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Posted: 4/3/2016 2:31:11 PM EDT
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Won't that do exactly the same thing that's happening now? Not a lot of room to grip on the endcap. I may try anyways. Can't hurt it much more. |
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Some good ideas here.
Pipe wrench will mar the tube up real good, guaranteed. Might wanna try a monkey wrench or strap wrench, first. You could put the whole thing in the freezer, then lock the endcap in the vise (file or grind flats to stop spinning), with tube sticking up. Hit the tube with the flame of a torch and try to spin with the strap or monkey wrench. The heat should expand the tube, hopefully, just what you need. |
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...(file or grind flats to stop spinning)... Even a quick DIY version of this type of mod would be nice. Two flats 180* apart and a big adjustable wrench should do it. |
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Even a quick DIY version of this type of mod would be nice. Two flats 180* apart and a big adjustable wrench should do it. Quoted:
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...(file or grind flats to stop spinning)... Even a quick DIY version of this type of mod would be nice. Two flats 180* apart and a big adjustable wrench should do it. That may be the best option. I don't have fancy tools or access to a welder. I do have a file. It will be ugly. It's soaking in some oil now. I'll let it sit overnight and try again with the torch tomorrow. I would like to salvage the cap if possible. I'm weary to use the thread adapter again, but I don't remember which gun started the strikes or the cause of the misalignment. Either a WOA .223, CMMG 22 upper or m&p22. Thanks for the suggestions. |
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Is this my problem? Looks like no relief cut on the barrel threads. Can I fix using some leftover shims? I've got a Griffins sportsmen coming soon so this can will live on the .22 afterwards. I just want to have a useful can and not have wasted the tax <a href="http://smg.photobucket.com/user/nickgmiller04/media/Mobile%20Uploads/09647B65-048F-420A-9733-66CEECC07967_zpsvnrqskvh.jpg.html" target="_blank">http://img.photobucket.com/albums/v113/nickgmiller04/Mobile%20Uploads/09647B65-048F-420A-9733-66CEECC07967_zpsvnrqskvh.jpg</a> <a href="http://smg.photobucket.com/user/nickgmiller04/media/Mobile%20Uploads/8E115F47-9B42-470D-BB20-8C39BE9EEFC8_zpsqhwo8anb.jpg.html" target="_blank">http://img.photobucket.com/albums/v113/nickgmiller04/Mobile%20Uploads/8E115F47-9B42-470D-BB20-8C39BE9EEFC8_zpsqhwo8anb.jpg</a> Yes that is a likely cause for misalignment, if the shims are true they would solve the issue. You could also take the cap to a local machine shop and have them add a thread relief |
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Is this my problem? Looks like no relief cut on the barrel threads. Can I fix using some leftover shims? I've got a Griffins sportsmen coming soon so this can will live on the .22 afterwards. I just want to have a useful can and not have wasted the tax <a href="http://smg.photobucket.com/user/nickgmiller04/media/Mobile%20Uploads/09647B65-048F-420A-9733-66CEECC07967_zpsvnrqskvh.jpg.html" target="_blank">http://img.photobucket.com/albums/v113/nickgmiller04/Mobile%20Uploads/09647B65-048F-420A-9733-66CEECC07967_zpsvnrqskvh.jpg</a> <a href="http://smg.photobucket.com/user/nickgmiller04/media/Mobile%20Uploads/8E115F47-9B42-470D-BB20-8C39BE9EEFC8_zpsqhwo8anb.jpg.html" target="_blank">http://img.photobucket.com/albums/v113/nickgmiller04/Mobile%20Uploads/8E115F47-9B42-470D-BB20-8C39BE9EEFC8_zpsqhwo8anb.jpg</a> A local machine shop should be able to help you cut the relief. I had friend do it with a countersink bit on a drill press. Could not follow if you got the end cap off or not, but TWO RUBBER STRAP WRENCHES is about your only hope for getting them off without mods. The next step would be to drill two holes for a adjustable spanner wrench. You really need the spanner holes anyways. Also the end caps tend to never come off, I use anti-sieze on the end caps (to make them removable and rockset (a single drop) on the adapter end to keep it on. |
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Thanks for the help and suggestions. End cap is still stuck, although at this point I'm not sure why I'm trying to get it off anymore. It's already got some damage, and maybe I could eventually get a griffin taper mount adapter for it to keep using it on this rifle. (Getting a sportsmen soon and will have mounts on this 223 and a 308)
Otherwise I've got no use for a direct thread rifle can except for a 22 upper. May as well just keep shooting it instead of replacing the endcap. Might try filing some flats in the cap this weekend. |
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Get the end cap bored out on a lathe until the hole through it is almost the size of the threads in your tube. The remains of the cap will release their death grip on your tube. The alternative is to just toss the thing and get a new tube and cap.
An alternative is to drill or slot the end so you can get a hacksaw blade through the hole. CAREFULLY saw a radial slot out to the edge of the threads. Use a chisel and split the cap. It will easily unscrew. |
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O.P. if you have a drill press.............
Drill two holes at 12 and 6 O'clock positions near outer edge of exit hole end cap. Pound in a couple SOLID steel dowels. Putl dowel end in vise flush to end cap face and tighten down hard. Vise becomes your "spanner wrench". Wrap tube in blue painters tape at least two layers thick to prevent scratch/scuff Strap wrench or "3/8 socket gear wrench" on tube. Put 1-2 ft. pipe extension on strap wrench/gear wrench handle for more grunt. It will come off. |
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It is called a repair and is allowed by the BATFE. They've specifically ok'd end cap and thread repairs, due to baffle strikes. Quoted:
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Since when can we freely replace parts? Did the king change his ways? It is called a repair and is allowed by the BATFE. They've specifically ok'd end cap and thread repairs, due to baffle strikes. Not to civilians last I checked, only 07/02s can repair a can, form1 or otherwise ETA: modifying to remove stuck endcaps, adding thread relief, etc. is ok. Replacing parts is a no-no |
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From ATF's FAQ page Q2: May a Federal firearms licensee repair a silencer by replacing worn or damaged components? A: Yada,yada,yada... "Persons other than qualified manufacturers may repair silencers" Nice creative editing, try using the entire question and answer Q2: May a Federal firearms licensee repair a silencer by replacing worn or damaged components? A: A person who is licensed under the Gun Control Act (GCA) to manufacture firearms and who has paid the special (occupational) tax to manufacture National Firearms Act (NFA) firearms may replace a component part or parts of a silencer. Repairs may not be done if they result in removal, obliteration, or alteration of the serial number, as this would violate 18 U.S.C. § 922(k). If a silencer part bearing the serial number, other than the outer tube, must be replaced, the new part must be marked with the same serial number as the replacement part. The term “repair” does not include replacement of the outer tube of the silencer. The outer tube is the largest single part of the silencer, the main structural component of the silencer, and is the part to which all other component parts are attached. The replacement of the outer tube is so significant an event that it amounts to the “making” of a new silencer. As such, the new silencer must be marked, registered and transferred in accordance with the NFA and GCA. In the event that identical replacement parts for a silencer are not available, new and different component parts may be used as long as the silencer retains the same dimensions and caliber. In addition, the repair may result in a minimal reduction in the length of the outer tube due to rethreading, but repair may not increase the length of the outer tube. Increasing the length of the outer tube significantly affects the performance of the silencer and results in the “making” of a new silencer. As stated above, a new silencer must be marked, registered and transferred in accordance with the NFA and GCA. Reducing the length of the tube by a minimal amount in order to repair a silencer is often necessary to replace damaged end caps, as the tube must be rethreaded. Such minimal reduction of the length of the tube uses all of the original parts, does not significantly affect performance of the silencer, and may be done as part of a repair process without making a new silencer. Persons other than qualified manufacturers may repair silencers, but replacement parts are “silencers” as defined in 18 U.S.C. § 921(a)(24) that must be registered and transferred in accordance with the NFA and GCA. Bold, Itiacs, and red - you know, since you obviously missed it in your version |
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Nice creative editing, try using the entire question and answer Bold, Itiacs, and red - you know, since you obviously missed it in your version Quoted:
Nice creative editing, try using the entire question and answer Bold, Itiacs, and red - you know, since you obviously missed it in your version Oh good, you can read, too! Wait, if you could read, or better yet comprehend, you'd see that my original comment was towards ones ability to do so and not the path that must be undertaken. I'll post it for you. Quoted:
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Since when can we freely replace parts? Did the king change his ways? It is called a repair and is allowed by the BATFE. They've specifically ok'd end cap and thread repairs, due to baffle strikes. Did I say, anywhere, that you don't need to register the new part? NoScoE30 referred to the procedure as "freely replace" and I simply corrected him as to the correct definition. BATFE calls it a repair and so did I. As to my "creative editing", I took the necessary part of a document to prove the validity of my claim. Everything else, you feel was needed, or better yet another unneeded WOT, had nothing to do with the fact that it IS legal for an individual to repair a silencer. Just as it is legal for an individual to build a silencer. Yes, registration of parts is needed, but it is still legal to do so. Stop nitpicking and stick to the facts. |
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Oh good, you can read, too! Wait, if you could read, or better yet comprehend, you'd see that my original comment was towards ones ability to do so and not the path that must be undertaken. I'll post it for you. Did I say, anywhere, that you don't need to register the new part? NoScoE30 referred to the procedure as "freely replace" and I simply corrected him as to the correct definition. BATFE calls it a repair and so did I. As to my "creative editing", I took the necessary part of a document to prove the validity of my claim. Everything else, you feel was needed, or better yet another unneeded WOT, had nothing to do with the fact that it IS legal for an individual to repair a silencer. Just as it is legal for an individual to build a silencer. Yes, registration of parts is needed, but it is still legal to do so. Stop nitpicking and stick to the facts. Quoted:
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Nice creative editing, try using the entire question and answer Bold, Itiacs, and red - you know, since you obviously missed it in your version Oh good, you can read, too! Wait, if you could read, or better yet comprehend, you'd see that my original comment was towards ones ability to do so and not the path that must be undertaken. I'll post it for you. Quoted:
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Since when can we freely replace parts? Did the king change his ways? It is called a repair and is allowed by the BATFE. They've specifically ok'd end cap and thread repairs, due to baffle strikes. Did I say, anywhere, that you don't need to register the new part? NoScoE30 referred to the procedure as "freely replace" and I simply corrected him as to the correct definition. BATFE calls it a repair and so did I. As to my "creative editing", I took the necessary part of a document to prove the validity of my claim. Everything else, you feel was needed, or better yet another unneeded WOT, had nothing to do with the fact that it IS legal for an individual to repair a silencer. Just as it is legal for an individual to build a silencer. Yes, registration of parts is needed, but it is still legal to do so. Stop nitpicking and stick to the facts. Yeah, you can make a new tube with another registered can too. I'm sure you meant that it was possible to do with proper registration, like anyone reading your reply would do said repair knowing approved application was neccessary |
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From ATF's FAQ page Q2: May a Federal firearms licensee repair a silencer by replacing worn or damaged components? A: Yada,yada,yada... "Persons other than qualified manufacturers may repair silencers" There is a big difference between "repair" and "parts replacement"...... An individual may repair existing parts, replace wipes, or make minor mods to the tube (due to lack of replacement parts....which would have to be manufactured or procured by a licensed manufacturer anyway) If the endcap is trashed on a suppressor that was F1'd by an individual, only a licensed manufacturer.....not the original maker, may legally make a replacement endcap.....period...... |
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So, we agree it is legal for an individual to complete these repairs? And that said individuals should consult any and all applicable laws, before attempting work on firearms. Afaik, its perfectly legal to work on the endcap, mounting structure. The entanglement comes from the buffer stack? Once there we enter the realm of "suppression". Etc.. In my limited knowledge etc... Someone will correct me gladly. 
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There is a big difference between "repair" and "parts replacement"...... An individual may repair existing parts, replace wipes, or make minor mods to the tube (due to lack of replacement parts....which would have to be manufactured or procured by a licensed manufacturer anyway) If the endcap is trashed on a suppressor that was F1'd by an individual, only a licensed manufacturer.....not the original maker, may legally make a replacement endcap.....period...... Quoted:
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From ATF's FAQ page Q2: May a Federal firearms licensee repair a silencer by replacing worn or damaged components? A: Yada,yada,yada... "Persons other than qualified manufacturers may repair silencers" There is a big difference between "repair" and "parts replacement"...... An individual may repair existing parts, replace wipes, or make minor mods to the tube (due to lack of replacement parts....which would have to be manufactured or procured by a licensed manufacturer anyway) If the endcap is trashed on a suppressor that was F1'd by an individual, only a licensed manufacturer.....not the original maker, may legally make a replacement endcap.....period...... Technically your wrong and the other poster was correct (although not very clear). The Form 1 maker can replace the end cap with a new one by applying for and being issued a tax stamp for the replacement part. They can engrave that part and install it themselves. These would be considered acceptable methods to do fix the problem: 1) Have a SOT replace the part 2) Have a SOT repair the part 3) New Form 1 stamp for endcap and have Maker make/install the part 4) New Form 1 stamp for endcap and have Maker repair the part (add material, for example by welding in new material) 5) Maker repairs the part without adding new material (probably an overbore in this case) |
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Technically your wrong and the other poster was correct (although not very clear). The Form 1 maker can replace the end cap with a new one by applying for and being issued a tax stamp for the replacement part. They can engrave that part and install it themselves. These would be considered acceptable methods to do fix the problem: 1) Have a SOT replace the part 2) Have a SOT repair the part 3) New Form 1 stamp for endcap and have Maker make/install the part 4) New Form 1 stamp for endcap and have Maker repair the part (add material, for example by welding in new material) 5) Maker repairs the part without adding new material (probably an overbore in this case) Quoted:
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From ATF's FAQ page Q2: May a Federal firearms licensee repair a silencer by replacing worn or damaged components? A: Yada,yada,yada... "Persons other than qualified manufacturers may repair silencers" There is a big difference between "repair" and "parts replacement"...... An individual may repair existing parts, replace wipes, or make minor mods to the tube (due to lack of replacement parts....which would have to be manufactured or procured by a licensed manufacturer anyway) If the endcap is trashed on a suppressor that was F1'd by an individual, only a licensed manufacturer.....not the original maker, may legally make a replacement endcap.....period...... Technically your wrong and the other poster was correct (although not very clear). The Form 1 maker can replace the end cap with a new one by applying for and being issued a tax stamp for the replacement part. They can engrave that part and install it themselves. These would be considered acceptable methods to do fix the problem: 1) Have a SOT replace the part 2) Have a SOT repair the part 3) New Form 1 stamp for endcap and have Maker make/install the part 4) New Form 1 stamp for endcap and have Maker repair the part (add material, for example by welding in new material) 5) Maker repairs the part without adding new material (probably an overbore in this case) I'm out....... 
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How are manufactures able to sell end caps, for their suppressors?Is there a separate law? What if your DIY can uses a pre made end cap? Some sell muzzle brakes that use the same type of cap at the end, so the cap is no longer just a silencer part. I think others just requested a variance from the ATF. |
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