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how to thread? #8479932 12/19/21 01:29 AM
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Bigfoot Offline OP
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Ive watched a few videos on swapping out the flash hider on my AR. I really dont have a vice or any way to properly secure it:

can I over torque something or damage something by just trying to twist this flash hider off with the gun between my legs?

Last edited by Bigfoot; 12/19/21 01:31 AM.

I WILL NOT COMPLY!! Let's go Brandon!!!!
Re: how to thread? [Re: Bigfoot] #8479951 12/19/21 02:03 AM
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David Maas Offline
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Doubt you'd be able to remove it. Actually depends on whether it's a crush washer, peel washer or loctited in place.

If you don't have the tools, find a local gunsmith to swap it out


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Re: how to thread? [Re: David Maas] #8479979 12/19/21 02:41 AM
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Originally Posted by David Maas
Doubt you'd be able to remove it. Actually depends on whether it's a crush washer, peel washer or loctited in place.

If you don't have the tools, find a local gunsmith to swap it out


^^This

I could get it off for you, but you're a fer piece down the road.


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Re: how to thread? [Re: Bigfoot] #8480076 12/19/21 05:06 AM
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Does it have a front sight on the barrel, like military M16s?

If so, lay the rifle on the floor on it's side, sandwich the sight between two pieces of 1x4, and kneel on the top piece, then try loosening the flash hider... You won't be able to apply enough torque to hurt anything... The cross pin on the front sight is stout.

If it's a plain barrel, you can try sandwiching the barrel the same way (in front of the hand guard), but you may need a rough piece of leather on the barrel as well to keep it from rotating.

If it won't loosen before the sight lifts off the bottom board or the barrel rotates, then you'll need better tools or a friend who has them.

Last edited by 9x19; 12/19/21 05:10 AM.
Re: how to thread? [Re: Bigfoot] #8480411 12/19/21 04:44 PM
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You can give it a try as you mentioned but, if it does not come off with just a little/moderate effort, I would then take it to a gunsmith.


Originally Posted by KRoyal
Sounds like a nice stick Fitz.

Originally Posted by Sailor
Fitz............. is right, ya know............
Re: how to thread? [Re: Bigfoot] #8480854 12/20/21 12:17 AM
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Typically, muzzle devices are torqued to 8 ft.-lbs. Turn it with a wrench across the flats while kneeling on the receiver. It should break free almost immediately unless it is held with Rocksett.


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Re: how to thread? [Re: Bigfoot] #8480870 12/20/21 12:39 AM
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Bigfoot Offline OP
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Ill try it lightly and see what happens if it is tight I will send it to my local guy.


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Re: how to thread? [Re: Bigfoot] #8480953 12/20/21 01:58 AM
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Originally Posted by Bigfoot
Ill try it lightly and see what happens if it is tight I will send it to my local guy.


Lightly is the opposite of what's needed.

Get the action held tight, get a wrench on the flash hider, and knock the hell out of the wrench with a hammer. Shocking the tight nut or bolt is often what's needed to break it loose, and is actually easier on all the parts.


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Re: how to thread? [Re: Bigfoot] #8480965 12/20/21 02:07 AM
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David Maas Offline
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Who manufactured this upper? What caliber? Does it have a crush or peel washer? What diameter threads?


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Re: how to thread? [Re: George S] #8484556 12/23/21 05:50 AM
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Originally Posted by George S
Turn it with a wrench across the flats while kneeling on the receiver. It should break free almost immediately unless it is held with Rocksett.


This is what I've always done with factory installed muzzle devices and they've always come off.

Re: how to thread? [Re: Bigfoot] #8484793 12/23/21 03:25 PM
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An AR vise block can be had cheap, no?

Re: how to thread? [Re: Bigfoot] #8484840 12/23/21 04:10 PM
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You aren’t going to hurt anything if you hold the rifle between your knees and put a wrench on the flashhider.

Or, buy the flashhider from a local shop that will put it on for free.


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