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Posted: 1/24/2016 11:52:16 PM EDT
| Ok. I'm building a ump sbr in 45acp. I'd like a can to go along with it. I have found one of the older AAC ump suppressors in 40s&w. So my question is can I take the. 40 cal can, jail break it, and then open the baffles and end cap to .49 or there abouts? |
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Nope. Can't change the caliber of the suppressor without another tax stamp.
Q: May a repair change the dimensions or caliber of a silencer? A: If alterations to a silencer would increase the overall length or change the diameter or caliber of a silencer, this is the making of a new silencer, as opposed to a repair. The new silencer must be registered and transferred in accordance with the NFA and the GCA. Alterations to a registered silencer that result in a minimal reduction in the overall length for purposes of rethreading are permissible as repairs. However, the reduction in length may not result in the removal, obliteration, or alteration of the existing serial number, as this would violate 18 U.S.C. § 922(k). If such a repair is necessary, the damaged silencer should be destroyed or returned to the registrant. If it is destroyed, destruction should be reported to the NFA Branch. Any replacement silencer must be registered and transferred in accordance with the NFA and the GCA. See also May a Federal Firearms Licensee repair a silencer by replacing worn or damaged components? and May the outer tube of a registered silencer be repaired due to damage? If so, may the repair be done by someone other than the original manufacturer? for further information on repairs. |
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Quoted: Ok? When it transfers to my 07 dealer he does it before the form 4 is filed. My question is not a tax one as much as a physicality one. I'd think the tube can handle it. I'd guess the 45 has a lower internal pressure in the can than the 40 Why not just have him make you a .45" can of the same length & external diameter? You're paying a tax stamp for a new can anyway - why not get a new can? |
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Quoted:
Why not just have him make you a .45" can of the same length & external diameter? You're paying a tax stamp for a new can anyway - why not get a new can? Quoted:
Quoted: Ok? When it transfers to my 07 dealer he does it before the form 4 is filed. My question is not a tax one as much as a physicality one. I'd think the tube can handle it. I'd guess the 45 has a lower internal pressure in the can than the 40 Why not just have him make you a .45" can of the same length & external diameter? You're paying a tax stamp for a new can anyway - why not get a new can? I don't think there are any new cans that work on the UMP. The UMP rose to glory and faded from it faster than anything I've ever seen. The best option would just be to have a barrel threaded appropriately to use any .45 suppressor on it...but if he's going for a particular setup, buying the silencer he wants and having it modified may be the only way. If an 07/02 modifies the suppressor, wouldn't he only be on the hook for the transfer tax? |
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Quoted: I don't think there are any new cans that work on the UMP. The UMP rose to glory and faded from it faster than anything I've ever seen. The best option would just be to have a barrel threaded appropriately to use any .45 suppressor on it...but if he's going for a particular setup, buying the silencer he wants and having it modified may be the only way.
If an 07/02 modifies the suppressor, wouldn't he only be on the hook for the transfer tax? It's just a bog-standard .45" ACP blowback gun, no? |
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Quoted:
It's just a bog-standard .45" ACP blowback gun, no? Quoted:
Quoted: I don't think there are any new cans that work on the UMP. The UMP rose to glory and faded from it faster than anything I've ever seen. The best option would just be to have a barrel threaded appropriately to use any .45 suppressor on it...but if he's going for a particular setup, buying the silencer he wants and having it modified may be the only way.
If an 07/02 modifies the suppressor, wouldn't he only be on the hook for the transfer tax? It's just a bog-standard .45" ACP blowback gun, no? You forget, HK hates you because they're more operator than you'll ever be. 
As far as I know, B&T, AAC, and Gemtech are the only companies that made a suppressor for the UMP. The B&T has never been available in the U.S., and the other two were discontinued a while ago. |
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Quoted:
It's a clip on Anything can be replicated it's more of an issue of easier to make something work than start from scratch Quoted:
Quoted: I guess I'm not understanding why the original attachment mechanism can't be replicated. I get that it's non-standard. It's a clip on Anything can be replicated it's more of an issue of easier to make something work than start from scratch Fair enough. Is can aluminum, steel, or? |
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