Prism Device Primary Arms SLx 5x Micro Prism iR Red ACSS Aurora 5.56/.308 Yard

SLx prismatic devices combine the fast target acquisition of a red dot, the precision of an optical device, and compact dimensions — making them a top choice not only for people with astigmatism but also for shooters seeking a versatile device for medium- and long-range shooting.

The American brand Primary Arms, known for its high-quality optics, red dots, prismatic devices, and shooting accessories, has rapidly conquered the US market with an outstanding price-to-performance ratio. Most products come with a lifetime warranty, highlighting the brand’s confidence in its quality. Primary Arms is also famous for its proprietary ACSS reticle, which helps novice shooters improve their accuracy quickly.

Primary Arms — American shooting optics with a lifetime warranty

Features of the prismatic device Primary Arms SLx 5x Micro Prism ACSS Aurora 5.56/.308 Yard:

• Compact size and lightweight,
• multi-coated optics for improved light transmission,
• patented ACSS Aurora reticle calibrated for 5.56 and .308 ammunition with yard-based markings,
• large eye relief and wide eyebox for comfortable head positioning without precise alignment,
• wide field of view for engaging moving targets,
• Daylight Bright mode for shooting under intense sunlight,
• 13 daylight brightness settings + 3 night-vision settings,
• quick-focus ring for easy reticle adjustment,
• red illuminated aiming point,
• sealed housing resistant to fog, rain, and shock,
• 0.25 MOA tactile and audible turret clicks for easier zeroing,
• long battery life up to 29,000 hours on CR2032 at medium brightness,
• AutoLive motion-sensor power system,
• optional 8-position mounting height including Absolute and Lower 1/3 Co-witness,
• etched glass reticle ideal for astigmatic users, visible even without illumination,
• multi-layer anti-reflective lens coating,
• matte hard-anodized anti-glare finish,
• includes reinforced Picatinny mount and lens covers,
• covered by a lifetime warranty.

Primary Arms SLx 5X MicroPrism is a compact 5× prismatic device from the renowned SLx line, known for its reliability, innovation, and excellent value. Field-tested on the SCAR 17 .308 Win rifle, it endured over 7,000 rounds without damage. The SLx 3x features an improved ACSS Aurora 5.56/.308 reticle etched on premium low-dispersion glass and a reinforced mounting base for stability and durability.

The SLx 5x is a prismatic device with 5× magnification that enables clear long-range target identification and both-eyes-open shooting at close range. Many shooters with astigmatism find red dots blurry or distorted. This can be solved by switching to a prismatic device offering clear, parallax-free images and enhanced precision, while maintaining situational awareness.

Primary Arms SLx 5X MicroPrism — a 5× prismatic device ideal for users with astigmatism

The device features a sealed aluminum housing rated IP67, resistant to fog, rain, and shock. Its large exit pupil and wide eyebox allow fast alignment without perfect positioning, making the SLx 5X ideal for dynamic shooting. The ACSS Aurora 5.56/.308 reticle is glass-etched, visible without illumination, and includes a metric scale for distance estimation. The red illumination (horseshoe and chevron) offers 13 daylight and 3 night-vision levels. The AutoLive motion sensor extends battery life up to 29,000 hours, turning off illumination when idle and instantly reactivating it with movement.

ACSS Aurora is an innovative BDC reticle featuring a lit chevron, windage, and distance markings for intuitive, quick corrections. This multifunctional and user-friendly system is appreciated by both novice and experienced shooters worldwide.

The SLx 5X MicroPrism includes a solid aluminum mount with steel-reinforced parts for a secure zero. Optional risers allow eight different mounting height configurations.