Primary Arms
Primary Arms SLx 3x MicroPrism
Compact 3x prism optic with ACSS Raptor reticle
Quick Specs
- Price
- $232
- Weight
- 8 oz
- Brand
- Primary Arms
- Category
- optic
Features
- •Fixed 3x
- •ACSS Raptor reticle
- •Prism design
Capability Boosts
Recommended For
+3 more
Where to Buy
Compare current prices and availability from retailers we work with.
Primary Arms SLx Series MicroPrism Red Dot Sigh, 3x, ACSS Raptor 5.56 YP Illuminated Reticle, Black, 710036
Price History
90-day low $349.99Compatibility Tags
Overview
The Primary Arms SLx 3x MicroPrism combines a compact prism footprint with fixed 3x magnification and an etched reticle that remains visible even without battery power. At 7.95 oz and under 3 inches long, the MicroPrism delivers a useful middle ground for shooters who want more reach than a red dot without the bulk of an LPVO.
The prism optical design offers a critical advantage for shooters with astigmatism. Unlike red dot sights that can appear as blurry starbursts to astigmatic eyes, the etched glass reticle of the MicroPrism remains crisp. This black, red-illuminated model uses the ACSS Raptor 5.56/.308 yard reticle, with ranging and ballistic holds for common .223/5.56 and .308 loads.
With its compact size, the 3x MicroPrism excels in roles where a traditional LPVO is too heavy or bulky: patrol carbines, truck guns, and compact defensive rifles. The fixed 3x magnification works best from intermediate distances out to several hundred yards, while the included multi-height mount makes it easy to set up on AR-height rails or lower comb-height hosts.
Key Features
- Ultra-compact prism design - red dot size with 3x magnification
- Etched ACSS Raptor reticle visible without battery
- Automatic ranging using horseshoe and BDC holdovers
- Ideal for shooters with astigmatism - crisp reticle
- Ultra-wide field of view for rapid target acquisition
- 13 illumination settings including 3 night vision compatible settings
- Eight mounting height options with included hardware
- CR2032 battery with AutoLive motion-sensing illumination
- Waterproof, shockproof, and fogproof construction
- Lightweight at 7.95 oz
Pros
- +Perfect solution for shooters with astigmatism
- +Extremely compact and lightweight for magnified optic
- +Etched reticle works without battery
- +ACSS reticle simplifies ranging and holdovers
- +Wide field of view rivals 1x optics
- +Extremely forgiving eyebox
- +Excellent value at current sale pricing
- +Included mount supports multiple heights
Cons
- −Fixed 3x magnification - no variable option
- −Limited to ~400 yards effective range
- −Some users find 3x too much for close quarters
- −Prism design creates slight tunnel vision effect
- −Not ideal for precision long-range work
Detailed Specifications
- Reticle
- ACSS Raptor 5.56/.308 Yards (etched, illuminated)
- Magnification
- 3x (fixed)
- Objective Diameter
- Prism optic
- Eye Relief
- 2.7 inches
- Field of View
- 38 ft @ 100 yds
- Adjustment Type
- 0.25 MOA per click
- Adjustment Range
- 80 MOA elevation / 80 MOA windage
- Battery Type
- CR2032
- Length
- 2.95 inches
- Material
- 7075-T6 aluminum
- Waterproof Rating
- Yes (IPX7 rated)
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Build Your Custom Configuration
Add the Primary Arms SLx 3x MicroPrism to your build and see how it enhances your platform.