Legality of Mag Extension

Ammo Jon · Jun 10, 2019

Have plenty of standard and “extra” standard mags and drums I’ve taken possession of out of state.

For my Kriss Vector carbine I have Kriss Vector extensions that allows me 30 rounds of 45ACP.

They recently came out with extensions, 10mm (30 rounds) and 9mm (40 rounds).

Any issues with having that these extensions mailed in? I bought my last extensions out of state just because a better price than online.

94hokie · Jun 10, 2019

I've ordered a bunch of pistol mag extensions and never had a problem getting shipped into Maryland.

vetogunban · Jun 10, 2019

Kriss will not send them to MD. Other distributors do.

Hit and Run · Jun 10, 2019

Receiving a magazine greater than 10rds in Maryland would be illegal.

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Ammo Jon · Jun 10, 2019

Hit and Run said:
Receiving a magazine greater than 10rds in Maryland would be illegal.

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Is the extension considered a magazine? By itself it cannot function as a magazine.

Hit and Run · Jun 10, 2019

Ammo Jon said:
Is the extension considered a magazine? By itself it cannot function as a magazine.

Have not seen addressed in COMAR.

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rbird7282 · Jun 10, 2019

It’s not a magazine therefore it’s fine. You cannot install them in MD however.

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StanW · Jun 10, 2019

rbird7282 said:
It’s not a magazine therefore it’s fine. You cannot install them in MD however.

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sure you can

danb · Jun 10, 2019

rbird7282 said:
It’s not a magazine therefore it’s fine. You cannot install them in MD however.

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^ this

StanW said:
sure you can

^ not this. the manufacturing has to happen out of state.

(b) Prohibited. -- A person may not manufacture, sell, offer for sale, purchase, receive, or transfer a detachable magazine that has a capacity of more than 10 rounds of ammunition for a firearm.

https://law.justia.com/codes/maryland/2015/article-gcr/title-4/subtitle-3/section-4-305

Ammo Jon · Jun 10, 2019

I appreciate the clarification, I will make sure that assembly takes place out of state.

bkuether · Jun 10, 2019

To me it's the same as buying an upper. In and of itself, it cannot be made into a firearm.

mac1_131 · Jun 10, 2019

Ammo Jon said:
I appreciate the clarification, I will make sure that assembly takes place out of state.

Better safe than sorry

ted70 · Jun 10, 2019

Grabagun won’t ship them to Maryland

davsco · Jun 10, 2019

Ammo Jon said:
I appreciate the clarification, I will make sure that assembly takes place out of state.

yeah, that's the ticket...

Ammo Jon · Jun 10, 2019

davsco said:
yeah, that's the ticket...

I’ve heard Idaho is beautiful this time of year.

bigmanindc · Jun 10, 2019

danb said:
^ this

^ not this. the manufacturing has to happen out of state.

https://law.justia.com/codes/maryland/2015/article-gcr/title-4/subtitle-3/section-4-305

Ammo Jon said:
I appreciate the clarification, I will make sure that assembly takes place out of state.

SO you are gonna just disregard not being able to receive it!!!!!

rascal · Jun 10, 2019

I'm in DC and there are three round extensions that fit on my carry gun mags that would, assembled, make my seven-round mags into legal ten-round mags; and with the exact same extension make my eight-round mags into illegal 11-round ones.
I doubt there could be a successful prosecution for ordering, receiving or possessing extensions in that case for either possession or constructive possession. But I do think one would risk successful prosecution if assembled with the eight round mag making it into 11 rounds.

rseymorejr · Jun 10, 2019

Ammo Jon said:
I’ve heard Idaho is beautiful this time of year.

The potatoes are blooming

Ammo Jon · Jun 10, 2019

bigmanindc said:
SO you are gonna just disregard not being able to receive it!!!!!

The extensions will not be placed on the magazines within the state of Maryland!!!!!!!

I will drive to PA and assemble the mags in the parking lot of Cracker Barrel while my family enjoys dinner. I will then transport them back to Maryland and will be within the letter of the law. Plus it's a good excuse for some country fried steak with a side of chicken n' dumplins. I would never not comply with the laws of this great state! My favorite slogan is "I Will Comply!"

rascal · Jun 10, 2019

Ammo Jon said:
The extensions will not be placed on the magazines within the state of Maryland!!!!!!!

I will drive to PA and assemble the mags in the parking lot of Cracker Barrel while my family enjoys dinner. I will then transport them back to Maryland and will be within the letter of the law. Plus it's a good excuse for some country fried steak with a side of chicken n' dumplins. I would never not comply with the laws of this great state! My favorite slogan is "I Will Comply!"

Jon, I would be careful of zealous prosecution under "constructive possession" laws. People sure do get convicted and imprisoned for unassembled parts under certain conditions. The presence of a legal use within the jurisdiction which you have the parts, is usually an affirmative defense (my example of three round extensions that can fit on seven or eight round magazines, with the seven round use being legal and therefore the parts probably legal).

Also, saying you plan to assemble the parts in another state is generally not a defense.

bkuether said:
To me it's the same as buying an upper. In and of itself, it cannot be made into a firearm.

It sure can if you happen to have a lower in the same home though. It is generally hinges on whether or not you have a readily accessible other parts that makes the difference. From what I can tell you can have a SBR full upper in a jurisdiction that prohibits SBR guns -- but you can't if you have a lower in your home.

In DC threaded barrels on semi auto rile is legal, so is a rail. it is also apparently legal to possess a flash suppressor or vertical fore-grip "in and of itself". BUT If you have the flash suppressor or foregrip and the railed or threaded barrel semi auto rifle in the same home you would be jeopardy of being in illegal constructive possession.

So it is not the "in and of itself" that is the issue, it is what is readily accessible that can be constructed into an illegal combination that is the issue..

So I'd be careful about a mag extensions that has no other effect than to go over 10 rounds if the otherwise legal nine or ten round mags are in the same home . if the smallest mag made for your gun is eight or less rounds, and you have that mag at home, you are probably ok. But if the smallest is 9 rounds then just possessing a 2 round extension and possessing nine or ten round mag, even unassembled, could get you prosecuted for constructive possession

Legality of Mag Extension

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