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Posted: 12/27/2019 10:30:37 PM EST
So I have a gemtech suppressor and it’s getting some serious buildup in the flash suppressor building up around the bore. The flash suppressor is not budging as I think it’s carbon locked and there’s nothing to grab ahold of the barrel with a wrench other than using my hand to unscrew the flash suppressor. Any suggestions?
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Posted: 12/27/2019 10:41:00 PM EST
Barrel block.
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Posted: 12/27/2019 10:43:41 PM EST
I think everyone who does their own work should have one of these: upper receiver vice block
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Posted: 12/27/2019 10:44:17 PM EST
Heat the flash suppressor up with flame.
Barrel vice clamps. |
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Posted: 12/27/2019 11:10:13 PM EST
Quote History Originally Posted By Lexington:
I think everyone who does their own work should have one of these: upper receiver vice block |
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USA
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Posted: 12/28/2019 12:01:55 AM EST
Get something that engages the locking lugs like a bev block from magpul
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Posted: 12/28/2019 12:21:35 AM EST
Quote History Originally Posted By Jinxsters:
I have one of those. I’m afraid I’m going to break it trying to unscrew it. Quote HistoryOriginally Posted By Jinxsters:
Originally Posted By Lexington:
I think everyone who does their own work should have one of these: upper receiver vice block |
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Posted: 12/28/2019 12:25:07 AM EST
Might the muzzle device be pinned?
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Posted: 12/28/2019 12:53:00 AM EST
If it was installed with Rocksett just leave the muzzle submerged in a jar of water overnight.
Water for Rocksett Heat for Locktite |
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Posted: 12/28/2019 1:14:16 AM EST
Quote History Originally Posted By Lexington:
I think everyone who does their own work should have one of these: upper receiver vice block The proper thing is to use a barrel block/vise as was previously suggested. |
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AL, USA
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Posted: 12/28/2019 1:32:14 AM EST
Best tool I have found for barrel and MD installs. It’s expensive but worth every penny
MI Upper Receiver Rod |
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Posted: 12/28/2019 1:39:51 AM EST
Quote History Originally Posted By TechOps:
Might the muzzle device be pinned? |
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MS, USA
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Posted: 12/28/2019 2:35:43 AM EST
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Posted: 12/28/2019 6:05:21 AM EST
If it's frozen, DO NOT attempt to remove it without a barrel vise. You can usually get away with removing muzzle devices using a vise block or reaction rod, but if it's frozen on there for some reason you're going to run a serious risk of unthreading your barrel from the extension.
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Posted: 12/28/2019 2:59:22 PM EST
Quote History Originally Posted By 6GUNZ:
If it's frozen, DO NOT attempt to remove it without a barrel vise. You can usually get away with removing muzzle devices using a vise block or reaction rod, but if it's frozen on there for some reason you're going to run a serious risk of unthreading your barrel from the extension. |
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Posted: 12/28/2019 3:30:06 PM EST
Yep, barrel vise.
You could try to make your own, but the key is having a vise. |
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Posted: 12/28/2019 3:36:10 PM EST
Quote History Originally Posted By MisterPX:
Yep, barrel vise. You could try to make your own, but the key is having a vise. |
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Posted: 12/28/2019 4:52:52 PM EST
$250 for a barrel vise!??????
We must have different defintions of what a barrel vise is. Presuming one already has a vise, work can be done with rubber mat thru aluminum angle. |
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Posted: 12/28/2019 4:57:20 PM EST
[Last Edit: 12/28/2019 4:58:32 PM EST by M4-AR]
 
I’ve used it more times than I thought I would, only way I do muzzle devices now. |
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Posted: 12/28/2019 5:36:11 PM EST
Quote History Originally Posted By MisterPX:
$250 for a barrel vise!?????? We must have different defintions of what a barrel vise is. Presuming one already has a vise, work can be done with rubber mat thru aluminum angle. |
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Posted: 12/28/2019 7:14:30 PM EST
Decent bench vise, wood blocks and some rosin to start.
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NC, USA
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Posted: 12/28/2019 11:45:56 PM EST
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Posted: 12/29/2019 2:44:19 AM EST
Quote History Originally Posted By lysanderxiii:
Why pay big money for something you can make yourself? And if you put the wood blocks in a shop press they’ll just split. You need steel blocks in a barrel vise, with either a jack or bolts. If it’s just an AR FH you can get away with aluminum blocks, maybe even nylon. But definitely not pine. |
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Posted: 12/29/2019 3:34:10 AM EST
[Last Edit: 12/29/2019 3:37:25 AM EST by KitBuilder]
This is when having a pinned A-frame FSB is great, since it's easy to clamp in a padded vice.
Spray penetrating oil at the suppressor threads, and let it sit an hour with gravity pulling the oil into the threads. Then clamp the barrel as best you can in a padded vice, and heat the suppressor with an oxy-acetylene torch. The penetrating oil will catch fire, but NBD. Keep the flame off the barrel to prevent discoloring it. Unscrew using a wrench. |
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NC, USA
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Posted: 12/29/2019 1:41:39 PM EST
Quote History Originally Posted By 6GUNZ:
I’ve tried it. Vise doesn’t have enough force. Barrel just spins. And if you put the wood blocks in a shop press they’ll just split. You need steel blocks in a barrel vise, with either a jack or bolts. If it’s just an AR FH you can get away with aluminum blocks, maybe even nylon. But definitely not pine. |
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Posted: 12/29/2019 3:08:02 PM EST
Quote History Originally Posted By 6GUNZ:
I’ve tried it. Vise doesn’t have enough force. Barrel just spins. And if you put the wood blocks in a shop press they’ll just split. You need steel blocks in a barrel vise, with either a jack or bolts. If it’s just an AR FH you can get away with aluminum blocks, maybe even nylon. But definitely not pine. |
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Posted: 12/29/2019 4:08:27 PM EST
Quote History Originally Posted By 6GUNZ:
I've tried it. Vise doesn't have enough force. Barrel just spins. Thin rubber-padded aluminum vice inserts have worked for me. |
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OH, USA
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Posted: 12/29/2019 4:24:24 PM EST
I'm cheap so an old thick leather belt wrapped around barrel clamped in a vise.
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Posted: 1/1/2020 9:12:36 AM EST
Home made wooden barrel clamp worked for me.
I agree with the soaking in water with the assumption that Rocksett was used. I just took one off an just set it barrel down in a bowl of boiling water for about 15 minutes and it came of fairly easily. Not sure if hot water helps but I figure it wouldn't hurt to get it to soak into the Rocksett faster. |
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ME, USA
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Posted: 1/1/2020 9:48:05 AM EST
Quote History Originally Posted By 6GUNZ:
I’ve tried it. Vise doesn’t have enough force. Barrel just spins. B |
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Posted: 1/1/2020 9:54:52 AM EST
Quote History Originally Posted By bpm990d: That is why you put powdered rosin on the block. Brownells use to sell a lifetime supply in a plastic bottle but they don't seem to carry it any more. You can get it on Amazon. B |
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Posted: 1/1/2020 10:06:06 AM EST
Quote History Originally Posted By 6GUNZ:
Yea it's getting hard to find for some reason. Quote HistoryOriginally Posted By 6GUNZ:
Originally Posted By bpm990d: That is why you put powdered rosin on the block. Brownells use to sell a lifetime supply in a plastic bottle but they don't seem to carry it any more. You can get it on Amazon. B |
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Posted: 1/1/2020 10:30:52 AM EST
Muzzle down over night soak of the brake in this:
https://www.boretech.com/products/c4-carbon-remover |
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Posted: 1/1/2020 10:50:06 AM EST
Barrel clamping blocks in my bench vise.
Just using the receiver clamp pieces in the vise scares the hell out of me (looks like something is going to slip or break.) |
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Posted: 1/1/2020 11:06:58 AM EST
[Last Edit: 1/1/2020 11:11:57 AM EST by dntama]
Line your barrel block with paper or cardboard and it will prevent spinning and help grip the barrel without damaging the finish. The trick is to get the vise tight and using the right size of barrel block. I sometimes have to hit my vise handle with a rubber mallet to get it tight enough.
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CO, USA
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Posted: 1/1/2020 11:08:54 AM EST
Quote History Originally Posted By 6GUNZ:
I’ve tried it. Vise doesn’t have enough force. Barrel just spins. And if you put the wood blocks in a shop press they’ll just split. You need steel blocks in a barrel vise, with either a jack or bolts. If it’s just an AR FH you can get away with aluminum blocks, maybe even nylon. But definitely not pine. Clamp two pieces of 1x stock with a piece of cardboard or tag board in between to space them apart slightly, then drill the hole centered on the cardboard. That way you can clamp the barrel without the blocks touching each other and the full clamping force is applied to the barrel. |
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Posted: 1/1/2020 1:04:26 PM EST
[Last Edit: 1/1/2020 1:08:46 PM EST by swOHmatt]
There seems to be a pissing contest over what is the best way to clamp a barrel. I’m not wading into that mess, but I will say you want something that directly clamps the barrel.
You do not want this, nor this, or this. You’d stand the very real possibility of unscrewing the barrel from the extension. Those tools serve a purpose, I own each of the three, but they are not the right tool for this project. |
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AZ, USA
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Posted: 1/1/2020 2:26:25 PM EST
I have a bench vise, so I took an old leather belt and cut two pieces the length of the vice jaws. I gorilla glued the leather pieces to my vise jaws. I'll put some powdered rosin on the barrel and then tighten the vise jaws. With enough rosin and the jaws nice and tight the barrel won't spin.
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Posted: 1/1/2020 3:03:44 PM EST
Quote History Originally Posted By 6GUNZ:
Not unless the barrel has flats on it. You'll never get a vise tight enough. I know because I've tried. The barrel just spins. Quote HistoryOriginally Posted By 6GUNZ:
Originally Posted By MisterPX:
$250 for a barrel vise!?????? We must have different defintions of what a barrel vise is. Presuming one already has a vise, work can be done with rubber mat thru aluminum angle. |
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Posted: 1/1/2020 4:21:44 PM EST
Leather belt and bench vice.
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Posted: 1/3/2020 4:01:52 PM EST
FYI Rosin at Midway
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Posted: 1/3/2020 4:02:10 PM EST
[Last Edit: 1/3/2020 4:02:39 PM EST by soulman]
Double tap
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TN, USA
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Posted: 1/8/2020 9:34:07 AM EST
Back in PA I had acess to an old vise it looked like a Prentiss BULL DOG Bench Vise No. 53, never had anything slip in that vice, as a kid I ruined more parts with over clamping than I can to admit. You just don't see these for sale like the old Parker or Prentiss anymore,
as posted always clamp closet to where you are working, I've used hard maple for blocks and crush the wood to fit or I'd cut a set of V blocks out of hard maple. Using any kind or upper receiver block clamping fixture for muzzle work is just asking for trouble. |
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Posted: 1/16/2020 4:51:05 PM EST
Quote History Originally Posted By 6GUNZ:
Not unless the barrel has flats on it. You'll never get a vise tight enough. I know because I've tried. The barrel just spins. Quote HistoryOriginally Posted By 6GUNZ:
Originally Posted By MisterPX:
$250 for a barrel vise!?????? We must have different defintions of what a barrel vise is. Presuming one already has a vise, work can be done with rubber mat thru aluminum angle. The barrel will not spin. You need a good vice though... |
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Posted: 1/26/2020 4:57:56 PM EST
Quote History Originally Posted By sphillips:
Best tool I have found for barrel and MD installs. It’s expensive but worth every penny MI Upper Receiver Rod |
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WA, USA
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Posted: 1/26/2020 5:25:30 PM EST
Quote History Originally Posted By MisterPX:
$250 for a barrel vise!?????? We must have different defintions of what a barrel vise is. Presuming one already has a vise, work can be done with rubber mat thru aluminum angle. |
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Posted: 2/19/2020 2:05:43 AM EST
[Last Edit: 2/19/2020 2:15:00 AM EST by Jinxsters]
Quote HistoryOriginally Posted By abnk: This. Did you figure it out, OP? @abnk Even what you possibly linked I'm wondering if I could twist the barrel. That flash suppressor is on there, and no it isn't pinned. I can see carbon like concrete built up on the sides where it meets flash suppressor to the throat of the muzzle. It's why I'm wanting to take the flash suppressor so I can clean it. I'm guessing it's build up from the crappy foam cleaner I was using and the carbon from the suppresor. I switched up barrel cleaners. I'm now using Bore tech eliminator which is amazing! |
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Posted: 2/19/2020 2:44:03 AM EST
Quote History Originally Posted By Wangstang:
Muzzle down over night soak of the brake in this: https://www.boretech.com/products/c4-carbon-remover |
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Posted: 2/19/2020 7:52:17 AM EST
Green loctite can sometimes be broken free by a deep freeze...if you have a good freezer, it may not hurt to try.
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USA
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Posted: 2/19/2020 8:34:52 AM EST
[Last Edit: 2/19/2020 8:36:12 AM EST by Minuteman556]
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Posted: 2/19/2020 8:52:41 AM EST
Quote History Originally Posted By finnfan:
Decent bench vise, wood blocks and some rosin to start. |
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