Sig MPX conversion kits

Krysta · Jul 23, 2015

The Sig Sauer MPX-P will become MD legal here soon so I called up Sig today to ask when their 40S&W or 357SIG conversion kits will become available and the rep said he has absolutely no forecast-ed date when they may become available. Just figured I'd pass this along. I'm dying to convert one to 40S&W in the future.

Speed3 · Jul 23, 2015

Thanks for the update...this is on my short list. Guess I will have to get my HQL

smdub · Jul 23, 2015

Krysta said:
I called up Sig today to ask when ___ will become available

Thanks, I needed a laugh today

This is Sig. They still don't have parts for the 556xi which came out two YEARS ago. When Sig finally announces they are available, its going to be at LEAST a year wait for them to hit the shelves. Typical announce too early and deliver too late marketing.

Krysta · Jul 23, 2015

smdub said:
Thanks, I needed a laugh today This is Sig. They still don't have parts for the 556xi which came out two YEARS ago. When Sig finally announces they are available, its going to be at LEAST a year wait for them to hit the shelves. Typical announce too early and deliver too late marketing.

Yeah, makes no damn sense. You make the parts to sell the gun but you cant sell the parts individually? BS.

Oh well, Ill just shoot it in 9mm when I get her....then wait 5 years for the conversion kit lol

erwos · Jul 23, 2015

They pulled this same stunt with the 556xi. Seems to be the industry paradigm these days to promise conversion kits and then never deliver.

IgotAgun · Jul 23, 2015

Why? 9mm is best millimeter......

photoracer · Jul 23, 2015

I have the Sig MPX on my short list also. Since going with a 3 caliber kit on an HK USP-C as a bug-out pistol I have been looking for a PCC/SMG sized firearm that could quickly transition to the same 3 calibers. The MPX meets that criteria.

OrbitalEllipses · Jul 24, 2015

IIRC, the 9mm MPX rifles/pistols hitting the market now CAN'T be converted. I read an article on some gun blog that stated the MPX has been so late to the market due TO the conversion kits, but the 9mm MPX was ready and they just wanted it released. An updated version that can be converted will land later, allegedly.

Krysta · Jul 27, 2015

IgotAgun said:
Why? 9mm is best millimeter......

Because I already have sub guns of different calibers, don't have a 40..yet

Krysta · Jul 27, 2015

OrbitalEllipses said:
IIRC, the 9mm MPX rifles/pistols hitting the market now CAN'T be converted. I read an article on some gun blog that stated the MPX has been so late to the market due TO the conversion kits, but the 9mm MPX was ready and they just wanted it released. An updated version that can be converted will land later, allegedly.

Thanks for the info, Ill do some research on this or call them again.

Cal68 · Sep 30, 2016

Krysta said:
The Sig Sauer MPX-P will become MD legal here soon so I called up Sig today to ask when their 40S&W or 357SIG conversion kits will become available and the rep said he has absolutely no forecast-ed date when they may become available. Just figured I'd pass this along. I'm dying to convert one to 40S&W in the future.

I am thinking about getting a Sig Sauer MPX-P, so can someone tell me if this firearm has become legal to own in MD now? Also, can I get one with a collapsible or folding stock or is that not legal in MD? Any help would be much appreciated. Thanks.

Cal68

Hawkeye · Oct 6, 2016

Cal68 said:
I am thinking about getting a Sig Sauer MPX-P, so can someone tell me if this firearm has become legal to own in MD now?

Yes, they are legal. The MPX-P is on the handgun roster, and you can buy them. You will need an HQL.

Also, can I get one with a collapsible or folding stock or is that not legal in MD?

If you get one with a stock, it's not an MPX-P any more (having a stock makes it a rifle, not a pistol). You CAN buy them, but some configurations will fail the "copycat" test and be illegal. Specifically, you can not have more than one of: a) folding stock, b) grenade launcher, c) flash hider on a centerfire, semiautomatic rifle that accepts detachable magazines. So, you can buy an MPX-Carbine, but it can NOT have both a folding stock and a flash hider. A collapsing stock doesn't count, so you can buy the collapsing stock / flash hider version here without an issue.

Cal68 · Oct 7, 2016

Hawkeye said:
Yes, they are legal. The MPX-P is on the handgun roster, and you can buy them. You will need an HQL.

If you get one with a stock, it's not an MPX-P any more (having a stock makes it a rifle, not a pistol). You CAN buy them, but some configurations will fail the "copycat" test and be illegal. Specifically, you can not have more than one of: a) folding stock, b) grenade launcher, c) flash hider on a centerfire, semiautomatic rifle that accepts detachable magazines. So, you can buy an MPX-Carbine, but it can NOT have both a folding stock and a flash hider. A collapsing stock doesn't count, so you can buy the collapsing stock / flash hider version here without an issue.

Thanks my friend. It seems like it would be best to buy from an IP who would know what configuration is legal here in MD. I will try to see if I can get a deal during Black Friday sales.

Cal68

Montani · Nov 15, 2016

Hi, new to the site.....anyway, I have a MPX and just called sig sauer for an estimate as to when they will release the conversion kits and/or uppers....they said middle of next year, 2017, at the earliest.
I own multiple sig sauer rifles/pistols, but I am very disappointed on their handling of this matter. The MPX has been out for quite awhile now. I have many other fine manufacturers such a s&w, cz, colt, barrett, and more, to choose from.
It will be a long time before I purchase another of their products or recommend them.

6pack · Dec 22, 2016

I was at 2A Sales/Service yesterday and saw the 9mm MPX carbine with the collapsible stock for the first time, so I'm here researching it. Several people there have it and love it. It looks great and felt good. I didn't know to ask about conversion kits, but I'm only interested in the 9mm version anyway. Anyone else have it and can give their opinion?

Boss94 · Dec 24, 2016

6pack said:
I was at 2A Sales/Service yesterday and saw the 9mm MPX carbine with the collapsible stock for the first time, so I'm here researching it. Several people there have it and love it. It looks great and felt good. I didn't know to ask about conversion kits, but I'm only interested in the 9mm version anyway. Anyone else have it and can give their opinion?

I have both the pistol and carbine. There awesome! !! Love the machine work! And a decent trigger. Their tac drivers for sure !!.any particular thing you want to know?

Stoveman · Dec 27, 2016

6pack said:
I was at 2A Sales/Service yesterday and saw the 9mm MPX carbine with the collapsible stock for the first time, so I'm here researching it. Several people there have it and love it. It looks great and felt good. I didn't know to ask about conversion kits, but I'm only interested in the 9mm version anyway. Anyone else have it and can give their opinion?

I've got the same one that was hanging on their wall and love it.

Say the word and you can try it out up at AGC.

Sig MPX conversion kits

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