MP5 build kit, CA legal?

[sdaven]

Is this legal to own in Komifornia?


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[tuolumnejim]

Everything but the magazine.

[six seven tango]

You'll need a bullet button. Detachable mag outside the pistol grip is illegal. Handgun Flowchart

[sdaven]

Can I put an original collapsing stock on it?


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[sdaven]

You'll need a bullet button. Detachable mag outside the pistol grip is illegal. Handgun Flowchart

That flow chart is highly confusing.


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[six seven tango]

Can I put an original collapsing stock on it?


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No. That would create a short barreled rifle. An SBR cannot be legally owned in CA by 99.9% of the population.

[six seven tango]

That flow chart is highly confusing.


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1). Answer the question in blue.

2). Follow the yes/no arrow to the next box.

3). If the next box is blue, repeat 1 and 2 above until you end in a green, orange or yellow box.
a). If the next box is green, it's legal.
b). If the next box is orange, it's illegal in CA.
c). If the next box is yellow, there's an exemption that most of us won't qualify for, so it's illegal in CA unless you're one of the privileged few.

[zuchaka]

If you want a collapsing stock you are gonna have to put a long barrel on it, or a dummy can so that it's not a short barreled rifle.

If you wanna keep the barell short then it's going to have to be a pistol.

since the magazine is outside the pistol grip I think you cannot make it featureless ( someone correct me if I am wrong )

[Quiet]

In order to legally make it into a semi-auto centerfire rifle...
1. It needs a minimum barrel length of 16".
2. It needs a minimum overall length of 30".
3. It needs to be configured to operate from a fixed 10 round magazine or it can not have any restricted features.

In order to legally make it into a handgun...
1. It needs a minimum barrel length of 6".
2. It needs a minimum overall length of 10.5".
3. It needs to operate as a bolt-action single-shot pistol or as a break-top/open single-shot pistol.

[RickD427]

Please give a close read to Post #2 and #9.

It is legal, under state law, to own all of the parts in the kit. However, unless you are a qualified LEO, there is really no avenue for you to lawfully acquire the large-capacity magazine contained in the kit. Be aware that some localities prohibit the possession of large-capacity magazines.

If it is your intent to use the kit to personally manufacture a firearm, then things get a little more complicated. If you're going to build a rifle (similar to the HK 94), then build away and be happy. All you'll need (at least until the end of the year) is a bullet button.

Be very careful that your build is not a California Assault Weapon.

If your intent is to build a pistol, then things get real complicated real fast. For all practical purposes, you really can't do it.

The main reason is that you would have to build it as a single-shot that is bolt-action or break-top in design. The roller-lock, impulse action bolt of the HK design just doesn't allow for that. I suppose that some rocket scientist could find a way to make it work, but that would be really expensive.

Please note about the bullet button recommendation in Post #3, that solution would work to make an already-manufactured firearm California legal, but it won't work for a firearm that you're building. It stops the weapon from falling under the definition of an "Assault Weapon", but it doesn't fix the PC 32000 issue of building an unsafe handgun.