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Primary Arms SLx MD-25 Rotary Knob 1x25mm Microdot Reflex Sight
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$159.99
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Most Helpful Positive Review
Possibly one the best values in optics out there!
I have 3 of these mounted on PCC's and .223 rifles. My wife has a Gen 1 version and my brother purchased one of the Gen 2 versions for his girlfriend as well.
I only have around 500 rounds through the firearms with this optic. So, the only reason I am not giving 5 stars is that I cannot personal...
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Most Helpful Negative Review
BUYER BEWARE: If you plan to add a magnifier look elsewhere
I had two of these at one point. As standalone red dots they are great. Decent features, good price (especially if you get them when PA is liquidating old stock), though if you plan to add a magnifier then look elsewhere. I'd recommend the Sig Sauer Romeo family (some of which are made in the USA).
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Looks good, but panic purchase mostly
This is my 3rd Primary Arms optic. I usuay prefer etched reticle optics in case the battery dies but the price was too good to pass on this red dot.
It was mostly a panic buy due to California's new law AB1263 coming into effect Jan 1, 2026 restricting us from having accesories shipped to our home causing me to have backups for my backups. Many online retailers are simply refusing to ship anything to us out of fear of breaking this new vague law so gotta stock up and hope this law is challenged in court and reversed.
It uses a CR2032 battery which is the same as other optics, which I prefer. Again, haven't mounted it yet but will do so at a much later date.
It was mostly a panic buy due to California's new law AB1263 coming into effect Jan 1, 2026 restricting us from having accesories shipped to our home causing me to have backups for my backups. Many online retailers are simply refusing to ship anything to us out of fear of breaking this new vague law so gotta stock up and hope this law is challenged in court and reversed.
It uses a CR2032 battery which is the same as other optics, which I prefer. Again, haven't mounted it yet but will do so at a much later date.
Pros:
- Mount and lense covers included
- CR2032 Battery
- Wide window to acquire target
Cons:
- not sure yet
Best Used for:
- Short range and fast target acquisition
- home defense & plinking
Would recommend: Yes
Great Sight
This is the third one I've ordered.
It's a solid rugged Red dot that holds zero and works every time! You cannot get a better sight at this price!
It's a solid rugged Red dot that holds zero and works every time! You cannot get a better sight at this price!
Would recommend: Yes
3 of 3 found the following review helpful.
great optic!
I bought this for my .357 marlin, 1894.
And it made this gun so fun to shoot.
I got the ACSS reticle, sighted it in at 50 yards, and have no problem taking it out to 200 yards.
I also got one for my 10/22 takedown because of the unlimited eye relief.
Strongly recommend.
And it made this gun so fun to shoot.
I got the ACSS reticle, sighted it in at 50 yards, and have no problem taking it out to 200 yards.
I also got one for my 10/22 takedown because of the unlimited eye relief.
Strongly recommend.
Would recommend: Yes
2 of 2 found the following review helpful.
Simple, Budget, Robust
Mounted this on am PSA GF3 AK 47. Zeroed perfectly, then shot 150 rounds and it held zero fine. The only drawback is that I couldn't co-witness with my iron sights. Overall it is a very good budget friendly Reflex sight.
Pros:
- Robust and Clear
- Budget but not low quality
Cons:
- could not co witness
Best Used for:
- Rifles - .556, .308, .30 caliber rifles
Would recommend: Yes
2 of 2 found the following review helpful.
Five Stars
Perfect for what I need it for. Great value and quality.
Would recommend: Yes
1 of 1 found the following review helpful.
Primary Arms SLX
Good product for what it is. Everything seems crisp during sight in.
Would recommend: Yes
2 of 2 found the following review helpful.
Great optic for the price .
Great optic for the price . Clear sight picture and durable housing. The shake awake feature is fantastic.
Pros:
- Shake awake
- Durabilaty
- Clear crisp easy to zero
Cons:
- None
Would recommend: Yes
1 of 1 found the following review helpful.
useless if you have astigamatism
If you have an astigmatism, this is useless. Go with the Cyclops Gen 2 Prism scope. Even without astigmatism, the reticle is too small without a magnifier. Unless you are using the MOA ring for CQB or quick target acquisition for home defense. It is well built. Knobs turn easy. Auto Live is awesome. I can't give it a poor rating due to my own personal vision issues. It is a very nice product but just needs to be paired with a magnifier to maximize its intended use.
Would recommend: No
3 of 3 found the following review helpful.
Simple but functional
Perfect optic for a budget friendly build.. Easy to set up and install.. Great sight picture
Would recommend: Yes
2 of 2 found the following review helpful.
Great optic
Well built! Great optic for the price;holds zero very well.
Would recommend: Yes
1 of 1 found the following review helpful.
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