Primary Arms SLx 3-18x50 FFP Gen II Rifle Scope features a first focal plane (FFP) design, allowing the illuminated ACSS HUD DMR .308 reticle to maintain accurate holdovers and range estimations across the entire 3-18x magnification range. The 50mm objective lens improves light transmission for enhanced clarity and a wider eyebox, supporting precision shooting in diverse lighting conditions. Redesigned turrets provide increased adjustment range with tactile, audible clicks, along with Easy Stop® return-to-zero functionality for quick, reliable zeroing.
Incorporating a 30mm main tube, this scope supports dovetail levers on the magnification ring for compatibility with Primary Arms’ Slide Mount Magnification Flip Lever. The ACSS HUD DMR reticle offers integrated ranging, wind hold, and bullet drop compensation tailored to .308 Winchester loads, extending effective engagement out to 1,000 yards. Built for durability, the scope is waterproof, fog-resistant, shock-resistant, and backed by a lifetime warranty, making it a dependable choice for tactical and precision rifle applications.
Features
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FIRST FOCAL PLANE RETICLE maintains true subtensions at all magnifications for precise holdovers and range estimation.
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ILLUMINATED ACSS HUD DMR .308 RETICLE provides integrated rangefinding, wind holds, and bullet drop compensation up to 1,000 yards.
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3-18X MAGNIFICATION offers versatile target engagement from close to long distances with clear optics.
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50MM OBJECTIVE LENS enhances light transmission and provides a larger eyebox for improved target acquisition.
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IMPROVED TURRETS with increased adjustment range, tactile and audible clicks, plus Easy Stop® return-to-zero feature.
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30MM MAIN TUBE supports mounting accessories and adds structural durability.
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DOVETAIL LEVER COMPATIBILITY on magnification ring enables quick magnification changes using Primary Arms’ flip lever.
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RUGGED CONSTRUCTION is waterproof, fog resistant, shock resistant, and backed by a lifetime warranty for reliability in all conditions.
Technical Specifications Table
Specification |
Details |
Magnification |
3x - 18x |
Objective Lens Diameter |
50 mm |
Reticle Type |
Illuminated ACSS HUD DMR .308, First Focal Plane |
Tube Diameter |
30 mm |
Eye Relief |
3.7 in |
Field of View (at 100 yds) |
35 ft (3x) – 5.9 ft (18x) |
Elevation Adjustment |
100 MOA |
Windage Adjustment |
64 MOA |
Turret Features |
Tactical/Target Profile, Finger Adjustable, Locking, Easy Stop® |
Illumination Settings |
6 brightness levels |
Length |
13.6 in |
Weight |
32.4 oz (with battery) |
Battery |
CR2032 3V Lithium Coin |
Water Resistance |
Waterproof, Fog Resistant, Shock Resistant |
Warranty |
Lifetime |
What’s in the Box?
- Primary Arms SLx 3-18x50 FFP Gen II Rifle Scope
- Battery (CR2032 3V Lithium Coin)
- Lens Covers
- User Manual
Customer Reviews
“Great clarity and reliable reticle performance at all magnifications. The tactile turrets make adjustments easy in the field.” – J. Harris
“The ACSS HUD DMR reticle really helps with range estimation and bullet drop compensation out to long distances.” – M. Nguyen
“Durable and well-built scope that holds zero through recoil. Perfect for precision shooting with my .308.” – K. Patel
FAQ
How does the first focal plane reticle benefit shooting accuracy? The reticle scales with magnification, so holdovers and range estimations remain precise regardless of zoom level. This is essential for engaging targets at varying distances without recalibration.
Is this scope suitable for long-range shooting with a .308 rifle? Yes, the scope is optimized for .308 Winchester loads, with a reticle capable of bullet drop compensation and wind holds up to 1,000 yards, making it ideal for tactical and precision applications.
What maintenance is required to keep this scope functioning reliably? Basic care includes keeping lenses clean and free of debris, checking turret functionality periodically, and storing the scope in a dry environment. The robust waterproof and fog-resistant construction reduces the need for extensive maintenance.
How does this scope compare to other mid-power rifle scopes? Its combination of an illuminated ACSS HUD DMR reticle, improved turrets, and large objective lens offers enhanced clarity, extended range capabilities, and user-friendly adjustments compared to standard mid-power optics.
Can the magnification ring be adjusted quickly in tactical situations? Yes, the updated magnification ring accepts dovetail levers, compatible with Primary Arms’ Slide Mount Magnification Flip Lever, enabling rapid magnification changes under stress.
Similar Models
Explore the full range of Primary Arms SLx optics designed for precision and tactical use. Consider models like the SLx 5-25x56 FFP for extended magnification and low-light capability or the SLx 1-8x24 for close-quarters versatility. Browse our complete Primary Arms collection to find the ideal rifle scope tailored to your shooting needs.