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Aero Precision Nylon Tipped Tension Set Screw
$10.00 $9.99
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Most Helpful Positive Review As expected
This Aero Precision nylon tipped tension set screw took a few weeks to get in but I was ordering to have a couple extra anyway. It did not fit in my Spikes lower but all the other lowers seem to be standardized. I called Spikes and they sent me a rinky dink tension screw but it worked.
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Works perfect

by Ethan Ball, Verified Owner from ID, United States Written on March 7, 2025
For being such a tiny part this thing makes all the difference. After installing thit fit between my upper and lower receiver is nice and tight and no more annoying rattle. Would definitely buy this product again for my next build.
Would recommend: Yes
Was it helpful to you? Yes | No

Nylon Tipped Tension Set Screw

by Ken J, Verified Owner from SD, United States Written on October 12, 2024
This is a great addition to your lower. My understanding is that it will improve accuracy by securing and aligning the upper to the lower and prevent scope misalignment. Make sure your lower is fitted with the threaded channel below the rear takedown pin. If you don't see the channel, then your lower wasn't made with this feature and you can't screw this set screw up through the channel above the grip (grip must be removed to install). Consider an Accu-wedge if you don't have this feature manufactured with the lower.
Would recommend: Yes
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Aero Precision Nylon Tipped Tension Screw

by johnchip, Verified Owner from CT, United States Written on September 24, 2024
I bought the Aero Precision Nylon Tipped Tension Screw as a spare part but I ended up using for my SCO-15 lower receiver as it doesn't come with one. It fit perfectly and works as expected. Definitely would recommend it and will buy it again because it is always good to have a spare.
Would recommend: Yes
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Great product

by Scooter, from WI, United States Written on March 31, 2024
Don't know why apf folders don't come the tensioner screw? So I order this one from optics planet(aero p part) fit perfect so off we go
Would recommend: Yes
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Super inexpensive yet makes a difference

by Robert M, Verified Owner from GA, United States Written on June 14, 2023
This little screw tales up the slack between upper and lower receiver and turns a rattly AR into a tight fitting and quality feeling firearm. I'm not sure it will help accuracy but hey, can't hurt. Best $2 spent on my AR
Would recommend: Yes
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If you need this, and have the correct lower, this is great

by Michael, from OR, United States Written on November 12, 2021
There are a few lowers that have a tension screw hole to ensure you upper does not 'rattle' against the lower. Mine didn't come with one, so a bit of research I came across this one. Works great and does what it is supposed to.
Would recommend: Yes
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Does what it needs to do

by Koal, Verified Owner from TX, United States Written on August 26, 2021
Simple part, we all know what it does. Helped tighten up lower to upper fitment. Works for lowers that are machined for these type tensioning screws. Literally nothing more to say! So I’m just making words to hit the minimum required now.
Would recommend: Yes
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they do the job

by David, Verified Owner from NM, United States Written on July 15, 2021
great little product that helps tighten the tolerances between the upper and lower. i got two of these for both my builds and i must say its a necessity. i appreciate whoever thought about this nifty little thing.
Would recommend: Yes
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