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Posted: 10/3/2014 10:37:47 AM EST
All experts - ordered a YHM Stinger, which is direct thread 1/2x28 and will work great on my AR-15 22LR upper.

I also have an M&P 22LR (full size) that I'd like to participate in the fun. My weak google-fu shows me that there are 9mm, 40, 45 available, but no 22LR.

I have a guy that has threaded AR barrels for me in the past, but it does not feel thick/robust enough to handle being threaded.

Ideas?

Thanks!
Link Posted: 10/3/2014 10:44:57 AM EST
Originally Posted By jondelong:
All experts - ordered a YHM Stinger, which is direct thread 1/2x28 and will work great on my AR-15 22LR upper.
View Quote


If the thread length on the AR-2 22LR upper is 0.6", you will need a 0.2" spacer before you attach your Stinger.



I also have an M&P 22LR (full size) that I'd like to participate in the fun. My weak google-fu shows me that there are 9mm, 40, 45 available, but no 22LR.

I have a guy that has threaded AR barrels for me in the past, but it does not feel thick/robust enough to handle being threaded.

Ideas?

Thanks!
View Quote


The M&P22 barrel is threaded, but you will need a thread adapter to bring it up to 1/2x28 and provide a shoulder for the suppressor. IIRC, the M&P22 thread adapter is the same as the Walther P22 thread adapter.

Link Posted: 10/3/2014 10:45:28 AM EST
Your M&P22 should already have a threaded barrel with a thread protector on it, and you would just need an adapter like this...
Link Posted: 10/3/2014 10:47:19 AM EST
[Last Edit: 10/3/2014 10:50:14 AM EST by jondelong]
Sorry, let me clarify, my AR-15 22L upper is a CMMG upper, with a regular 1/2x28 thread on it.

the M&P is a pistol, full size. Not in front of me, but pretty darn sure no threading.

ETA: looks like the link to the adapter thingy is what I was looking for, maybe. I see the threaded part, but how does it actually attach???

Thanks again
Link Posted: 10/3/2014 10:50:46 AM EST
On the M&P22, pull back the slide, and on a factory barrel, you should see a thread protector on the end. You would need to remove that and install the adapter...
Link Posted: 10/3/2014 10:56:00 AM EST
OK, will check it out.

Do you have hands-on experience with one of those adapters?
Link Posted: 10/3/2014 11:03:22 AM EST
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Originally Posted By Engineer:


If the thread length on the AR-2 22LR upper is 0.6", you will need a 0.2" spacer before you attach your Stinger.



The M&P22 barrel is threaded, but you will need a thread adapter to bring it up to 1/2x28 and provide a shoulder for the suppressor. IIRC, the M&P22 thread adapter is the same as the Walther P22 thread adapter.

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Originally Posted By Engineer:
Originally Posted By jondelong:
All experts - ordered a YHM Stinger, which is direct thread 1/2x28 and will work great on my AR-15 22LR upper.


If the thread length on the AR-2 22LR upper is 0.6", you will need a 0.2" spacer before you attach your Stinger.



I also have an M&P 22LR (full size) that I'd like to participate in the fun. My weak google-fu shows me that there are 9mm, 40, 45 available, but no 22LR.

I have a guy that has threaded AR barrels for me in the past, but it does not feel thick/robust enough to handle being threaded.

Ideas?

Thanks!


The M&P22 barrel is threaded, but you will need a thread adapter to bring it up to 1/2x28 and provide a shoulder for the suppressor. IIRC, the M&P22 thread adapter is the same as the Walther P22 thread adapter.





Without having the suppressor or ability to measure, is .6" standard for 5.56 threads? If so, would I use the washer that comes with the standard flash hider?
Link Posted: 10/3/2014 11:13:05 AM EST
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Originally Posted By jondelong:
OK, will check it out.

Do you have hands-on experience with one of those adapters?
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I personally do not have the M&P, but I have seen them. I have a GSG1911-22 which uses a similar adapter...
Link Posted: 10/3/2014 11:24:32 AM EST
[Last Edit: 10/3/2014 11:27:54 AM EST by BigWaylon]
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Originally Posted By AlabamaPaul:
I personally do not have the M&P, but I have seen them. I have a GSG1911-22 which uses a similar adapter...
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Originally Posted By AlabamaPaul:
Originally Posted By jondelong:
OK, will check it out.

Do you have hands-on experience with one of those adapters?
I personally do not have the M&P, but I have seen them. I have a GSG1911-22 which uses a similar adapter...

I have one, as well as the new M&P22 Compact (and the GSG 1911-22).

It works just as described. To give you an idea, here's the Compact on top with the factory thread protector, and the fullsize on the bottom with the threaded adapter for a suppressor to screw onto:



The Compact uses a different thread pitch, so you can't use the same P22 adapter that the fullsize uses. Plenty of options out there for a P22 adapter for your M&P22.
Link Posted: 10/3/2014 11:58:31 AM EST
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By BigWaylon:

I have one, as well as the new M&P22 Compact (and the GSG 1911-22).

It works just as described. To give you an idea, here's the Compact on top with the factory thread protector, and the fullsize on the bottom with the threaded adapter for a suppressor to screw onto:

http://i751.photobucket.com/albums/xx151/thegreghorton/Mobile%20Uploads/58CE135E-5718-4804-B0BD-2F542ACE3195_zpsa6icvcwh.jpg

The Compact uses a different thread pitch, so you can't use the same P22 adapter that the fullsize uses. Plenty of options out there for a P22 adapter for your M&P22.
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Originally Posted By BigWaylon:
Originally Posted By AlabamaPaul:
Originally Posted By jondelong:
OK, will check it out.

Do you have hands-on experience with one of those adapters?
I personally do not have the M&P, but I have seen them. I have a GSG1911-22 which uses a similar adapter...

I have one, as well as the new M&P22 Compact (and the GSG 1911-22).

It works just as described. To give you an idea, here's the Compact on top with the factory thread protector, and the fullsize on the bottom with the threaded adapter for a suppressor to screw onto:

http://i751.photobucket.com/albums/xx151/thegreghorton/Mobile%20Uploads/58CE135E-5718-4804-B0BD-2F542ACE3195_zpsa6icvcwh.jpg

The Compact uses a different thread pitch, so you can't use the same P22 adapter that the fullsize uses. Plenty of options out there for a P22 adapter for your M&P22.



Nice! That answers that I guess...back to my dumb question, what is the process for swapping out the factory to the new adapter? Tools? Force? Anything special?

Thanks again!
Link Posted: 10/3/2014 12:15:50 PM EST
[Last Edit: 10/3/2014 12:31:52 PM EST by BigWaylon]
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Originally Posted By jondelong:
Nice! That answers that I guess...back to my dumb question, what is the process for swapping out the factory to the new adapter? Tools? Force? Anything special?
View Quote

Yeah...you should probably take it to an armorer. It takes years of training to do this type of gunsmith work.


Seriously, though...ever wondered what the nifty little wrench that came with the gun was for?



Not my pic...just found it online.
Link Posted: 10/3/2014 12:32:31 PM EST
uhh, nope. But, I still have the box somewhere.

Great info, thanks!
Link Posted: 10/3/2014 1:02:15 PM EST
I've used similar adapters on the Walther P22 and SIG Mosquito

Undo the old and pop on the new. I used loctite on mine to secure the adapter to the barrel.
Link Posted: 10/3/2014 2:39:05 PM EST
Want to make sure, but looks like THIS will work? Amazon is cheaper, free shipping.

Thanks again all.
Link Posted: 10/3/2014 2:42:45 PM EST
[Last Edit: 10/3/2014 2:57:10 PM EST by BigWaylon]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By jondelong:
Want to make sure, but looks like THIS will work? Amazon is cheaper, free shipping.
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Should work just fine.

If you had a SiCo rimfire can, I'd recommend something different. But for the YHM, that one will be fine.
Link Posted: 10/3/2014 2:45:21 PM EST
thanks!
Link Posted: 10/3/2014 3:42:27 PM EST
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By BigWaylon:

Yeah...you should probably take it to an armorer. It takes years of training to do this type of gunsmith work.


Seriously, though...ever wondered what the nifty little wrench that came with the gun was for?

http://www.gunblast.com/images/SW-MP22/DSC03181.JPG

Not my pic...just found it online.
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Discussion ForumsJump to Quoted PostQuote History
Originally Posted By BigWaylon:
Originally Posted By jondelong:
Nice! That answers that I guess...back to my dumb question, what is the process for swapping out the factory to the new adapter? Tools? Force? Anything special?

Yeah...you should probably take it to an armorer. It takes years of training to do this type of gunsmith work.


Seriously, though...ever wondered what the nifty little wrench that came with the gun was for?

http://www.gunblast.com/images/SW-MP22/DSC03181.JPG

Not my pic...just found it online.

That wrench is garbage half the time! Especially if you have an adapter that's stuck
Link Posted: 10/3/2014 4:48:01 PM EST
Make sure the barrels sleeve is properly indexed before you tighten the adapter.
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