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Old 08-13-2018, 02:44 PM   #351
stashua
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Originally Posted by timhogan427 View Post
I dont like the shrouds with the holes.also how long is a 16" barrel front the nut to muzzle?
On my shroud (I think it's a usbarrelshrouds product) the length from the rear of the nut to the end is 9 9/16" with a 3/16" recessed barrel. From the front of the barrel nut that is part of the shroud it's 8 9/16" with the same recessed barrel so that's 9 3/8" and 8 3/8" respectively give or take a little. The barrel nut part is 1" long and the end bushing is roughly 1" long. There's about .015" clearance between the end bushing and barrel.
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Old 08-13-2018, 03:24 PM   #352
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so its safe to say ill need a 10" tube. i found some 1008 steel tubing on amazon. 4' for $17. i think its 1.25" outside diameter and .083" thick. sounds perfect for what i need. weld a tube to the nut, make a centered end bushing for the end. make sure it huge the end of the muzzle somewhat snug, but not too tight. i can definitely do this and make it look good. i can even knurl it up for some grip. oh yea :-)

last question. you dont have to drill the lower lug out to 9mm for that larger retaining sleeve pin do you?

Last edited by timhogan427; 08-13-2018 at 04:46 PM.
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Old 08-13-2018, 05:50 PM   #353
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*i wouldnt do that man!

Has to be made from a solid stock

Long and short of it is..the distance or gap between barrel and shroud can not be the diameter or half of the bullet..otherwise your manufacturing a suppresor. Fake or not..if something insulated could be wadded up in it..its labeled as a sound suppressing device. Not trying to ruin your day..but the fun nazis say NO!

*why i went the pistol route.

And yes you can weld stainless to steel using er70s.
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Old 08-13-2018, 06:09 PM   #354
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grrrrrr your right.
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Old 08-13-2018, 06:23 PM   #355
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ok its gonna be a 10" pistol with a kak brace. gonna modify a utg buffer tube mount into a plate to accept the kak tube and brace. it will bolt on just like an uzi stock using that screw and funny nut.
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Old 08-13-2018, 07:48 PM   #356
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http://shop-usbarrelshrouds-com.3dca...e-1_p_266.html

I have been looking at this an trying to figure out the best folding brace to put on it.
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Old 08-13-2018, 08:00 PM   #357
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How are you guys removing the pistol grip lug and forward hanguard lug off the torch cut receiver?
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Old 08-13-2018, 09:08 PM   #358
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On the gripframe thingy I cut the sheet metal off with a cutting wheel around the sides. Then ran it though the mill to clear out the center groove. Can all be done easily with cutoff wheels.

front handguard retainer I cheated like dc holliday, I cut a hunk of I think it was 3/8" keystock long enough to drill the hole for the rear screw. I cut a notch to support the tab on the front of the gripframe. A couple plug welds and the handgaurd hides my nasty deed.

Also my repair section wasn't stamped for the gripframe tab so this seemed easiest.
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Old 08-13-2018, 11:04 PM   #359
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Quote:
Originally Posted by chillypepper View Post
On the gripframe thingy I cut the sheet metal off with a cutting wheel around the sides. Then ran it though the mill to clear out the center groove. Can all be done easily with cutoff wheels.

front handguard retainer I cheated like dc holliday, I cut a hunk of I think it was 3/8" keystock long enough to drill the hole for the rear screw. I cut a notch to support the tab on the front of the gripframe. A couple plug welds and the handgaurd hides my nasty deed.

Also my repair section wasn't stamped for the gripframe tab so this seemed easiest.
Thanks for the info!
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Old Yesterday, 05:57 AM   #360
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i used a 1/2" belt sander from inside the stub. it worked fine. the lug can be simply seeled off the stub. those belt sanders are the shit either air or electric. use ceramic belts though. 1/2"x18". i bought mine off amazon for $30 made by wen. hf sells them too. i use the shit out of it on everything i build. good for finishing welds too. i also buy surface conditioning belts to smooth out the metal and give it a polish to remove the heavy marks.

do i have to drill the grip lug out to 9mm? is that an old requirement or does it still have to be done? i already welded a washer inside to prevent the fa selector position.
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Old Yesterday, 01:15 PM   #361
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The retaining pin hole? Then no, not needed
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Old Yesterday, 01:34 PM   #362
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Where does all this shit come from? Are these old rules? Or was it bs to begin with?
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Old Yesterday, 04:47 PM   #363
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I think this looks pretty sharp. Stormwerkz be makin' some SIG MPX/MCX stock adapters. Should be up on the website in a couple of days when he gets them back from anodizing.

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Old Yesterday, 06:14 PM   #364
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Where does all this shit come from? Are these old rules? Or was it bs to begin with?
Action Arms wanted to import UZIs back in the day and the conversion ATF approved to semi was rather involved to preclude easy conversion back to FA. To that end you had the smaller sear openings in the receiver, the different lower retention pin sizes, the restrictor ring, etc. That may or may not have all been on ATF, IMI may have gone "above and beyond" to ensure approval on the first submission. Most folks, including manufacturers, look to the IMI standard when making their own as it was definitely approved in that configuration.

Over the years folks with registered bolt FA conversions of original IMI semis (slotted FA bolt that fits in a semi-spec receiver) have pestered ATF about converting their semi spec host receiver to closer match FA specs. Over the years ATF has approved pretty much everything except removing the blocking bar. So as it stands today, under current regs and ATF policy, all you have to do to stay legal with a semi conversion is have a receiver with a blocking bar in it, a closed bolt system, and the FA function blocked out of the FCG/Lower. Everything else IMI changed for the semi conversion is optional.
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Old Yesterday, 07:54 PM   #365
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Perfect. That's a great answer. Thanks!
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