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Posted: 9/7/2004 5:27:37 PM EDT
I was checking my rifle out tonight and noticed the flash hider is not on there right. It looks like it is missing a washer behing it or something. When you screw the hider all the way down the solid peice is on the right hand side instead of on the bottom like it is suppose to be. It only has a small thin washer that looks like aluminum or something. Can you guys help me out with this problem? I bought this rifle about 6 months ago never paied any attention to it. Thanks in advance!
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Sounds like someone might have overtightened the FH and flatened the crush washer a little to much. Order a new crush washer then tightened it down "crushing" the crush washer til the FH indexes right.
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"aluminum" like shiny? Sounds like a peel washer to me. Someone didn't install it correctly.
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Can you remove the flash hider? Sounds like either a bad flash hider OR the threads were screwed up where the pin was. If you can take off the flash hider check and see.
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I might be able to remove the FH, but I am worried about not having a vice. Might ask the GS to take it off next week and check it out.
I am sure the MB did not hurt the threads. It was not pinned all the way through! (sneaky ADCO) However, it was red locktited on. Maybe left over LT on the threads? |
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Red loctite will release with alil heat from a torch, heat it up slow when you see smoke and smell burnt rubber you are ready to remove it.
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Pretty sure it standard: 16-16.25. I asked for cut down, permanant install with the MB, but don't think I got it. Length of dowel inserted into bore to breach is 17"+ with MB installed. Same with FH installed.
Thoughts? |
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I was wondering if he didn't put all of those washers in there to get the standard A2 FS to stretch to the legal limit.
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Still wouldn't be legal without pinning it. |
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AF-Blue
Whoa WTF? 3 washers? Your 'smith might want to get his story straight. The threads were already on there if I understand correctly. Might try chasing the threads on both the FH and the muzzle, so they may screw down closer together. If the FH is AFU just try with a different one. |
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I don't know, that's why I asked how long it was. |
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Flash hider looks fine definately too many washers unless its a 14.5 and he did that for the extra legnth.Get a crush washer or peel washer wich I like they are a little finicky to work with but I like em better.
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Thanks for the feedback all. This smith is hit and miss. Some stuff great, some not so great.
A little too much improv on this one though. I'll get the new FH, crush washer and start over. With a new smith. |
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What is the barrel length you are using? |
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Some smiths aren't used to working with military style weapons, in my oppinion it is a different world working on any military weahan EDITED
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I'm not usually a big Spelling Nazi, but you HAVE to spell it "weapon", not "weppon" here of all places, please.
Thank you. I'll go take my medication now. |
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AF_Blue - could you take a picture of the whole barrel up to to and including a little of the upper receiver? If you could lay a tape measure next to it, that would be even better. I think that pic would go a long ways towards figuring things out.
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install is beyond bad, beyond wecsog, beyong crap, I'd sue. |
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Yes. That is the same barrel.
I am fairly certain the overall legnth is from breach to bore is 17"+. I used a plastic dowel droped into the bore until I could touch it in the breach. Marked the top and it consistently measured 17" with the MB and now with the FH. Barrel is standard "pre-ban" unless someone tells me otherwise. |
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AF_Blue,
You don't need a gunsmith to remove that flash suppressor. All the hard work is done. Clamp the barrel and use an appropriate size wrench to remove the FS and slide off the washers. Install the new washer, screw on the FS back on and tighten as needed. Just be careful when you are approaching the final index point. I just do that by eyeball. I'm looking at the thickness of the three washers compared to the thickness of the FS collar they butt up against. I don't see any reason why a crush washer won't index the FH properly as your barrel externally appears fine (I have crush washers on all my rifles). There is a remote possibility the barrel end was turned town a few 1000ths, but I wouldn't really be able to tell without a better pic, or looking at it in person. If that's the case, just use one of those three washers to shim it behind the crush washer. It'll still be better looking than that lash up. I reused a crush washer like this for a short term fix before, and I'll post a pic of it to show you what I mean. Jim |
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Thanks. I may give it a shot.
To "clamp the barrel" should I use some soft blocking material to hold the front sight/barrel? Or should I actually clamp the barrel (only) in some soft material. I obviously don't want to damage the front sight or gas tube by twisting it. Another gunshop in town installs scope mounts all the time and they have a great vice I might ask to use. On the crush washer. Damn these things are hard to come by. Can I get one at Lowes/Home Depot/Hardware. No shop I have been in recently has them. Think they would be a dime-a-dozen in shops... |
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Looks like a piss poor install, wtf did he use regular washers? |
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You may be able to hold the rifle in one hand, and work the wrench with another. You could also have a buddy hold it down on a wooden table, or wooden block. |
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Got the FH off today. Threads are perfect, FH is perfect. The FH hand tightens all the way down the threads. The GS used three peel washers (they look like peel washers). I tried to use just one and get the FH to index. I put alot of force on the FH, but could not get it to turn anymore. (in a vice of course) I thought the peel washer would allow it to spin some more, but obviously not.
GS didn't do a bad job, he obviously couldn't get it to index either. SO he he stacked on washers until it did index. Not a bad improv but how about using a crush washer like I asked... So that's the solution. Back to ADCO for the crush washer and then I'll install it correctly. Thanks for the advice all. Oh and Lawman107, my apologies for hijacking your thread. I hope my solution works for you too! |
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If its a peel washer then PEEL it! Removing Layers from the washer will let you turn the FH farther onto the threads and you will be done. |
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Alright, alright! I tried the peel washer thing and I think it worked
I split one, (carefully) with needle-nose pliers and a utility knife. It split down the middle but it still didn't fit. I sanded it on 600 grit emory paper for about 15 minutes with little effect, then I peeled the cover off and by god I am about 1/8 of a turn from index by hand. I'll tighten it later this week in a vise and be done with it. It's so thin you can barely see it now Peel does = PITA, but if you can't get a crusher washer its definately doable. |
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