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After rigorous field testing, this optic has been given a Silver-tier rating by the National Tactical Officers Association.
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 Primary Arms 1X Compact Prism Scope with ACSS Cyclops reticle combines the durability and flexibility of an etched reticle with the speed and ease of use of a red dot. Unlike most prism optics, the 1X Compact Prism Scope has a generous 3.7 inches of eye relief combined with a massive 13mm exit pupil to provide an exceptionally forgiving eye box. This allows for a high degree of efficiency in red dot-style shooting, keeping both eyes open for fast target acquisition in a variety of positions and circumstances that no other prism scope can touch. The 1X Compact Prism Scope’s included 1913 MIL STD Picatinny rail mount is removable, and the scope body is compatible with industry standard microdot mounts.
- Silver-rated by the NTOA!
- Glass etched reticle that works with illumination on or off
- Full reticle illumination with 11 brightness settings up to daylight bright
- CR2032 battery provides up to 3,000 hours of reticle illumination at medium settings
- Forgiving eye box with nearly 4” of eye relief, and a bright 13mm exit pupil
- Patented ACSS Cyclops reticle provides fast target acquisition, range estimation, and moving target leads out to 400 yards.
- Quick adjust diopter ring for shooter-optimized reticle focus
- ½ MOA click adjustments with capped turrets
- Compact design at just 4” long and 9.7 ounces
- Uses industry standard microdot mounts
- Wide 76.3-yard field of view at 100 yards
- Durable design for fog resistant, waterproof, and shock proof operation
- Black hardcoat anodized finish
- Protected by a lifetime warranty
At the heart of the 1X Compact Prism Scope is the new etched-glass ACSS Cyclops reticle. A heavy horseshoe makes rapid acquisition and reflex sight style snap shooting a breeze, especially when used in conjunction with the red reticle illumination. When speed is less important, the center chevron tip offers an infinitely precise point of aim that won’t cover the target, allowing for remarkable accuracy at long distances. Snap shots and precise hits aren’t the only tricks up this reticle’s sleeve, either! The edges of the horseshoe double as moving target leads, allowing for improved first shot hit probability on mobile targets. To account for the worst-case scenario, the etched reticle remains visible in black even when the scope loses power. Batteries are only needed for the full reticle illumination, giving you the flexibility of a high-contrast sight picture in the brightest of conditions.
The etched ACSS reticle combined with the fast focus eyepiece make this optic an excellent option for shooters with astigmatism. Red dots simply project an LED beam that reflects off glass back towards the shooter’s eye. The smaller the dot size, the more difficult it can be for the brain to resolve the shape, especially when combined with eye issues. This can lead to shooters perceiving the red dot as starbursts, comet tails, and a host of other distracting or obtrusive shapes depending on the shooter’s eye. Etched reticles and prism scopes don’t have this problem, and by adjusting the fast focus ocular ring, a perfectly crisp view of the reticle can be achieved for anyone. A clear sight picture will lead to more confident hits and better accuracy at further distances than ever before.
The 1X Prism Scope body is just as tough as the rest of our proven line of prism rifle scopes. During durability testing, the 1X Prism Scope outlived not one, but TWO piston-driven .308 Winchester rifles, selected specifically for their reputation for driving optics to failure. Combine that toughness with waterproof construction and nitrogen purging for fog resistance, and the 1X Prism Scope is an optic you can trust whether you’re a weekend plinker, a competitive ace, or a hunter in the field. Each optic is finished with a tough Type III hardcoat anodized black finish to keep your scope looking great for years.
The Primary Arms 1X Prism Scope is shipped with a riser mount that results in a centerline height of 1.41”, the standard height of an AR-15 platform front sight. A low base (1.05” to centerline) is also available as an accessory, which is useful for mounting to an AK-47 or other rifle with a stock located lower than the optics rail. In addition to these two mounts, two spacers are available for purchase to accommodate different applications and shooter preferences. When used with the riser mount they will result in a height to center line of 1.535”and 1.64”.
The 1X Prism Scope is compatible with all industry standard microdot style mounts, including QD options such as the popular American Defense AD-T1 series. When choosing a mount, note that the height from centerline of the scope to the surface where the mount attaches is .25” taller than a typical 20mm microdot. Therefore, if a mount normally results in a 20mm microdot sight height of 1.41”, installing it on the Primary Arms 1X prism scope will result in a taller height of 1.66”.
The PA1X prism scope is not a red dot sight. It is a prism scope, meaning that the reticle is visible regardless of battery power. The etched ACSS Cyclops reticle works more like a typical rifle scope than a red dot. Magnifiers will work with PA1X when placed in the standard configuration behind the PA1X. Special attention will need to be paid to focusing the magnifier on the reticle ensuring it is crisp and clear. This configuration can be used without introducing parallax or point of aim shift. In addition to the configuration described above a typical magnifier can be placed in front of the PA1X prism scope, however it will introduce a large amount of point of aim shift, parallax and overall unreliability of the optical system. It is not recommended to be used in this configuration.
Due to the fundamental nature of the PA1X prism scope’s optical system, it operates differently than a typical red dot. It can be used in line (co-witness) with iron sights like a typical red dot. When placed in line with iron sights the front sight can be visible through the scope. However, the iron sights should be zeroed while in line with the PA1X to account for any point of aim shift introduced by having the PA1X in line with the iron sights. It should also be noted that co-witnessing of iron sights is not necessary with the PA1X like it is with a red dot sight, because the ACSS Cyclops reticle is always visible regardless of battery voltage or even having a battery installed.
The Primary Arms 1X Compact Prism Scope with ACSS Cyclops reticle is the smart alternative to red dots for shooters with astigmatism or other eye issues, or shooters who want advanced ACSS reticle features in a true 1x optic. This product is covered by the Primary Arms Lifetime Warranty.
Battery Type: CR2032 3V Lithium Coin
Brand: Primary Arms
Click Value: 1/2 MOA
Eye Relief: 3.70 in
Field View 100: 76.30 ft
Manufacturer.: Primary Arms
Night Vision Compatible: Non-Compatible
Reticle: ACSS Cyclops
Total Elevation Adjustment: 50 MOA
Total Windage Adjustment: 50 MOA
Turret Features: Capped Turrets, Tool Adjustable
Type: Fixed Magnification
Weight: 9.7 Oz