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Old 04-11-2010, 05:54 PM
ChattanoogaPhil's Avatar
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Default "DIY" 15-22 Barrel Nut Wrench

Do It Yourself link for making your own barrel nut wrench, including barrel removal instructions. Smith & Wesson M&P15-22 - 5 . For those who wish to buy a steel barrel nut wrench you can find them in the 15-22 Specific CLASSIFIEDS here: *** 15-22 Specific CLASSIFIEDS ***

Note: Several Forum members have reported the barrel nut loosening. Keep this in mind for general maintenance and inspection. Be careful to not apply a great deal of force while removing/installing flash hiders or barrel nut if you are not using a barrel vice. It is possible to break the receiver.

Forum member tips:

Belt_Fed suggests a small drop of fingernail polish will keep the barrel nut from loosening while still being able to easily remove when needed.

DasFreik puts a dot of Liquid Paper on the outside of the barrel nut so he can easily see if it has turned.

Last edited by ChattanoogaPhil; 05-16-2010 at 01:31 PM.
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Old 07-20-2010, 11:50 AM
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The below pics will probably do a better job of describing the issue than the following explanation. -- The problem with the PVC wrench is that the ID is slightly smaller than the barrel threads. Unfortunately, the barrel nut spins onto the barrel far enough to where the barrel threads start to come up into the barrel nut groves.... So you have to jam the PVC fingers into the barrel nut grooves over the barrel threads. I suspect those who are breaking PVC fingers aren't getting the fingers far enough into the barrel nut grooves. Those who successfully jam the fingers down far enough may sometimes bind the PVC to the point where it is difficult to loosen the barrel nut. Solution - Take a little off the inside of the PVC fingers with a dremmel.
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Last edited by ChattanoogaPhil; 07-21-2010 at 06:31 PM.
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Smith & Wesson M&P 15-22 Thread, "DIY" 15-22 Barrel Nut Wrench in Smith & Wesson Rifles and Shotguns; Do It Yourself link for making your own barrel nut wrench, including barrel removal instructions. Smith & Wesson M&P15-22 - ...
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I keep breaking the teeth on my diy pvc barrel nut remover for my MP15-22 Pistol This thread Refback 08-05-2013 08:02 PM
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M&P 15-22 Maintenance - RimfireCentral.com Forums This thread Refback 07-14-2012 05:04 PM
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