Preview: Primary Arms SLx Prism Scope

by
posted on October 18, 2020
** When you buy products through the links on our site, we may earn a commission that supports NRA's mission to protect, preserve and defend the Second Amendment. **
primary-arms-slx-1x20-prism-scope-f.jpg
While red-dot optics have become incredibly popular for use on a range of firearms, there are issues with employing such an optic, particularly for shooters who have some level of astigmatism. A red dot, when viewed through astigmatic eyes, can appear like a broad streak or a blot, and no level of quality in a red-dot sight will fix this view. However, mounting a prism sight like the SLx 1x20 mm Prism Scope from Primary Arms will address this issue while providing many of the same benefits as a traditional red-dot sight.

“We’re happy to bring a green-illuminated ACSS Cyclops reticle for fans of our SLx 1x prism,” says Terry Mears, Primary Arms’ director of product marketing. “Over the last few years, we’ve seen a huge increase in demand for optics with green illumination, and our SLx 1x Prism was the perfect platform for the technology.”

Both red and green reticles are available in the Primary Arms SLx Prism Scope lineup, and the optic is built with an enlarged eyebox that provides fast, easy viewing through the 1X lens. Combined with this is a 3.7" eye relief that allows shooters to stay back from the ocular lens and be more aware of their immediate surroundings.

Inside the Primary Arms SLx Prism Scope is a glass-etched reticle that can be used with or without battery illumination. There are 11 different illumination settings powered by a single CR2032 battery. On a mid-range setting, battery life can last up to 3,000 hours. All of this is packed inside a durable aluminum housing complete with a black, hard-anodized finish.

At the heart of the Primary Arms SLx Prism Scope is its ACSS Cyclops reticle, a patented design that offers several unique features. At the center of the reticle is a horseshoe-style design that allows for rapid target acquisition. Below that are helpful ranging icons. The width of the lines reflect the width of an 18" center-mass target at 200, 300 and 400 yards.

Suggested retail pricing on the Primary Arms SLx Prism Scope is $239.99. For more information, visit primaryarms.com.

Latest

Armed Citizen Podcast John Lott 1
Armed Citizen Podcast John Lott 1

Why the Murder Rate Quickly Fell to a Likely Historic Low

If the gun-control Left is to be believed, then the murder rate in the U.S. should be going up. After all, gun sales and ownership rates have been rising for the last few decades and anti-gun groups claim that gun ownership is the cause of violent crime. This, of course, is nonsense.

16 New Bolt-Action Rifles for 2026

From cutting-edge precision rifles designed for competition or hunting to traditionally styled guns that emulate designs from yesteryear, 2026 saw the introduction of an incredible array of bolt-action rifles.

Review: Chiappa Rhino 60DS 10 mm Auto

The Italian-designed-and-manufactured Chiappa Rhino remains unique today as the only current revolver with the barrel mounted at the bottom of the frame, firing from the chamber at the 6-o’clock position.

5 New Large-Format Pistols for 2026

There's been a huge surge in the large-format pistol category, and 2026 continues to showcase new models answering the wants and needs of today's firearm owners.

Short & Powerful: The EOTech Vudu 4-12x36 mm Super Short Riflescope

EOTech's ultra-compact 3-9x32 mm Vudu was a popular addition to the company's variable-powered riflescope line, and the new 4-12x36 mm Vudu ups the ante with new features in a still-compact package.

The Armed Citizen® May 11, 2026

Read today's "The Armed Citizen" entry for real stories of law-abiding citizens, past and present, who used their firearms to save lives.

Interests



Get the best of American Rifleman delivered to your inbox.