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HK MP7 chambered in 5.7 x 28

Posted: 22 Aug 2010, 08:21
by 23Q19
I realy like the mp7 over the p90, but I want it in the same cartridge as my future pistol(fn57). I have enough mechinist friends to have a semi auto sbr version made, the problem is finding blue prints. If any of you have any blue prints or know were to get them I would love your help. thanks and tell me what you think of the the idea. :ponder:

Re: HK MP7 chambered in 5.7 x 28

Posted: 22 Aug 2010, 09:52
by SeaHawkDriver-B
As far as i have heard, the MP7 is a full-auto only offering from HK, and will never be available as a semi civilian model. HK has always been very snobby in this area, never offering semi civilian versions of some of its most popular models. And if they do offer one (namely the USC), they turn it into something ridiculous, like a single-stack mag with a stock that looks like they glued together a broken crossbow.

Only when HK faces the fact that they're going to lose money on the MP7, will they dump semi civilain models on the market for the "rest of us". I can guaratee you it won't look like the LEO version if they do, and you'd obviously have to SBR it. But rechambering it to shoot the 5.7x28 reliably, the key word being reliably, would probably be very difficult, and not worth the effort in my opinion.

Oh ps... if you really like the MP7 over the PS90, maybe the place for this thread is over on the HK forum, and not here. :p

Re: HK MP7 chambered in 5.7 x 28

Posted: 22 Aug 2010, 14:06
by 23Q19
well I guess I will have to get my class 7 some day. And as for going over to the HK forum, I don't recall hk making any thing in 5.7 and I'd like to stick to that round. I'll rethink the p90.
But I would still love mp7 blue prints if I could get them.
Also why would I go to HK forums eveyones so nice here and not to mention that I havn't seen any couch potato gun experts on here.

Re: HK MP7 chambered in 5.7 x 28

Posted: 22 Aug 2010, 14:17
by PainKillaX
Exactly. We're either couch potatoes OR gun experts. Well, sometimes both, but not at the same time...

Welcome to the forum!

Re: HK MP7 chambered in 5.7 x 28

Posted: 22 Aug 2010, 16:15
by VeTTeMaNC486
23Q19 wrote:... eveyones so nice here ...
:lmao: :lmao: :lmao:

Re: HK MP7 chambered in 5.7 x 28

Posted: 22 Aug 2010, 16:20
by Buffman
I find out odd, there are no civi 4.6 guns, but you can buy 4.6x30mm from Midway

Re: HK MP7 chambered in 5.7 x 28

Posted: 22 Aug 2010, 16:39
by VeTTeMaNC486
Buffman wrote:I find out odd, there are no civi 4.6 guns, but you can buy 4.6x30mm from Midway
The first time I saw that ammo for sale on midway I was like whaaaaaaaaaaaaat.
Would make a neat squirrel cartridge in like a T/C or something.

Re: HK MP7 chambered in 5.7 x 28

Posted: 06 Sep 2010, 17:15
by gunfrog
23Q19, I hope it works out. The MP7 in my opinion would be the ideal platform for the 5.7 cartridge. Light compact, short and flat. good luck

Re: HK MP7 chambered in 5.7 x 28

Posted: 07 Sep 2010, 11:36
by SeaHawkDriver-B
So, a Fiveseven Pistol with a 10rd mag extension...

Significantly lighter than the MP7
More firepower, better cartridge, 30 round capacity
Significantly smaller than the MP7
Mostly polymer, very small magnetic signature
Its FN and not HK :thumb:
Cheper

Its almost like if you put a small folding stock and a foregrip on the Fivseven it would out-do the MP7 any day of the week. I'd like to see FN make a compact carbine around the 5.7x28 catrdige too.

Oh wait... they did, the P90 :laugh:

I guess what we're looking for is the "middle gun", the 'unicorn' 5.7x28 weapon that lies between the FiveseveN and the P90, or a Subcompact SMG.

Re: HK MP7 chambered in 5.7 x 28

Posted: 11 Mar 2017, 18:54
by Danesthesia
You can SBR the 5.7 pistol with KPOS. Have the barrel threaded for suppressor & get as close as you are going to get for MP7. Warning that would turn your pistol into a 2 stamp gun. All NFA rules would apply.

http://www.fab-defense.com/en/category- ... n-5.7.html