Primary Arms SLX 3-18×50 FFP Athena Riflescope

The Primary Arms SLX 3-18×50 FFP Athena Riflescope (Primary Arms part no. 610186) is built for shooters who want a true first focal plane precision scope without the flagship price tag. The Athena reticle scales accurately at any magnification within the 3-18x range, letting shooters range and hold over correctly whether they’re at the low or high end of the zoom. A 50mm objective keeps the sight picture bright at full magnification, making this scope a solid choice for both precision rifle competition and long-range hunting.

Key Specifications

• 3-18x magnification range spans mid-range to long-range precision shooting distances.
• 50mm objective lens keeps the image bright even at the top of the magnification range.
• Built in the first focal plane (FFP), keeping the Athena reticle’s subtensions accurate at any power setting.
• Uses Primary Arms’ Athena reticle for precise holdover and windage reference.

Frequently Asked Questions

Why does first focal plane matter for this scope? The Athena reticle’s holdover and ranging marks stay accurate whether you’re at 3x or 18x, not just one fixed power.

What is this scope’s objective lens size? 50mm, chosen to keep the image bright through the top of the 3-18x range.

Buy the Primary Arms SLX 3-18×50 FFP Athena Riflescope

Get true first-focal-plane precision without the flagship-scope price. Order the Primary Arms Optics SLX from our gun scopes lineup, ships fast from our Lubbock, Texas gun shop.