I marred the wrench flats on a mount. Is it safe to use? - Page 1

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[ARCHIVED THREAD] - I marred the wrench flats on a mount. Is it safe to use?

Posted: 11/30/2015 9:07:34 PM EDT

Awhile back, I got a mount for a Specwar suppressor. The notch in my barrel wrench for flash hiders was a wee bit too big. While timing the brake, I marred the wrench flats. I have since learned from my imbecility, and bought a 3/4'' crescent wrench. I didn't mar it until I had already torqued it down. Looking at the mount, it doesn't look like I damaged the part that sits against the barrel/shims. The finish of the compensator has a mark where it rests against the shims, and the deformed part looks like it is outside of that ring.

I'm hesitant to use it with the suppressor. Will this cause a baffle strike? This is my first/only suppressor and I'm kind of paranoid about it.

Posted: 11/30/2015 9:16:59 PM EDT

[#1]

If that spot contacts anything I would say it's bad. But from the ring mark it doesn't look like it will.

If you are concerned about it or it does make contact anyone with a lathe could probably true it up pretty easily and it would be a lot cheaper than buying a new mount.

And check the alignment after it's mounted.

Posted: 11/30/2015 9:41:58 PM EDT

[#2]

I would have no problem with that
Ymmv

Posted: 11/30/2015 9:45:38 PM EDT

[#3]

should be no problem, however if you are concerned put a piece of sand paper on a flat surface and rub the damaged end on it a little to "true" up the surface.

Posted: 12/1/2015 12:41:44 AM EDT

[#4]

It's fucked. I'll pm you my address. I can dispose of it for you.

Posted: 12/1/2015 1:13:43 AM EDT

[#5]

Quote History

Quoted:
should be no problem, however if you are concerned put a piece of sand paper on a flat surface and rub the damaged end on it a little to "true" up the surface.

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Dont do this. At the most you can removed deformed material on the edge, but dont touch the mounting face.

Posted: 12/1/2015 1:59:45 AM EDT

[#6]

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Quoted:
I would have no problem with that
Ymmv

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None. Go shoot and enjoy.

Posted: 12/1/2015 2:01:51 AM EDT

[#7]

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Quoted:
If that spot contacts anything I would say it's bad. But from the ring mark it doesn't look like it will.

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this

Posted: 12/1/2015 9:59:41 AM EDT

[#8]

I'll be the one to disagree.... from the picture the rear surface is no longer flush and surface should be true to the shoulder of the barrel. It is not worth the risk. Have a machine shop fix it, or buy a new one. As indicated in this thread someone else would buy the damaged used part and hopefully use it for a brake and not a suppressor mount

If the dinged outer edge does not contact the barrel shoulder you are probably good though.

Posted: 12/1/2015 10:18:28 AM EDT

[#9]

Looking at the wear marks it doesn't look like the deformed portion would contact the crush/peel washer or barrel shoulder. Even if it did, a few careful swipes with a file would remove the deformation. I'd use it in a heartbeat.

Posted: 12/1/2015 12:15:24 PM EDT

[#10]

Quote History

Quoted:
I'll be the one to disagree.... from the picture the rear surface is no longer flush and surface should be true to the shoulder of the barrel. It is not worth the risk. Have a machine shop fix it, or buy a new one. As indicated in this thread someone else would buy the damaged used part and hopefully use it for a brake and not a suppressor mount

If the dinged outer edge does not contact the barrel shoulder you are probably good though.

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Ditto. As is, I'd use it only as a brake.

Were you using a crush washer? It looks like you really had to wrench on it to time it, even with a slightly wrong sized wrench. I'm not asking to be a dick, just to understand so I don't do the same thing someday.

Posted: 12/1/2015 12:56:23 PM EDT

[#11]

personally, i'd knock the raised edge down with a file, and then *lightly* and *carefully* dress the whole surface on a stone.

that's probably all a "machine shop" would do...

Posted: 12/1/2015 1:26:38 PM EDT

[#12]

Quote History

Quoted:
Ditto. As is, I'd use it only as a brake.

Were you using a crush washer? It looks like you really had to wrench on it to time it, even with a slightly wrong sized wrench. I'm not asking to be a dick, just to understand so I don't do the same thing someday.

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Quoted:

Quoted:

I'll be the one to disagree.... from the picture the rear surface is no longer flush and surface should be true to the shoulder of the barrel. It is not worth the risk. Have a machine shop fix it, or buy a new one. As indicated in this thread someone else would buy the damaged used part and hopefully use it for a brake and not a suppressor mount

If the dinged outer edge does not contact the barrel shoulder you are probably good though.

Ditto. As is, I'd use it only as a brake.

Were you using a crush washer? It looks like you really had to wrench on it to time it, even with a slightly wrong sized wrench. I'm not asking to be a dick, just to understand so I don't do the same thing someday.

No, I used a gemtech shim kit. I installed it on a longer barrel to get a better look at how it mates up. It looks like I have a good millimeter between the edge of the shims and where the bump starts.

ETA:

Posted: 12/1/2015 9:27:00 PM EDT

[#13]

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Quoted:

Dont do this. At the most you can removed deformed material on the edge, but dont touch the mounting face.

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Quoted:

Quoted:
should be no problem, however if you are concerned put a piece of sand paper on a flat surface and rub the damaged end on it a little to "true" up the surface.

Dont do this. At the most you can removed deformed material on the edge, but dont touch the mounting face.

This. I've done that to a silencerco .22 adapter and just filed down the high spots without touching the middle area and messing up the the true flat surface that was still left in the middle.

Posted: 12/1/2015 11:39:15 PM EDT

[#14]

Looking at it mounted you are 100% fine to use as is.

Posted: 12/1/2015 11:55:12 PM EDT

[#15]

Yup, pic is worth 1000 words. I'd use that on that barrel.

Posted: 12/2/2015 12:16:16 AM EDT

[#16]

.... But let's talk about the condition of that barrel!

Posted: 12/2/2015 1:03:45 AM EDT

[#17]

Quote History

Quoted:
Dont do this. At the most you can removed deformed material on the edge, but dont touch the mounting face.

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Quote History

Quoted:

Quoted:

should be no problem, however if you are concerned put a piece of sand paper on a flat surface and rub the damaged end on it a little to "true" up the surface.

Dont do this. At the most you can removed deformed material on the edge, but dont touch the mounting face.

why? I would hit that bitch with a file in a heart beat and not think twice?

ETA duh long supressor hung off it. ( <-- behind enemy lines currently and no legal fun stuff )

Posted: 12/6/2015 5:35:23 PM EDT

[#18]

Well, I filed down the bump very carefully, making sure not to touch the flat surface. I tested it today, and didn't get a baffle strike.

Posted: 12/6/2015 6:22:40 PM EDT

[#19]

Yeah, you could file it down at the edge, but don't alter the mating surface unless you can guarantee you can maintain the angle.

I had problems with some muzzle devices where the barrel got in the way of getting a wrench on the flats. Where all the wrenches I had were wider than the flats on the device. I bought a set of extra thin box wrenches to get around that issue.