prism Scope Review

Unlike other prism optics, the SLX 1X Compact Prism Scope has a generous 3.7 inches eye relief and a massive 13mm exit pupil that provide an exceptionally forgiving eye box. As a result, it allows for high-level efficiency in red dot-style shooting, keeping both eyes open for fast target acquisition in different shooting positions and circumstances.

In addition, this prism scope also comes with an included 1913 MIL STD Picatinny rail mount that the user can easily remove.  The scope body is compatible with industry-standard microdot mounts, which makes it highly convenient and reliable.


  • The scope has a 1x magnification
  • It is made of a rugged and durable design with a 6061 aluminum, waterproof, nitrogen purged, and fog-resistant construction
  • The SLX compact prism scope includes (Bullet drop compensation) BDC compatible with .223 Rem/5.56 NATO, 5.45x39mm, and .308 Win/7.62 NATO out to 400 yards and 7.62x39mm and 300 BLK out to 300 yards. It offers automatic range estimation in the horseshoe and chevron arrangement
  • It has an advanced, etched, and illuminated (on and off) reticle as well as an adjustable ocular that ensure a crisp and clear sight picture, even for shooters with astigmatism
  • The Primary Arms 1x Prism Scope comes with a removable 1913 MIL STD Picatinny rail mount, and flip-up lens covers
  • It is powered by a CR2032 battery offering up to 3,000 hours of reticle illumination at medium settings
  • The scope has a quick-adjust diopter ring for shooter-optimized reticle focus
  • A lifetime warranty covers the prism scope in case of defects due to materials, workmanship, or normal wear and tear
  • It has a 1/2 MOA click value with capped, tool-adjustable turrets and 3.70 in eye relief
  • It provides a wide 76.30 ft field of view at 100 yards.
  • Lightweight: 7 ounces


  • This SLX prism scope is unisex hence can be used by both male and female adults
  • It has a lightweight, rugged design that is easy to use even in harsh weather conditions


  • It is non-compatible with night vision, thus limits you to daytime use


The Primary Arms Prism Scope is made in a lightweight yet durable and rugged design that provides a fog-resistant, waterproof, and shockproof performance. It is also hard coat anodized with a tough ceramic topcoat, hence withstanding the field’s rough use and harsh conditions.

The Primary Arms 1X Compact Prism Scope also ensures that your eyes and eyebrows are protected from heavy recoil, which is bound to be experienced when shooting with high-power rifles. In addition, this scope is easy to operate with total control and maneuverability with a lightweight of below ten ounces.