How to Assemble AR15 Lower - Aero Precision Lower and Parts Kit
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- Опубликовано: 31 июл 2024
- Here’s a video showing you how to install the lower parts kit into an AR15 lower receiver. Specificity this is an Aero Precision lower with a Aero Precision Lower Parts Kit. I hope this is helpful!
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#AR15 #howto
Timestamps:
00:00 - Parts Overview
02:37 - Install Mag Release
04:45 - Install Front Take-down Pin
06:45 - Install Bolt-catch Release
08:27 - Install Rear Take-down Pin
10:01 - Install Safety and Grip
12:10 - Buffer Retainer 
Хобби
For anyone doing this for the first time, here’s my advice: buy at least one extra Aero parts/“Fix-It” kits. Once that front detent goes flying you aren’t getting it back.
This will also work.
Real Avid AR15 pivot pin tool
$11.99
I used a chopstick lol
Learned that the hard way 3 hours ago
@@bryanblanks3504 All part of the process brother
Got lucky had mine fly across the room 3 times found it every time
Hope youtube doesn't catch you teaching us this great video 👍
Agreed!! 😂 Thanks for the comment and support!🙏🙏
Shhhhhh!
Lol 😂
@@1stShotTacticalim trying to video grab these videos incase they take it down.
Not to jinx it, but a year later and still here! \o/
I watched another video where all the key steps were done off-camera, and the steps that were on camera were done within 5% of the edge of the camera view, or even outside the camera view. This video, on the other hand, is GLORIOUS!!! Great job, all the details, no wasted time, but good camera coverage and explanations!!! Thank you!!!
The hex key he used at 9:17 for the tiny screw holding the rear spring is a .050 in case anyone was curious.
Thanks for the tip and comment man!! That’ll definitely help some others out🙏🙏
Also the Aero Precision video on this one thing says to clip the spring so that 1/4" (or 3-4 twists) stick out of the lower, then put in the screw. It went a lot easier when I did that.
Just ordered one from Amazon. I can finish my lower tomorrow after work. Yay 🎉.
What’s the name of the little screw?
I don't remember but it's like the smallest one. It should be shown in this video if you watch it carefully.
Shoutout to Aero for including an exclusive part to hold down the rear take down pin but not the tool to actually use it
Aero sucks for that I can’t find the right size anywhere
@23joelopes It takes a .05" Allen key, and I agree it should be included.
Great video, clear step by step, many thanks! 2 suggestions: I managed to lose BOTH of my takeout detent pins as they went flying off to... wherever. Managed to get replacements pretty quickly and decided not to be stupid again, so got a large box, lined it with a towel, pointed the detent and spring INTO the box as I put it in. Caught the first one before I finally managed to get it in place. Also used the credit card trick one of your other viewers mentioned below.
Other suggestion: YT is gonna nab you for "how to assemble a rifle" vids. Strongly suggest you duplicate over on that competitive channel.
this has been really helpful for me, I've never had an AR before and decided to build my own after finding a deal on a full upper assembly. Thanks for putting this series together
Doing my first AR build thank you for all the help. This was a great video.
Thanks for the comment and glad I could help!!🙏🙏
Great video! It seems so simple. It does get easier each time. The right tools help soooo much!
Thanks for showing these videos on putting a lower together very helpful for a lot of people to see just how to do it the right way....
@1stShotTactical
I went ahead and bought a complete lower from a local gunsmith friend, but I think I'll build my 2nd AR using your video along the way. Thanks.
Awesome to hear!!! I’m glad I could help!🙌
Awesome video, really appreciate the closeup shots and detailed explanations.
Thanks for the comment! And I’m glad I could help!🙏🙌
Good step by step video sir and I used a round file to hold that front pin detent in and it worked perfectly
This video has been good. Thank you, saved it to a playlist to follow along for when i put mine together.
Thanks for the comment and I’m glad I could help!!🙌🙌
My lower is also aero precision.
So I really appreciate you mentioning the parts that Aero specifically makes. As they were not in my kit 😂.
Great video.
Thanks for the comment and glad I could help! Good luck on the build!!🙌
Did you have to buy another kit?
You got a new subscriber man great information man I love it keep pushing
A buddy of mine got me a lower and a kit for my first build. I'm only about half way since the kit is missing a detent & a roll catch. Other then that I'm having fun. I used some clear tape keep the detent pin in place while staying flexible enough to just smoosh it with the bolt thinggie. LoL. Either way it work like a charm for me. Awesome tutorial! It's loads of help.
Thanks!
Awesome to hear man! And best of luck on the build!! Appreciate the comment and support!🙌
Awesome video!! My friend purchased a brand new upper and lower and was telling me that they’re extremely tight. When putting them together. He’s worried about it but I told him not to worry!
Thanks for the comment! And yeahhhh should def be ok with some lubricant!🤘🤘
@@1stShotTactical I’ll let him know! Thanks!
I just watched this video. I’ve finally made up my mind on getting an Aero lower and upper. The 2 seem like super quality parts. Thanks for making this video, I’m gonna keep it in my history to view again when I build my own! Keep the great vids coming!
This helped me complete my first lower build thank you
Appreciate the knowledge drop bro, subscribing rn
Great vid. Looking to buy my first AR and this was really helpful
Thanks for the comment! Glad I could help!🙌
I always get the detent in with my finger then hold it down with a credit card card. Slide the pivot pin in over top of it, then pull the credit card out. Works like a charm.
Smart trick!! Thanks for the advise! The credit card bought the gun parts so it might as well help you put it together 😂😂
Thanks for the video, its helped me build my first pistol.
Great video! Thanks for the help!🤘👍
Great video, well spoken and educational. Thanks
Thanks for the comment, I’m glad I could help!🙌
Great video for a first time builder!
Great video. So easy to follow. Thank you.
Thanks for the comment and glad I could help!🙌
Aero says to cut the rear spring before adding the set screw. Made it a bit easier for me. Only had to chase and find the spring once before I cut it 😂. Thanks for the video!
I was going to come to say that
simple, detailed, to the point. thank you
Thanks for the comment! Glad I could help!🙌
5:34 I use a 1/4" clevis pin. It looks just like a takedown pin but it has holes in it.
You feed your spring and detent through the hole, press it in with your Allen wrench and turn it until it's locked. Set the takedown pin flush against the clevis pin and push it through.
Super easy.
Just used this guide to put togeather my aero 15 thanks!
Very nice video - helped a lot with starting my first build - this morning ! Lol. Thumbs up and subbed. Nother tip,
I used a spark plug gap tool on detent, similar to the credit card tip below - used the .025 fin to hold the detent down with one hand while pushing the pin through with the other, then just slide out the gap fin (receiver upside down in vise made it a lot easier though)
Thanks for the comment! Glad I could help!🙌 that’s a great idea!
Great video. Explained very well.
Thanks! Glad I could help!
Thank you for the step by step process.
You’re welcome ! I’m glad this is helpful. Thanks again for watching 🙌🙌
For the front takedown pin I used a 7/32th drill bit (shank end) so I could get a nice clean transition
Thanks for the video bro
thats a really nice lower
Patience is key. I lost my first detent. I found a 1/4 drill bit works perfectly, similarly to what he used the screw driver for(the chuck end of the bit not the drill tip). Transferring from the drill bit, that holds down the detent, to the takedown pin was super easy.
Sorry to hear about the lost detent! But great tip with the drill bit! Thanks for the comment🙏
I've been using an old pin to slide in from the left with the rounded side to the detent, then just slide the new on in, with the groove to the detent ,from the right. No special tool. Works for the back as well.
That rear detent screw looks so convenient. Had a spring that accidentally got bent out of shape trying to install a new endplate.
Awesome video! I just subscribed.
Thanks for the comment and support!!🙏🙏
My man greetings from Southern California. Your videos have saved me so much trouble. I've had a lower chilling and finally have the ability to build my AR-40 . You've got great stuff on your channel.
#2ALeft
#fjb
#2aforeveryone
Very helpful, thank you!
Thanks for the comment glad I could help!!
Best video ever!!! Thank you!
Appreciate the comment and support! Thanks for the comment🙏🙏🙏
Thanks man. So helpful! And so easy! I did it! Lol
Thanks for the comment and glad I could help!!🙌🙌
You're better than me, kid! I had to keep the lower in a vise to get all the little parts in!
Haha all good! Thanks for the comment! Glad I could help!🙌
Very helpful. Thank you
Glad I could help and thanks for the comment!
Helped a lot thanks
Thanks for the comment! Glad I could help!🙌
Just a PSA, Aero actually recommends cutting the takedown pin's detent spring down a bit because the set screw takes up some of the space inside the channel that would've otherwise been occupied by the spring.
Threaded allen key for the bolt catch is AMAZING
Right!?! So helpful!! Thanks for the comment!🙌
@@1stShotTactical what size allen key did you use?
Yeah - even using an allen wrench to keep the detent in place when I was putting in the front takedown pin, I still wound up shooting it across the room multiple times.
At 9:42, if you have trouble pushing out the rear takedown after install, Aero Precision instructs to cut a few coils off the spring with a cable cutter. Leave it full length if you don't have a 4-40 set screw and this gets captured by the buffer lock plate
Yes!! I should have done that lol thanks for the comment!🙌
So the 4-40 set screw isn’t required? I’m going to use a mil spec parts kit to assemble an aero lower and wanted to make sure I didn’t need that before starting in on it.
@@stuarthiggerson5846 Late comment here, but no it's not required. You can get them for super cheap though. It's just a 4-40 1/8" set screw so anything that size would work.
@1stShotTactical That comment should probably be pinned lol
Great video thank you
Thanks for the comment, glad I could help!
Excellent. Thank you
Thanks for the comment and glad I could help!🙌
Good vid thx
Thank you
1/4 x 2” clevis pin - about $2 at Tractor Supply. Get the one that has holes all the way down the pin. Push the clevis pin into the pivot pin hole from the left side of the lower. Align the hole in the end of the clevis pin with the pivot pin spring/detent hole. Drop your spring and detent pin through the clevis pin & into the hole in the lower. Push the detent pin in with a punch/hex key & rotate the clevis pin 90 degrees. This will hold the detent in place. Now you can perform the “switch-a-roo” maneuver as described in the video.
Awesome tip and thanks for the comment partner!!!🙌🙌
When you go to put the detention, take a needle nose, pliers, and hold the detent and then bring a razor blade on its side and hold it down while you put the takedown pin on and then pull the razor blade out! Neat little trick🤯🤔
Honestly hands down this is the best lower build guide video on all of RUclips to date !
Do yourself a favor on the rear takedown and trim the length of the set screw off of the spring. They give you a milspec length spring and if you don't trim it down it puts to much pressure on the detent. I believe it's about 6 coils
My first build was an Aero Ar15 a few years ago.. I don't recall that lower having the Allen screw for the bolt catch like the m4e1 does. Same for the rear takedown. The m4e1 is definitely a better lower.
My deten pin came out on my unbranded ar carbon. I didn’t realize this until after I got done at range, but the housing that the spring and pin sit in cracked. Do I have to change out my lower? Or just leave it as is? Pin is very tight and I usually need a punch and hammer to remove
If you were to clip/cut a short length of the spring on the rear take down the pin would slide a lot easier.
Yes very true! And Aero recommended a doing that if needed 🙌🙌🙌
there is a handy tool designed to install the takedown pin detents. It's your best friend if you plan on building more than one AR.
What do you hold the rear detent and spring in place for the rear takedown pin when your lower doesn’t have threading in the little port?
what is that larger set screw that the grip covers up in the back for? Once you put the grip on, you can't tighten or loosen that screw.
Thanks!
Hey thanks for the comment and Super like!! I’m glad I could help!!🙏
I forgot to install one part over the spring to install the bolt catch Release.
how would I remove the rolled pin from the bolt catch Release?
I’ve tried everything it just won’t budge.
I did not get an arrow kit, where can I get that tiny threaded screw for the rear take down pin?
Ooo that’s a cool lower, is it one of their builder’s kits? I hope this video plays nicely with RUclips’s crazy rules ha!
Yea it is from their builder sets!
I always apply a little lube on the detents, springs, pins, and safety when I install them.
Yessss I should have done that!
I cut that spring Down on that rear pin, it real smooth
Shouldn't the trigger group go in before the safety selector?
For the rear take down pin, what size allen did you use?
Subscribed my friend! ✅
Thanks for the Sub and support!!🙏🙏
Where do you buy that table top AR diagram drawing?
Great video and very helpful. However, my takedown pins are VERY tight. As in I cannot get them to move at all. Same lower and kit as in the video.
Thanks for the comment! Glad I could help!🙌 A lot of lube and use of them will break them in🤘
Thanks for the detailed videos. I'm getting ready to build an Aero stripped lower and will be following your video tutorial. Should I be lubricating any of the parts or springs before install? Thanks
Thanks for the comment and glad I could help!! Ohh it definitely helps to lubricate everything before and after install!!🙌🙌
How on earth did you get the 4-40 screw in? @9:10 I for the life of me can’t get it. What did use? I have a 1.5 Allen and it just won’t sit in to get any purchase to. Any feedback would be appreciated. Great vids, thanks
Can you do a video on the trigger mechanism parts installation that’s in that aero precision set?
I have one uploaded in this playlist for you to check out now!!🙌🙌
Why didn't you do the trigger group big 🐕?
Good video though. I always gotta look up a refresher cause it seems like I only go through the process every half decade lol
I thought that to be able to use the rear take down detent spring with the little screw, that you have to clip off a little of the spring so it doesn't bottom out? Also maybe blue lock tight on it as well. Just asking before I launch mine across the room...lol
😂😂 fair point! And yes you can clip the spring in the rear detent to help install and Aero actually recommends it🙌🙌
Aero shows to cut off some of that spring for the rear takedown pin.
Yes definitely recommend if it’s too tight!! Thanks for the comment!🙏
What size Alan key did u use for the bolt release
What is the hex key next the pistol grip hole?
hello, I need the dimensions of ar-15 fire control group springs, their lengths and diameters can be like technical drawing or 3 d. If you can help me, I would really appreciate it.
What sling would you recommend for this build?
I just bought a general lower parts kit because the gun store didn't have an aero precision lower kit? should I buy a lower parts kit strictly for aero precision. I noticed i do not have any set screws for the rear takedown pin
You can install any lower parts kit! Using the aero precision lower parts kit does make it easier to do the bolt release and rear take down pin bc they have threaded pieces👍
Instructions unclear: going to local ATF office to ask for help assembling it.
Bahahahah😂😂😂 they will help you by taking it from you 😂
Calm Cool and Right
Thanks for the comment glad I could help!
Will a NON-Aero Precision parts kit work in an Aero lower? Just bought an Aero at my local Sportsmans Warehouse, and have a Del-Ton kit. I didn't know about the threaded holes, and they never said a thing either.
That's cool what if we don't have that little tiny screw?
thanks for the detailed video. a drop of gun oil on the moving parts will help a lot.
🙌🏻
What size Allen wretch was he using?
I’m thinking about getting the strike industries lower kit installed on my M4E. I noticed @9:10 you said there’s a exclusive part from AP. Would I not be able to use the Strike industries lower kit on this? Do I have to only use AP lower kit?
Thank for the comment, happy to help! Yes you can use the Strike Industries Lower parts kit! When you install the Rear Take down pin, you will have to install the buffer tube and nut in order to capture the rear dent and spring. But yes it’ll work👍
@@1stShotTactical awesome, thank you!
@@salpanahi you bet! Good luck with the build!!🤘🤘
So I bought an Aero M4E1 lower and was planning on buying a PSA build kit to finish it but after seeing the option for threaded screws I'm torn between buying the Aero parts kit but it doesn't come with a stock and buffer assembly which means I'd have to buy them separately which is gonna make my build more expensive. Should I just buy the PSA kit with the upper and just buy the screws separately and have some extra parts from PSA?
Also does that screw by the bolt catch come already installed on the reciever or did that come with the parts kit and you installed it before the vid?
Either way would work! And yes the bolt catch screw comes on the Aero lower, so you don’t need to buy that separately!🙌
Question: I bought the stripped lower from aero precision. Will it come with the two threaded parts? Or would thag come with a lower set from them?
It will come with the threaded bolt catch release on the receiver. But the rear take down piece is in the Aero Lower Parts kit🤘
I’m putting my first one together and shot my detent probably 20 times, somehow I didn’t loose it 😂
Great video! What if the button is flush but the magazine is not catching inside?? Should it be screwed in a little more?? Thanks!
Glad I could help!! And yeah definitely get it to where it functions properly! Thanks for the comment btw🙏🙏
@@1stShotTactical thank you!!
Buy a good name brand kit .I bought a no name kit and it was serviceable but had a crappy trigger and the roll pins went in hard.
I got a CMMG kit and nice pins and real nice trigger.Quality is worth the extra 6-8 dollars.
Great point and thanks for the comment! Good luck on your build!!