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Posted: 10/9/2001 10:44:19 AM EDT
Link Posted: 10/9/2001 11:04:34 AM EDT
Link Posted: 10/9/2001 11:16:54 AM EDT
The BATF accepted methods of attaching a threaded muzzle brake are to silver solder it on using high temperature silver solder, blind pin it in place with a hardened pin, welding or blind pinning and welding. Did I get them all?
Link Posted: 10/9/2001 12:23:53 PM EDT
Link Posted: 10/9/2001 3:50:53 PM EDT
I've never heard of ATF accepting just a pin - the approved methods I've seen in writing are: 1) Silver solder with high temp (1100F) silver solder. 2) four or more equidistant spot welds 3) seam weld over 50% of the brake's circumference 4) blind pin and weld over the pin. Chemical adhesives and simple pinning (without welding over the pin) have never been approved to my knowledge. Dave_G: If you've got a reference to simple pinning being accepted, I'd appreciate a link.
Link Posted: 10/11/2001 12:58:07 AM EDT
Originally Posted By Circuits: 1) Silver solder with high temp (1100F) silver solder. 2) four or more equidistant spot welds 3) seam weld over 50% of the brake's circumference 4) blind pin and weld over the pin.
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Olympic does it differently. They use 4 set screws, that are Loktited in place, fitting into a groove that has been machined into the barrel. Mark
Link Posted: 10/11/2001 3:52:17 AM EDT
Link Posted: 10/11/2001 4:41:13 AM EDT
budam is this on a threaded barrel.
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No, its not on a threaded barrel. Attached this way its actually removeable. You must permanently cover the threads and this way will not do. The barrel he speaks of is a postban.
Link Posted: 10/11/2001 12:12:03 PM EDT
budam: As noted above, if there are no threads on the muzzle, the brake doesn't have to be permanently attached for post-ban legality. The object of permanent attachment on a post-ban is to cover the otherwise forbidden 'threads for a flash suppressor'
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