Product Description
This Primary Arms MicroPrism is part of the SLx optics line. SLx optics built their reputation for innovation, reliability, and value. All SLx optics undergo rigorous field-testing during development to best serve you in any environment.
The SLx 3x MicroPrism is an all-new advanced optical system that combines the compact, lightweight size of a microdot with the durability and precision of a 3x magnified optic. The SLx 3x MicroPrism offers 13 illumination settings with AutoLive® motion-sensing on/off technology and multiple night vision compatibility options.
Weighing under 8oz, the SLx 3x MicroPrism is smaller and lighter than many red dot sights, though its crystal-clear glass and 3x magnification offer improved precision at distance. Even in close-quarters, the optic’s wide field-of-view and forgiving eye relief make it easy to snap on target.
Because the SLx 3x MicroPrism uses an etched reticle with adjustable diopter, the user will always have a clear, crisp reticle image, even if they have severe astigmatism. When set to max illumination, the MicroPrism reticle is fully daylight bright. For low-light, this optic offers 3 different NV-compatible settings, accommodating any ambient light level. Paired with the AutoLive® motion-sensing illumination technology, this optic provides an exceptionally long runtime at any brightness setting.
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Microprism
I’ve owned 3 Primary Arms optics before getting this one and have shot well with them over the last few years (a gen1 Slx ACSS Gemini 1x Microprism, a gen2 Slx ACSS green reticle 1x Microprism, and a rifle scope a few years back I can’t remember the model of). I’ve had good luck with them, especially the Microprisms as I have a mild astigmatism which makes standard red dots starburst or double-vision bad enough that they aren’t usually useable with any acceptable accuracy (SIG ROMEO5 and a few of the Holosun line are a bit better for my eyes than other red dots).The Slx optics are robust and very well designed. This 4th purchase is easily my favourite of all of the PA products I’ve owned. The 3x is just perfect on my Ruger PC Carbine. Good FOV and moderate eyebox for a prismatic sight. The reticle on the one I got is the 7.62x39/300Blk and seems to be slightly bigger than even my gen2 1x. It is perfect for my eyes and this thing is superb in that respect, as well as very lightweight and compact. The only shortcoming of this optic is that the eye relief is short, coming in under 3”. It doesn’t require an “eye weld” like an ACOG, and is slightly more forgiving, but the design of Microprisms is such that longer eye-relief is difficult to achieve with the way they work optically. It’s just a trade off. You aren’t going to get eye/relief anywhere near a standard red dot, or the magnification of an LPVO but the other features of this Microprism definitely make up for having to mount it further back on your rifle’s rail. All in all this 3x is a total winner in my books, hitting the sweet spot between my previous 1x versions and the soon to be released 5x version, allowing fast target acquisition close-up and just enough magnification for decent groups at 100yds and acceptable hits out to 150 and even 200yds. It’s not a scope, and it’s not a red dot. It a great compromise between the two and the etched reticle means it works with or without batteries, eliminating the need for BUIS or an offset secondary backup dot. Overall I’m really impressed with the sheer usability of this thing on a wide variety of rifle platforms. It just works, and works well. I’ll be buying another of these in FDE when I find one, and my two 1x versions will go on two of my shotguns, with the horseshoe of the reticle being great for shot spread patterns at 10yds. This 3x microprism is where it’s at for performance and quick accuracy at close to medium range, and is going to be very tough to beat for CBQ platforms where you may need to reach out a bit further occasionally. 8/10, with 10 being this optic with longer eye-relief and variable zoom. Maybe PA will have something like that in the years to come. Until then, this thing rules the roost
