AR-15 upper?
- Thread starter kcallais
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MrMcMotoMan
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Iv heard that before, and when i got my AR lower to build, I couldn't help but check. It seems like the exact same width, but the pivot pin hole on the 15-22 upper is slightly further forward.
With mild modifications, one would fit, just not cycle properly.
Majorlk
Member
No they are NOT the same width. Instead of eyeballing it, try using a micrometer. The 15-22 lower is wider. That is a deliberate action on the part of S&W to keep people from doing exactly what is being discussed. At the same time, a 15-22 upper cannot be used on an AR15 lower.
And then there is the lack of a buffer tube ...
Jyezahn
US Veteran
Assuming you COULD make one fit, there is the fact that you would have no way to charge the rifle without pulling the takedown pin, yanking the bolt out, inserting the round, reinstalling the bolt, and closing the two halves. Then you run the risk that the force of recoil on the polymer lower face where the buffer tube would normally be, could be detrimental to the integrity of the lower receiver. Seems to me that attempting to put an AR-15 upper on a 15-22 lower is akin to trying to turn an Airsoft gun into a real gun.
Gunslinger808
Member
Pfff, you guys and your can't do attitude!
I got a dremmel and a few beer down, bet I can make it fit.*
* This post was made in jest, anyone foolish enough to actually try this will ruin their firearm.**
**If you do it, ya gotta post pics!
Jyezahn
US Veteran
And show us how well your gas piston or gas tube fares... Methinks it'd be an expensive one-time experiment.
Majorlk
Member
Well, then you need to share that with S&W because they are the ones that designed the 15-22 so it can't be done. I guess their engineers are wrong.
Please post photos of the parts swapped around.
It does make me wonder about the dimensions on that lower of yours.
Please post photos of the parts swapped around.
It does make me wonder about the dimensions on that lower of yours.
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I just posted a pic in my other thread go check it out and as far as the Dimensions of my New Frontier Armory Lower it fits tighter to my upper than my bushmaster MOE XM15 and My DPMS A15 but about the same as my Sig M400 Enhanced MOE that has a tensioning pin in the lower!
Jyezahn
US Veteran
Try the AR upper on the 15-22 lower... then try to fire it. Bet it won't work (properly)
And for the record, I don't think anyone meant that it physically wasn't possible to put the two together. Just that it's not made to be swapped, doesn't fit properly, and won't fire properly. One can physically "mate" lots of things that weren't meant to go together... doesn't mean they'll work.
And for the record, I don't think anyone meant that it physically wasn't possible to put the two together. Just that it's not made to be swapped, doesn't fit properly, and won't fire properly. One can physically "mate" lots of things that weren't meant to go together... doesn't mean they'll work.
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think you implied in this post they wouldnt fit together by saying " assuming you could"..........just saying
and here it was straight up said it wouldn't fit^^^^^
Jyezahn
US Veteran
I said "assuming" because I do not currently own an AR-15. So, nothing was implied by me, rather, you inferred your own conclusion. Please stop trying to be confrontational, it doesn't get far here.
Not being confrontational but I own Many ar15's and just built one from scratch so I am very familiar with the platform seems like a lot of people on here speak with no knowledge of said discussion sorry but that is one thing that burns me up.
If you do not own an ar15 or never have why chime in on a discussion about something you know nothing about??
If you do not own an ar15 or never have why chime in on a discussion about something you know nothing about??
Jyezahn
US Veteran
Umm, yeah, you kind of are being confrontational. And for the record, I have pretty good knowledge of the AR platform, as I used it extensively in my military career. I became quite intimately familiar with the ins and outs of them. Just because I do not own one currently, does not change my qualifications on speaking to the subject at hand. Though, since I do not have one to try to swap, I can only speak fully on the fact that an AR upper on a 15-22 lower would require extensive reconstruction of the lower in order for it to work properly. And as SimpleWeaponsSolutions said in the other thread, his does not fit, and nobody else here has been able to fit them together either.
There are many things that I do not own, that I can speak knowledgeably about. What burns me up is people coming on here and thinking just because something worked for them, that everyone else is wrong and none of them know what they're talking about. Look up the word "confrontational" and then read all of your posts in these two threads. I think it's quite a good fit.
There are many things that I do not own, that I can speak knowledgeably about. What burns me up is people coming on here and thinking just because something worked for them, that everyone else is wrong and none of them know what they're talking about. Look up the word "confrontational" and then read all of your posts in these two threads. I think it's quite a good fit.
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