

Primary Arms SLx 3-18x50mm FFP Gen II Rifle Scope features a first focal plane (FFP) design that keeps the ACSS Athena BPR MIL reticle accurate at all magnification levels. This scope offers a versatile 3-18x zoom range paired with a 50mm objective lens, delivering improved light transmission and a larger eyebox for enhanced target acquisition in various lighting conditions. Its redesigned turrets provide a wider adjustment range with tactile and audible clicks, enabling precise windage and elevation corrections for long-range shooting up to 1,000 yards and beyond.
Built with a durable 30mm main tube, this scope is waterproof, fog-resistant, and shockproof to withstand demanding environments. The illumination system includes six brightness settings tailored for different scenarios, powered by a CR2032 battery. The updated magnification ring supports dovetail levers for quick adjustments using the Primary Arms Slide Mount Magnification Flip Lever. With a generous 35 feet field of view at 3x magnification and enhanced optical clarity, this Gen II SLx model is suited for precision shooting, tactical applications, and hunting where accuracy and reliability are critical.
Features
- FIRST FOCAL PLANE DESIGN ensures the ACSS Athena BPR MIL reticle stays true at all magnifications for accurate holdovers and ranging.
- 3-18X MAGNIFICATION RANGE offers flexibility from close quarters to long-range engagements beyond 1,000 yards.
- 50MM OBJECTIVE LENS improves light gathering for clearer images and a larger eyebox in low light conditions.
- ENHANCED TURRETS provide a wider adjustment range with tactile 0.1 MIL clicks and Easy Stop® zero reset for reliable precision.
- ILLUMINATED RETICLE features six brightness settings to adapt to varying lighting environments without overpowering the sight picture.
- DURABLE 30MM MAIN TUBE construction offers robust waterproof, fog, and shock resistance for dependable field use.
- MAGNIFICATION RING COMPATIBILITY with dovetail levers allows rapid zoom adjustments using Primary Arms flip lever accessories.
- LIFETIME WARRANTY provides long-term confidence backed by Primary Arms’ customer support.
Technical Specifications Table
Magnification | 3x - 18x |
---|---|
Objective Lens Diameter | 50mm |
Reticle | Illuminated ACSS Athena BPR MIL |
Tube Diameter | 30mm |
Field of View @ 100 yds | 35 ft (low) – 5.9 ft (high) |
Eye Relief | 3.5 in (low) – 3.9 in (high) |
Weight | 32.04 oz |
Length | 13.6 in |
Adjustment Click Value | 0.1 MIL |
Elevation Adjustment | 100 MOA |
Windage Adjustment | 64 MOA |
Illumination Settings | 6 Levels |
Battery Type | CR2032 3V Lithium Coin |
Water/Fog/Shock Resistant | Yes |
What’s in the Box?
- Primary Arms SLx 3-18x50mm FFP Gen II Rifle Scope
- Scope caps
- CR2032 3V Lithium Coin Battery
- User manual and warranty information
Customer Reviews
"Clear optics and precise adjustments make this scope ideal for long-range shooting. The illuminated reticle is easy to use in all light conditions."
"The turret feedback is excellent, and the reticle holds true across the entire magnification range as promised."
"Durable build with reliable tracking and a large eye box. Perfect for tactical setups and precision hunting."
FAQ
How does the first focal plane reticle benefit shooting accuracy?
Because the reticle scales with magnification, holdovers and ranging remain accurate at any zoom level, which simplifies making quick ballistic corrections without needing to recalibrate.
Is the illumination suitable for low light or nighttime use?
Yes, the scope features six brightness settings to adjust reticle illumination for dawn, dusk, or varying light conditions without obscuring the target.
How durable is the SLx 3-18x50mm Gen II for field conditions?
Its 30mm tube is waterproof, fog resistant, and shockproof. This makes it reliable for rugged outdoor environments, including hunting and tactical use.
Are the turrets resettable to zero after adjustments?
Yes, the Easy Stop® functionality allows you to return turrets to zero easily, ensuring consistent accuracy after sighting in.
How does this scope compare with the previous Gen I model?
The Gen II offers improved optical clarity, increased adjustment range, better turret feel, and supports dovetail levers for quicker magnification changes, enhancing overall performance and usability.
Similar Models
Explore other options within the Primary Arms SLx series, such as the 4-14x44mm scope for balanced magnification and compact design, or the 5-20x50mm Gen III offering enhanced precision for advanced shooters. Browse the full Primary Arms SLx collection to find optics tailored to your specific shooting and hunting needs.
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