*CONTACT US FOR A SPECIAL COUPON CODE!*
Primary Arms SLx 3X MicroPrism PA-SLX-3XMP-RAPTOR-5YP-FDE (Flat Dark Earth version with Red Illuminated ACSS Raptor 5.56/.308 Yard reticle).
This is the FDE Cerakote variant of the popular 3x fixed-power model in Primary Arms' ultra-compact SLx MicroPrism series. It delivers true 3x magnification in a lightweight, minimal-footprint package that's smaller and lighter than many red dots, while providing the durability and etched reticle of a prism optic. The ACSS Raptor reticle is specifically calibrated for 5.56/.223 and .308 Winchester with yard-based ranging and holdovers, making it an excellent choice for AR-15, carbine, or DMR-style builds needing quick close-range speed plus mid-range precision (effective out to 500–600+ yards depending on caliber and shooter).
Key Features & Specs
- Magnification: Fixed 3x.
- Reticle: Etched ACSS Raptor 5.56/.308 Yard (5YP) with red illumination. Features a bold horseshoe for fast acquisition, a precise center chevron, and integrated ranging brackets plus holdover points calibrated in yards for both 5.56 and .308. The etched design remains visible even with illumination off or battery dead.
- Illumination: 13 brightness settings (including daylight-bright levels) + 3 night vision compatible settings. AutoLive® motion-sensing technology turns the illumination on with movement and off after inactivity to maximize battery life. Powered by one CR2032 battery (included).
- Optics: 23mm objective lens, 7.4mm exit pupil. Field of view: 38.0 feet at 100 yards. Clear glass with broadband anti-reflective coatings.
- Adjustments: 1/4 MOA click value. Total travel: 80 MOA elevation and 80 MOA windage. Exposed, low-profile, tool-adjustable turrets.
- Eye Relief: 2.70 inches (forgiving for a prism optic with a usable eyebox).
- Mounting: Includes a modular mount with multiple height configurations (supports absolute co-witness, lower 1/3, etc.). Compatible with Trijicon Mini-ACOG footprint mounts and Primary Arms MicroPrism accessories. Removable 1913 Picatinny base.
- Build Quality: Hardcoat anodized aluminum housing with durable Flat Dark Earth (FDE) Cerakote finish. Shock-resistant, fogproof, waterproof. Adjustable diopter for reticle focus. Includes flip-up lens covers.
- Size & Weight: Ultra-compact — Length: ~2.95 inches (varies slightly by listing; ~75 mm). Weight: 7.95 oz (225 g) with battery and mount.
- Additional: Lifetime warranty from Primary Arms. Nitrogen-purged. No parallax issues common with some red dots. Excellent for users with astigmatism.
The 3x MicroPrism strikes an ideal balance between the speed of a red dot and the precision of a low-power variable or ACOG-style optic. The Raptor reticle simplifies ranging and holdovers for common rifle calibers without needing to dial turrets constantly. Users and reviews highlight the clear glass, intuitive reticle, reliable AutoLive function, positive turrets that track well, and how the compact size keeps the rifle agile. The FDE finish matches popular tan/FDE builds perfectly. Some note the eye relief benefits from a consistent cheek weld, and the 3x magnification makes it more versatile than the 1x model for mid-range work.
Who It's For
- AR-15 / carbine owners wanting 3x magnification with built-in 5.56/.308 BDC/ ranging in a tiny, lightweight package.
- Shooters with astigmatism seeking an etched-reticle alternative to red dots.
- Tactical, home defense, competition, or hunting users who prefer yard-based holds and FDE aesthetics.
- Builds pairing with magnifiers (though less common on a 3x) or as a standalone mid-range optic.
