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Page AR-15 » Rimfire and Pistol Calibers
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Archived [ARCHIVED THREAD] - S&W M&P 15-22 - Proper way to install Flash hider
Posted: 2/18/2017 9:43:24 AM EDT
Hey all,

I have one of the Original S&W M&P 15-22's that did not come with the threaded barrel/flash hider.  

I finally got around to sending the Barrel off to have it threaded.   I just received it back and now need to install my A2 flash hider.

Do I need Peel Washers and a Crush Washer?  Or is it one or the other?     If it is one or the other, which is better?

Thanks!

-Masta

Link Posted: 2/18/2017 9:46:44 AM EDT
[#1]
Choose one.  Crush washer is less hassle to get timed and peel washers require less effort.
Link Posted: 2/18/2017 9:03:55 PM EDT
[#2]
I believe the M&P 15-22 uses an A1 flash hider, which I would simply thread on until tight and forget.
Link Posted: 2/19/2017 10:54:16 AM EDT
[#3]
My factory threaded one has a crush washer.

Archived [ARCHIVED THREAD] - S&W M&P 15-22 - Proper way to install Flash hider
Page AR-15 » Rimfire and Pistol Calibers
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