Exactly what regular AR parts interchange?

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MajMike

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What parts interchange with regular AR's? I.e., the trigger group, the pistol grip, etc?

I just got a used 15-22, mine has no dust cover but I have seen pics of one with it, is mine just an older model or did that owner add the dust cover?
 
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There is no real dust cover for the 15-22 and never has been. There was a cosmetic dust cover custom-made out of Kevlar by one of the forum members but it was pretty much a bust because it was cosmetic, rather than functional.

If you saw a photo with a real AR15 dustcover, it was a one-off home-brewed installation.
 
You may have to do some searching, but there is a posting available which names all the parts that are interchangeable.

.....and, F.Y.I., none of the S&W M&P 15-22 line come with a dust cover.

However, there is a dust cover created and offered by a member of this forum available for purchase. :D There again, some searching into past forum postings will take you to where you need to be!

Hope this helps.......:)
 
Parts

The reason I bought the 15-22 over the other AR style .22 rifles is that I could put any AR trigger in it. I am currently running a CMC flat trigger that is absolutely great. I have also slightly modified a MIAD grip to fit my rifle. Keep in mind there are some great after market parts made specifically for the 15-22. NDZ comes to mind. I am sure you will really like this rifle, congratulations.
RichH
 
Yea this a very versatile and fun "little" rifle... you came to the right place here and welcome to the fourm... Welcome from Texas.
 
What parts interchange with regular AR's? I.e., the trigger group, the pistol grip, etc?
Click to expand...
The trigger group, the pistol grip and anything that can be put on a picatinny rail. Those are the only interchangable parts that I can think of.
 
Last edited:
Jayhawkhuntclub said:
The trigger group, the pistol grip and anything that can be put on a picatinny rail. Those are the only interchangable parts that I can think of.
Click to expand...

The stock; the quad rail (with an adapter from TactiCool22.com); if you have a threaded barrel, just about anything with a 1/2x28 thread (that's legal where you live).
 
Mil-spec parts rerfers to parts of a particular hardness, strength, and size, proven & tested. It is important to buy a mil-spec receiver to begin with. After that, mil-spec parts will work in a milspec rifle. They are like an erector Erector set, or Leggos. There a some inexpensive, budget-rate, suppliers, but the ease of fit and function is hit or miss.
So stick with a supplier who provides actual mil-spec parts and you will be ok.
FWIW, I built a rifle way back in the '80s with some inexpensive el-cheapo parts and it took me a long time to make it run right. That is, I had to swap out a lot of the internals for the 'real' ones'. I haven't had a problem ever scince with that rifle. My kid has shot the livin' daylights out of it. Runs like a spotted ape.
 
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