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Posted: 4/17/2018 7:26:03 PM EDT
I just finished building this today, not sure what i'm going to do with it, but it looks kool. Takes MP5 Magazines. The only reason i waited for this is because i hate the straight mag 9mm AR's
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Quoted:
How hard are MP5 mags to find? Some Korean MP5 mags out there for $30 or so, no idea how good or bad they are.... I'll stick with my colt and Glock mag AR9's... Nice looking build OP, NFA is pretty good about R&D, hope they got this right for you. |
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I bought 2 mags from new frontier armory. They are KCI. I also have 3 MP5 mags.
The mags where 35 I think. The upper is NFA C5 The lower is NFA C5 The bolt is NFA Standard charging handle NFA buffer 8oz Pistol tube Enhanced LPK where I could put it. The mag release comes installed. I can't remember the trigger, but it's milspec enhanced boron coated (ALG combat) Magpul k Ballastic Advantage 5.5 barrel, Seeking precision rail ( really like there nuts) The whole gun with the can weighs 6.2lbs I'll shoot it tomorrow am Also, I'm going to SBR and put one of those Troy PWD? Stocks on it. I thinks it's called pwd |
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Quoted:
@workky needs this bad! https://farm4.staticflickr.com/3858/14744496887_6097060484_c.jpg link to hkpro |
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Going to pick up my c-5 upper and lower tomorrow. Going to use a tros 3 lug barrel 5.5 inch. Not sure about the rest yet. Eventually suppressed so I don’t know what freefloat will be big enough for a suppressor to slide down through it. This will be a really compact 9mm. I picked up a couple KCI mags with it too. |
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What exactly is that? Is that handguard available for a AR setup? Quoted:
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@workky needs this bad! https://farm4.staticflickr.com/3858/14744496887_6097060484_c.jpg link to hkpro read the link 
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Quoted:
Going to pick up my c-5 upper and lower tomorrow. Going to use a tros 3 lug barrel 5.5 inch. Not sure about the rest yet. Eventually suppressed so I don’t know what freefloat will be big enough for a suppressor to slide down through it. This will be a really compact 9mm. I picked up a couple KCI mags with it too. 
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SD hanguard on an Apex handguard? I don't get it...
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Thanks for the info Quoted: C'mon mang. ID is a stat in the PWD! Link is in my signature. You can copy the data from the rails tab into your own Google sheet and sort by ID and you'll have a list of 1500 rails at your disposal. There's a lot of options that a 1.5 or 1.625 can will for inside of, and even some that could take a 1.75 can. |
| Nice. I got my 80% C-5 in yesterday. I'm still torn on ordering a FM upper. Need to get some calipers and email Paul back, I think it will attach/mate up because the C-5 uppers say glock & colt lower compatible and i've seen people list they run their FM upper on NFA lowers... i'm assuming the FM upper will need to be clearanced for the MP5 mags.... but the question is how much. I dont have a mill anymore and i hate dremmel tools. |
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How is the mag fitment in your lower? Are your mags tight? loosey goosey? Have you fired it yet? I received mine but have not had to build it yet. Just wondering how yours is functioning I just put some magpul pro metal sights on it and it shot beautifully. Shot some 115's through it and some 147 gn. I need to get a dedicated 9mm can, i have an silencerco octane 45 on it right now, its my go to pistol can. I had no malfunctions or issues, i am running NFA upper, lower, bolt, and buffer (8oz) I have 4 of these mags And 3 H&K MP5 MAGS I really couldn't tell the difference between the two. Other than the color, the H&K's are a little more flat. The both functioned great. I dont like my choice the pistol brace, but it will get me by for now. I will probably SBR it and install something different when the stamp comes. But as far as kool factor goes, it is kool in my book, i was on a waiting list to get one of the lowers The recoil is different than a AR-15 in 223 or 300, thats what im use to, never shot a pistol ar before this. But it certainly is a different feel. Its hard to explain, im assuming its because its blowback. But it did seem more harsh, if you will, than my 300. Or i should say, not as smooth. Its kinda like the difference between a 40 caliber pistol recoil and a 45. The 45 is more of a push and the 40 is more of a punch. But, nevertheless, really like the C5 lower and the choice i made to wait until these came out. I like the curved mags, even if they are more expensive. In my opinion they just look bad ass. |
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Quoted: The recoil is different than a AR-15 in 223 or 300, thats what im use to, never shot a pistol ar before this. But it certainly is a different feel. Its hard to explain, im assuming its because its blowback. But it did seem more harsh, if you will, than my 300. Or i should say, not as smooth. Its kinda like the difference between a 40 caliber pistol recoil and a 45. The 45 is more of a push and the 40 is more of a punch. But, nevertheless, really like the C5 lower and the choice i made to wait until these came out. I like the curved mags, even if they are more expensive. In my opinion they just look bad ass. |
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Maybe these? @wolfpack
https://www.apexgunparts.com/mp5-magazine-9mm-30rd-korean.html |
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That looks like it. They are $35 at NFA...
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Quoted:
That looks like it. They are $35 at NFA... Quoted:
24.99 each. Then shipping |
| I was curious about what bolt system it works with and their page says either Colt or Glock style. When I looked into the QC-5 they say it works with a Colt bolt which seems kind of weird given they are both meant to work with the MP5 mag. Wonder why one works with both and one does not. Dramatic price difference as well between the QC-5 and the C-5 |
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Have had my 80% C5 lower for a couple weeks now. My mags fit super loose. Like really really loose. Floppy jaloppy loose. I have 5 POF and 3 HK straight mags. All like that.
Also the straight mags seem to point straight down like a Colt mag gun. Weird. Anyone planning on trying theirs out with a CMMG guard barrel & bolt? |
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Quoted:
Have had my 80% C5 lower for a couple weeks now. My mags fit super loose. Like really really loose. Floppy jaloppy loose. I have 5 POF and 3 HK straight mags. All like that. Also the straight mags seem to point straight down like a Colt mag gun. Weird. Anyone planning on trying theirs out with a CMMG guard barrel & bolt? I was about to buy one of the MP5 lowers, but now I'm not so sure. |
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Quoted: Did you contact NFA? I was about to buy one of the MP5 lowers, but now I'm not so sure. Side note - the president of NFA, David, has answered all my email to their sales/CS very quickly. It always gives me a warm fuzzy when businesses are responsive like that. |
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Quoted:
Have had my 80% C5 lower for a couple weeks now. My mags fit super loose. Like really really loose. Floppy jaloppy loose. I have 5 POF and 3 HK straight mags. All like that. Also the straight mags seem to point straight down like a Colt mag gun. Weird. Anyone planning on trying theirs out with a CMMG guard barrel & bolt? |
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Quoted: I'm waiting on my custom-engraved C5 lower from NFA. I asked CMMG about using the Guard bolt and barrel in the C5 lower, and they told me it would take a lot of work to make it use an MP5 mag. They sent me a long explanation, and it was obvious they took a look at the C5/MP5 lowers to give the detail they did. I think I'm going to try the Blitzkrieg hydraulic buffer in mine, unless you guys see an issue with that. I wish I had come across the Guard before ordering the C5 lower. I blame the OP of this thread for my lack of self control. I mean, I have to blame someone... |
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Quoted: I'm waiting on my custom-engraved C5 lower from NFA. I asked CMMG about using the Guard bolt and barrel in the C5 lower, and they told me it would take a lot of work to make it use an MP5 mag. They sent me a long explanation, and it was obvious they took a look at the C5/MP5 lowers to give the detail they did. I think I'm going to try the Blitzkrieg hydraulic buffer in mine, unless you guys see an issue with that. I wish I had come across the Guard before ordering the C5 lower. I blame the OP of this thread for my lack of self control. I mean, I have to blame someone... CMMG didn't happen to go into any detail on what mods would be necessar, did they? I could always do my FrankenGuard build on an NFA C-9 set but I'd love to have it on my C-5. |
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Nice build!!...can't wait to get mine done.
I got my C-5 Lower 2 weeks ago, got the C-5 Side Charging Upper this past weekend, the 5.5 barrel, bolt, and SBtactical PDW brace arrived this week... now just waiting on my lower parts kit, and M-Lok handguard to come in before I can start putting it together. I decided to go this route since I already have several Hk MP5 mags. |
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Quoted: @01svtL CMMG didn't happen to go into any detail on what mods would be necessar, did they? I could always do my FrankenGuard build on an NFA C-9 set but I'd love to have it on my C-5. |
definitely nicer than straight mags or glock mags.|
Quoted:
I was curious about what bolt system it works with and their page says either Colt or Glock style. When I looked into the QC-5 their says Colt bolt which seems kind of weird given they are both meant to work with the MP5 mag. Wonder why one works with both and one does not. Dramatic price difference as well between the QC-5 and the C-5 |
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I posted this in the PCC section thread already but here you go.
Decided to tag this lower with one of my form 1 SBR tax stamps. Haven't started milling the 80% billet yet, or received my barrel so this is just a mock up.. 7" handguard Side charging NFA C5 upper 80% C5 lower Maxim buttstock Magpul grip A3 tactical modular foregrip with "grenade" grip HK diopter sights Will be putting a first gen Echo in it. I have a CMMG Guard barrel/bolt (8") on order. I may have it cut and rethreaded. Maybe 4.25" not surr yet, but that length with a 6" can would be mighty handy. If I cant get the Guard to run with the MP5 mags I will go a different route. Anyways heres some pics POF curved mag Attached File HK straight mag Attached File Mags fit a little loose - NFA said they should fit snug once the coating is applied. Heres hoping |
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Quoted:
I posted this in the PCC section thread already but here you go. Decided to tag this lower with one of my form 1 SBR tax stamps. Haven't started milling the 80% billet yet, or received my barrel so this is just a mock up.. 7" handguard Side charging NFA C5 upper 80% C5 lower Maxim buttstock Magpul grip A3 tactical modular foregrip with "grenade" grip HK diopter sights Will be putting a first gen Echo in it. I have a CMMG Guard barrel/bolt (8") on order. I may have it cut and rethreaded. Maybe 4.25" not surr yet, but that length with a 6" can would be mighty handy. If I cant get the Guard to run with the MP5 mags I will go a different route. Anyways heres some pics POF curved mag https://www.AR15.Com/media/mediaFiles/23996/20180525_211232-1664x832-555486.JPG HK straight mag https://www.AR15.Com/media/mediaFiles/23996/20180525_211333-1664x832-555487.JPG Mags fit a little loose - NFA said they should fit snug once the coating is applied. Heres hoping Why would you bother registering an 80% as a title 2 weapon? |
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Quoted: The POF Curved mag, are those like colt pattern but curved? Quoted: The POF Curved mag, are those like colt pattern but curved? Quoted:
Why would you bother registering an 80% as a title 2 weapon? |
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