Everything you ever wanted to know about buying an AR15 Lower Receiver

Everything you ever wanted to know about buying an AR15 Lower Receiver

There are endless options of AR-15 Lower Receivers. Ready Gunner details out the features that you should pay attention to when choosing what lower to use when you build your next (or first) ar15. Shows Spikes Tactical Stripped and Spikes Hellbreaker, Sentinel Firearms, Tegra Arms, Mega Arms, Rock River, LMT (Lewis Machine & Tool) and Aero Precision.

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50 Comments

  1. H on October 26, 2021 at 9:10 pm

    Wow Aero precision has come a long way. That model look like crap



  2. Gerardo Ayala on October 26, 2021 at 9:10 pm

    Aaajajajajajaja he said sausage fingers.😂😂😂



  3. Terd Ferguson on October 26, 2021 at 9:12 pm

    9:00 When you want to say," Get back into the fight" , but you don’t want to get monetized. The tyranny is real.



  4. Jay Dubs on October 26, 2021 at 9:13 pm

    Rip mega



  5. IG-84 on October 26, 2021 at 9:13 pm

    Nice. I still use the phrase “bad” and people are baffled by it.



  6. Fritz on October 26, 2021 at 9:14 pm

    The wiggle demonstration at 15:00 was genuinely helpful information. I will now keep the upper and lower from one company. Thanks!



  7. Jack Michael on October 26, 2021 at 9:15 pm

    Why do ar15 builders then to use different brands for the their upper & lower receiver?



  8. expo on October 26, 2021 at 9:19 pm

    16 minutes of “they’re all about the same.”



  9. Aiden Dirt Bikes on October 26, 2021 at 9:20 pm

    1:36 nope 80%



  10. Socherbal on October 26, 2021 at 9:23 pm

    I’m sorry, I just don’t see how a “loose” lower affects the accuracy between your eye, your eyepiece, and the barrel. I just don’t see how some wiggle will change that angle. Sounds like someone tried really hard to sell a particular upper with a particular lower one time to a gullible person and it just caught on. I’m not gonna lie when you said there are companies that sell shims, I chuckled.



  11. Richard Lahan on October 26, 2021 at 9:25 pm

    If you’re looking for a basic build, go with a milspec receiver (7075 forged).



  12. TexasAggie on October 26, 2021 at 9:26 pm

    Very educational. Thank you!



  13. Keldren Raze on October 26, 2021 at 9:27 pm

    cool vid but… just what in the unholy san andreas hell is over your right shoulder?

    reminds me of the clown cars that are just two front ends together facing opposite directions and they just drive in circles…



  14. Al Sautner on October 26, 2021 at 9:27 pm

    Great Information.



  15. Kevin Rollman on October 26, 2021 at 9:28 pm

    Forget AR’s too many problems!! Not enough gas, bad bolt, bad buffer spring, problems here ,problems there!! Buy your self a real firearm that is 6 times as powerful as any AR. A Marlin 1895 CBA 45-70. No need to worry about capacity because you can continuously reload through the side gate!!



  16. Josh Haney on October 26, 2021 at 9:29 pm

    I hate how hes showing the ambidextrous but only showing the side I wouldnt need.. (I’m lefty)



  17. Dewy Rider on October 26, 2021 at 9:30 pm

    Very informational, great video



  18. spicecrop on October 26, 2021 at 9:30 pm

    A lot of receivers are not made by the company that has their name on it. You are basically paying for the name brand. While the actual product is manufactured by a totally different machine shop/ company. That’s why I like Aero. They started by making high end aircraft parts and they make their own uppers and lowers.



  19. Nelson Langlois on October 26, 2021 at 9:33 pm

    Mil Spec should be " Mil Spec ! "



  20. Khoncious Akwerius on October 26, 2021 at 9:34 pm

    Great video.. it’s crazy funny how picky some people are when it comes to the crispness of the cutting lines on their weapon.. it’s not going to make you shoot straiter or give the bullet greater muzzle energy.. I’ve never seen or heard a person say “ wow, it’s a good thing my lines was crisp of the factory’s insignia was stamped right on my weapon or I would have missed my shot “.. none of that’s gonna matter if you’re out hunting man or animal,, all that matters is sight,, muzzle energy,, accuracy and the type of round you’re using to bring whatever down..



  21. Julio on October 26, 2021 at 9:35 pm

    If I’m 21 and over can I just walk into a gun store and buy a stripped lower receiver ? Or do I need a gun license ? In Reno Nevada



  22. Duane Short on October 26, 2021 at 9:36 pm

    WHERE TO BUY BEST COMPLETE AR TO PUT TOGATER



  23. Thomas Taylor on October 26, 2021 at 9:37 pm

    You lost me at “colt, Remington,…” saying that the have manufactured them for a long time- there are ~9 major lower manufactures in the us. Colt, noveske, s&w, Rick river and a handful more are made by continental tool in new Britain ct- despite what you said- the noveske or colt receiver indicates the location of that company not new Britain where they are made. Why go into that amount of detail and not get it right?



  24. 82ndsniper1 on October 26, 2021 at 9:39 pm

    Sorry Colt Remington bushmaster don’t make there own lowers



  25. C. Rod on October 26, 2021 at 9:40 pm

    Thanks !



  26. bloodOntheStep on October 26, 2021 at 9:41 pm

    I thought this was a pic from the Ammu Nation at first lol



  27. Captain America on October 26, 2021 at 9:42 pm

    Anderson seems to be everywhere with their product. How do they stack up? I am waiting on a complete lower from Civil Defense Armory. How about them? They seem to spec out admirably.



  28. A-a-ron on October 26, 2021 at 9:46 pm

    All of them probably machined in the same building 😆



  29. Seattle Man on October 26, 2021 at 9:46 pm

    Great Video!!!



  30. Mark Bernard on October 26, 2021 at 9:47 pm

    Great information, just starting to build my own Armalite Rifles. Please keep us posted on any new product that may arrive. Thanks



  31. Louis Dufour on October 26, 2021 at 9:47 pm

    There is so much possibilities for building the AR platform from a 22 to a 50 BMG



  32. zigs44ss ciccarello on October 26, 2021 at 9:50 pm

    well I would have loved to have had a little project to build my own but unfortunately I live in New York and for some reason you can’t get lowers in New York you can’t get offers in New York you can’t get a stupid 20% lower in New York no one wants to ship you waiting you can’t get a self-defense style shotgun in New York without having a problem if it has a removable five Shell clip so my hats are off to all you that can actually achieve having fun building and owning somebody’s guns



  33. Nelson Langlois on October 26, 2021 at 9:51 pm

    No mention of Anderson Lowers or Parts kits..? Or A.R. Stoner…?



  34. Dr Feinauer on October 26, 2021 at 9:52 pm

    I’m so glad I found your channel… Great info



  35. Parker Thams on October 26, 2021 at 9:55 pm

    Just by an Anderson it doesnt fucking matter



  36. Scott Perrine on October 26, 2021 at 9:57 pm

    Still waiting for the step by step lower build video you said you were planning on making. 🔨



  37. Bradley Hetherington on October 26, 2021 at 9:58 pm

    I really can’t stand fucking stupid people so why don’t you and School yourself and learn the difference between forged meeting they poured liquid aluminum into a form and then created the outside barriers and then machine inside foraged is not stronger than billet



  38. Mommy Nature on October 26, 2021 at 10:00 pm

    Al 6061 is pretty good though



  39. CancerWarrior on October 26, 2021 at 10:00 pm

    1,st where and who your buying it from to be legit



  40. lord loki on October 26, 2021 at 10:01 pm

    What’s the butstock on the rifle to his left?



  41. AmmoMaster on October 26, 2021 at 10:03 pm

    I’m watching this naked…. does this make me a bad person?



  42. bratz2 on October 26, 2021 at 10:03 pm

    Don’t care what it looks like, care about reliability and performance. It’s a tool.



  43. Patrick Hudson on October 26, 2021 at 10:03 pm

    There are forges making custom alloys and forging the billet rather than casting it. They create a super dense alloy that can be cnc machined



  44. Thuy Tran on October 26, 2021 at 10:04 pm

    How many can be purchase in Ca in a day



  45. the mountain raven on October 26, 2021 at 10:04 pm

    The billets are forged. Fyi.



  46. Fall Front 21 on October 26, 2021 at 10:06 pm

    Billet is ultrasonically inspected, just like titanium. F-14 wing carcass is milled, ultrasonically inspected titanium. Ask me how I know?



  47. Cole on October 26, 2021 at 10:07 pm

    So basically you’re saying that we should go with just about any lower out there on the market from either bargain basement to high end, and we can’t go wrong either way? ….ok, works for me.



  48. Joshua Hamilton on October 26, 2021 at 10:08 pm

    Damn complete lowers were that expensive 5 yrs ago



  49. CancerWarrior on October 26, 2021 at 10:08 pm

    Love your wall mang



  50. Joey Acosta on October 26, 2021 at 10:09 pm

    And thank you for showing us dick you know different parts do work and maybe it happens it does work so I’m in a band has gun parts in the parts and you know making amodestri moments going to be better thank you