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First Look: Primary Arms Optics New SLx 1-10x28mm SFP LPVO

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NEW from Primary Arms comes the SLx 1-10x28mm Second Focal Plane LPVO coming with two ACSS reticle options.

Both optics have an MSRP of $450.

Features include 11 illumination options, including 2-night vision settings, 34mm main tube, and 40 MOA of windage and elevation adjustment.

Reticle options are Primary Arm’s ACSS Raptor 5.56 M10S BDC that give BDC markings for 5.56 NATO and .308 Winchester out to 800 yards.

If you want a more versatile MIL reticle, Primary Arms also offers the ACSS Griffin MIL M10S.

Both reticles include auto-ranging marks, wind hold marks, and precision aiming points.

“As LPVO technology gets better and better, the optics become more and more versatile,” says Stephen Morgan, Product Marketing Director for Primary Arms Optics. “We have developed our new SLx 1-10 with the do-all, universal rifle in mind. Fast and wide at 1x and ultimate precision at 10x, it is the perfect fit for your next do all rifle build at an affordable price.”

Primary Arms SLx 1-10x28mm SFP Rifle Scope
Primary Arms SLx 1-10x28mm SFP Rifle Scope

The SLx line promises to be a strong contender for the more budget-oriented buyer. A 1-10x magnification range will hopefully allow longer ranged shooting and more flexibility. 


  • Battery Type: CR2032 3V Lithium Coin
  • Click Value: .5 MOA
  • Exit Pupil Diameter: Low: 9mm / High: 2.8mm
  • Eye Relief: Low: 3.2 in / High: 3.5 in
  • Field View 100: Low: 110 ft / High: 10 ft
  • Focal Plane: Second Focal Plane
  • Illuminated: Partial Illumination
  • Length: 10.5 in.
  • Magnification: 1X – 10X
  • Night Vision Compatible
  • Objective Diameter: 28mm
  • Optic Series: SLx
  • Reticle Colo:r Red
  • Total Elevation Adjustment: 40 MOA
  • Total Windage Adjustment: 40 MOA
  • Tube Diameter: 34mm
  • Weight: 19.1 oz.

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