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AR15.COM
4/30/2025 4:50:55 PM EDT
Googling and can't find shit - are destructive devices (like M203, etc) legal in MN? It'd be nice to do an AR/M203 clone

From what I can gather, "some DDs" are prohibited, which probably means things like the old Cobray Street Sweeper and shit like that that was declared a DD after the fact...but I can't find anything to back that up, either.

I mean I can always get an 37mm barrel too, but it'd be nice to do the full fat 40mm...
"Oh, bother," said Pooh, as he pulled the pin on another grenade...
5/1/2025 3:05:07 PM EDT
[#1]
Well there is only 1 "09" FFL in MN and that is Streichers in Plymouth
See ATF List

So the market does not look very big.

Perhaps you could call them or better yet go in there.  They are easy to find off 55 west of 169.

MN Law
jme and I am a NRA Endowment Member

Don't be too timid and squeamish about your actions. All life is an experiment. The more experiments you make the better.
R W Emerson
5/1/2025 4:12:07 PM EDT
[#2]
Streichers is the the only type 09, but there's a bunch of type 10s (manufacturer of DD)...hm.

There's apparently a form at the Department of Public Safety/Bureau of Criminal Apprehension that's similar to the C&R MG form that you need to fill out before buying one? I guess I'll give them a call and find out, though I bet the person I talk to has no idea about how this all may or may not work...
"Oh, bother," said Pooh, as he pulled the pin on another grenade...
5/1/2025 4:43:03 PM EDT
[#3]
Called BCA...they have no idea, they told me to call DPS

Called DPS, they have no idea; I told them BCA told me to call them, so they sent me to State Police

State Police said "hold please, I'll transfer you" before I could say much and just sent me back to BCA...

sigh
"Oh, bother," said Pooh, as he pulled the pin on another grenade...
5/1/2025 6:53:46 PM EDT
[#4]
Call Maxim Defense they are listed as "10"
jme and I am a NRA Endowment Member

Don't be too timid and squeamish about your actions. All life is an experiment. The more experiments you make the better.
R W Emerson
5/2/2025 9:09:43 AM EDT
[#5]
Form 1s are GTG.



5/2/2025 11:24:02 AM EDT
[#6]
Nice Hardware
jme and I am a NRA Endowment Member

Don't be too timid and squeamish about your actions. All life is an experiment. The more experiments you make the better.
R W Emerson
5/2/2025 12:29:44 PM EDT
[#7]
Quote History
Originally Posted By THEdtw:
Form 1s are GTG.

https://i.imgur.com/JxF3Ltu.jpeg

https://i.imgur.com/CXM89s1.jpeg
View Quote


Ok, so just a form 1 and no further weird MN shit to deal with? Sensational! Thank you!!!!

"Oh, bother," said Pooh, as he pulled the pin on another grenade...
5/2/2025 3:50:24 PM EDT
[#8]
And also heard back from Ben Rust - NFA and that's it, no weird MN stuff to deal with at all, just as a backstop confirmation (I asked him yesterday and didn't get a response until a little bit ago)

Thanks everyone!
"Oh, bother," said Pooh, as he pulled the pin on another grenade...
5/6/2025 10:28:40 AM EDT
[#9]
Boy there is some neat 40MM shells.  bean bag  - rubber balls -  foam impact rounds
jme and I am a NRA Endowment Member

Don't be too timid and squeamish about your actions. All life is an experiment. The more experiments you make the better.
R W Emerson
5/6/2025 1:01:18 PM EDT
[#10]
Quote History
Originally Posted By rn22723:
Boy there is some neat 40MM shells.  bean bag  - rubber balls -  foam impact rounds
View Quote

Indeed! I need to order some components and figure out how to make chalk marking rounds...man I don't want to have to buy a 3d printer just for this
"Oh, bother," said Pooh, as he pulled the pin on another grenade...
5/23/2025 7:15:45 PM EDT
[#11]
Quote History
Originally Posted By THEdtw:
Form 1s are GTG.

https://i.imgur.com/JxF3Ltu.jpeg

https://i.imgur.com/CXM89s1.jpeg
View Quote



What are you using for optics on your "Larger Bore", how accurate is it.. I have a beer can-tennis ball/golf ball launcher that uses 5.56x45 blacks and would like to put a sight us some sorts on it..
There comes a time when you look into the mirror and realize that what you see is all that you will ever be. Then you accept it, kill yourself, or you stop looking into mirrors.
5/24/2025 11:02:23 AM EDT
[Last Edit: rn22723][Edited] [#12]
That EO Tech ought to be great for playing corn hole at long ranges!
jme and I am a NRA Endowment Member

Don't be too timid and squeamish about your actions. All life is an experiment. The more experiments you make the better.
R W Emerson
5/25/2025 4:08:50 PM EDT
[#13]
Quote History
Originally Posted By firemedic5586:



What are you using for optics on your "Larger Bore", how accurate is it.. I have a beer can-tennis ball/golf ball launcher that uses 5.56x45 blacks and would like to put a sight us some sorts on it..
View Quote View All Quotes
View All Quotes
Quote History
Originally Posted By firemedic5586:
Originally Posted By THEdtw:
Form 1s are GTG.

https://i.imgur.com/JxF3Ltu.jpeg

https://i.imgur.com/CXM89s1.jpeg



What are you using for optics on your "Larger Bore", how accurate is it.. I have a beer can-tennis ball/golf ball launcher that uses 5.56x45 blacks and would like to put a sight us some sorts on it..

KAC leaf sight is pretty spot on for the M203 with full power chalk rounds.  I'd assume your launcher is flat top so you could mount any 1913 front sight to line up with.  Pretty easy to use, you'd just have to play with the elevation as your flight characteristics are different among those different projectiles.

The XPS-2 SAGE is not even close for my uses.  Was designed for a 37mm LTL launcher.  Again, this is based off full power chalk.  Had it out this weekend and the "4" range BDC was where I was hitting at 100 yards.  Nice sight picture and easy to point/shoot.  Just takes some time to learn and test.
5/27/2025 4:31:09 PM EDT
[#14]
Filed the form 1 on the 3rd...still no response yet

Bet if I file a form 1 for an SBR through, or a form 4 for a can, I'll get those back inside a calendar week...
"Oh, bother," said Pooh, as he pulled the pin on another grenade...
6/25/2025 12:41:55 PM EDT
[Last Edit: BOONEA][Edited] [#15]
Interesting, I tried selling our old agency 40mm single shot launchers but Streicher's wasn't interested as there wasn't a market for them.
8/5/2025 6:10:57 PM EDT
[#16]
Finally got my stamp back, built an upper for it…found out that the B Kings gov’t profile barrel is just off enough so you can’t mount a 203 to it …so I wound up using an upper I had been sitting on for it instead.

"Oh, bother," said Pooh, as he pulled the pin on another grenade...
8/6/2025 12:40:57 PM EDT
[#17]
Are you making chalk rounds?
jme and I am a NRA Endowment Member

Don't be too timid and squeamish about your actions. All life is an experiment. The more experiments you make the better.
R W Emerson
8/6/2025 12:50:02 PM EDT
[#18]
Eventually! I ordered a bunch of aluminum cases and pre-made chalk payloads from KAK, sadly like 3 or 4 out of the 12 I ordered were cracked or broken in transit; I need to mail them and see if something can be done I mainly ordered them pre-constructed simply as a "well, I needed the zinc pushers anyway...may as well send them complete" thing.

It's really hard to justify buying a 3d printer just to print windscreens and I don't really do the whole 3d print frames for Glocks thing, so...I'll probably just order some windscreens from there and buy a tub of chalk from Menards and just do that.

I want to find/buy a beehive round or two, but those are $$$$$$$$$$$$$ and I'm not sure the juice is worth the squeeze.

I say that fully aware of the irony of buying a 40mm in the first place

"Oh, bother," said Pooh, as he pulled the pin on another grenade...
8/6/2025 12:50:49 PM EDT
[#19]
And I need to pick up some 38 S&W brass from somewhere and figure out the caps for those to make the firing charges, too, now that I think about it..
"Oh, bother," said Pooh, as he pulled the pin on another grenade...
11/26/2025 12:23:12 PM EDT
[#20]
Been wondering about legality of DD's in MN for awhile, specifically 40MM, glad to see some discussion on it. Is there any gray area to this? I can't find anything in MN statutes that discusses large bore firearms or anything specific to DD's and I interpret any potentially relevant statutes (MN 609.668 EXPLOSIVE AND INCENDIARY DEVICES) as relating to non-firearm DD's. I assume NFA registration is all that's needed and then gtg?

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