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Most Helpful Positive Review
Really fun, low recoil, and very accurate.
I purchased my AR-57 upper quite a while back but I just took it to the range today and thought I might as well review it. First off, the thing is just downright fun. 5.7 is a little more expensive per round but it's a pleasure shoot. I shot mine as it came from the factory and also suppressed, it's...
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Most Helpful Negative Review
No magazine!
This is the second one of these uppers I have ordered. The first one was from Aim Surplus when they first came back in stock in July of 2023. That one shipped with a 50 round mag. I enjoyed it so much that I ended up ordering a second one through Optics Planet. However it did not come with any magaz...
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Light PDW for ambi-shooters
I purchased this out of curiosity. Ammo prices have come down to $.40/round. Hopefully, they will drop to a more reasonable $.20/round based on their actual cost to manufacture. The upper had a very stiff action at first. I disassembled it, cleaned it up and regressed/lubed it. After repeated cycling, dry firing, and actual range trips, it is operating a lot smoother. Still not as smooth as an AR-15 action though. I paired this with a polymer lower and 3 lbs trigger with no uptake. This makes for a super light and fast shooting gun. Having 50 rounds onboard makes it a great truck gun option that can reach out and touch things at 150m. I've had one malfunction that was probably the ammo. I was firing Fiocchi rounds and it pushed the nose of the round back into the case during loading. I had to pull the magazine to extract the round. Other than that, this thing is a flat shooting beast that can pepper targets in the A zone at distance.
Pros:
- Light and fast shooting
Cons:
- No last round bolt hold open; stiff action at first
Best Used for:
- Truck gun; zombie squirrel suppression
Would recommend: Yes
dont show a pic that includes a MAG but then leave it out
not happy - the product picture clearly shows a magazine - yet none ship with the upper. if you dont include it - the show an EFFN picture without a mag or make it very clear the upper doesnt include it. i checked other stores and they show a mag and include a mag in the offer. this essentially means the price is really $50 higher than advertised.
Would recommend: No
2 of 9 found the following review helpful.
Great 5.7 upper.
I configured mine for an AR pistol home defense build. Plenty of capacity and less over penetration than 5.56.
Would recommend: Yes
2 of 3 found the following review helpful.
Not good, cant get muzzle device off
I was excited for this, neat concept but is just ok and the muzzle device will not come off(wanted to try it supressed)
Pros:
- Different
Cons:
- Muzzle device
Would recommend: No
3 of 11 found the following review helpful.
would not function
Unfortunately i took a chance buying the demo, it being a demo optics Planet say i can not return it. This upper was a complete dud it do not function everything i pull the trigger it jus click. I tried different mags different lowers still dont function. Wait of money do bot buy a demo
Would recommend: No
1 of 10 found the following review helpful.
Only negative is no magazine
Great product haven't tried it out. Down side doesn't ship with magazine. This company very anti high capacity magazines. Should have been shipped with at least a 10 round magazine. Now have to wait till i order the 50 round magazine. The magazine is the only reason i give it 2 stars
Would recommend: No
5 of 19 found the following review helpful.
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