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Posted: 2/18/2020 1:43:25 PM EDT
[#1]
MPX - after holding both and shooting both, MPX all the way very well made and the after market is better better.
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Posted: 2/18/2020 2:03:20 PM EDT
[#2]
The Scorpion has outstanding aftermarket support. I agree that the MPX is a smoother shooting platform with inherently better recoil management (short-stroke push-rod gas system - vs - direct blowback).
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Posted: 2/18/2020 2:14:24 PM EDT
[#3]
perfect, thanks guys.
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Posted: 2/18/2020 2:16:12 PM EDT
[#4]
MPX. Without a doubt. Try to find one with an 8” barrel.
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Posted: 2/18/2020 2:24:22 PM EDT
[#5]
MPX is a Cadillac compared to the scorpion. Scorpion feels like the charging handle is attached to a reciprocating brick.
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Posted: 2/18/2020 2:31:40 PM EDT
[#6]
No comparison the MPX. My MPX K's shoot even smoother than my MP5's. Got a threaded MPX Copperhead at my FFL that I won't be able to take possession of for about a week while my local PD conducts a background check. It's torture waiting that long 'til I can shoot it.
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Posted: 2/18/2020 3:30:13 PM EDT
[#7]
MPX hands down. I've got the 8 inch gen 1.
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Posted: 2/18/2020 5:02:19 PM EDT
[#8]
If you plan to run a silencer/suppressor CZ Scorpion all day over the MPX. If not, then users choice as to what you like better or want more.
After shooting an MPX suppressed I went out and bought a Scorpion... |
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Posted: 2/18/2020 5:25:51 PM EDT
[#9]
Quote HistoryQuoted:
If you plan to run a silencer/suppressor CZ Scorpion all day over the MPX. If not, then users choice as to what you like better or want more. After shooting an MPX suppressed I went out and bought a Scorpion... |
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Posted: 2/18/2020 6:03:03 PM EDT
[#10]
Quote HistoryQuoted:
Scorpion feels like the charging handle is attached to a reciprocating brick. 
As others have said, MPX is way softer shooting compared to the scorpion. Own a scorpion and an MP5 clone. The MP5 is smooth but the MPX is soft if that makes sense. I'll have to bring the scorpion and mp5 along to the range and rent an mpx one of these days. Try them all back to back. Also own a CMMG RDB build and that's very soft as well. |
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Posted: 2/18/2020 10:02:23 PM EDT
[#11]
+1 MPX
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Posted: 2/19/2020 11:51:34 AM EDT
[#12]
Quote HistoryQuoted: Too gassy? |
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Posted: 2/19/2020 8:59:34 PM EDT
[#13]
Quote HistoryQuoted:
If you plan to run a silencer/suppressor CZ Scorpion all day over the MPX. If not, then users choice as to what you like better or want more. After shooting an MPX suppressed I went out and bought a Scorpion... |
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Posted: 2/20/2020 11:31:19 AM EDT
[#14]
Quote HistoryQuoted:
If you plan to run a silencer/suppressor CZ Scorpion all day over the MPX. If not, then users choice as to what you like better or want more. After shooting an MPX suppressed I went out and bought a Scorpion... |
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Posted: 2/20/2020 2:15:54 PM EDT
[#15]
ill vote neither. scorpion feels cheap and recoils hard. mpx is gassy and sig is terrible to deal with. ghm9 or rdb banshee would both be better choices.
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Posted: 2/21/2020 9:13:26 AM EDT
[#16]
not sure i’m ready to sell my scorpion for a sig, mainly because i just got it and the lighter trigger makes it 100% better. it is a big hunk of plastic but atleast its light!
i was looking around locally and online and they are vaporware. so the sig mpx is not so good for suppressed because its a piston? |
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Posted: 2/21/2020 10:47:16 AM EDT
[#17]
Quote HistoryQuoted:
not sure i’m ready to sell my scorpion for a sig, mainly because i just got it and the lighter trigger makes it 100% better. it is a big hunk of plastic but atleast its light!
i was looking around locally and online and they are vaporware. so the sig mpx is not so good for suppressed because its a piston? Quote HistoryQuoted:
not sure i’m ready to sell my scorpion for a sig, mainly because i just got it and the lighter trigger makes it 100% better. it is a big hunk of plastic but atleast its light!
i was looking around locally and online and they are vaporware. so the sig mpx is not so good for suppressed because its a piston? Quoted:
ill vote neither. scorpion feels cheap and recoils hard. mpx is gassy and sig is terrible to deal with. ghm9 or rdb banshee would both be better choices. |
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Posted: 2/21/2020 10:50:10 AM EDT
[#18]
Grand stribog when gen 3 drops in the us.
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Posted: 2/21/2020 11:40:59 AM EDT
[#19]
Quote HistoryQuoted:
Grand stribog when gen 3 drops in the us. |
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Posted: 2/21/2020 2:23:24 PM EDT
[#20]
Quote HistoryQuoted:
No. It's because there is lots of gas blowback that gets through the gaps between the receivers and charging handle. I sealed up my charging handle with some room temp cure moldable seal and it's much better now. A buddy has a SBR GMH9 and compared it side by side suppressed with my MPX-K suppressed. Although the MPX was gassy... It's noticeably softer shooting and IMHO more pleasurable to shoot. |
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Posted: 2/21/2020 6:49:22 PM EDT
[#21]
Quote HistoryQuoted:
ill agree on the softer shooting, but ive had terrible luck with modern sig products and sig customer service just loves to blame every issue on the customer and refuses to own up to the issues. its hard to beat the aftermarket support for the cz and magpul mags too! need to find me a better safety lever for my cz too. i think the BH looks good, a little unorthodox, but good. any feed back on those? or others? |
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Posted: 2/21/2020 7:03:52 PM EDT
[#22]
Quote HistoryQuoted: hope i never have issues with the sig mcx i just bought. i love that rifle. its hard to beat the aftermarket support for the cz and magpul mags too! need to find me a better safety lever for my cz too. i think the BH looks good, a little unorthodox, but good. any feed back on those? or others? https://hbindustries.net/store/shop/cz-scorpion-mini-ak-style-safety-selectors/ |
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Posted: 2/21/2020 7:30:18 PM EDT
[#23]
Quote HistoryQuoted:
MPX. Without a doubt. Try to find one with an 8” barrel. You can get one from In Lead We Trust though. I’m very happy with the one I got from him. |
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Posted: 2/21/2020 7:31:41 PM EDT
[#24]
Quote HistoryQuoted:
That was my experience, yes. Quote HistoryQuoted:
Quoted: Too gassy? I have no issues with mine suppressed. |
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Posted: 2/21/2020 7:45:01 PM EDT
[#25]
I own a Scorpion and I've shot both suppressed. The MPX is smooth and a great shooting experience. The Scorpion is a little bit rougher but both worked well in my shooting experience. The MPX manual of arms is AR like so it's not much to switch from an AR to MPX and back. The Scorpion has the paddle release and different charging handle setup. If you can swing an MPX, I would say go with that. If you are on a budget, want to buy a buttload of magazines and mods and still have hundred left over for ammo, get the Scorpion.
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Posted: 2/21/2020 7:45:35 PM EDT
[#26]
Quote HistoryQuoted: I think that is largely related to what suppressor is being used I have no issues with mine suppressed. one small thread mount HTG eureka can is very gassy while the aac scar-sd is not on the same rifle. |
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Posted: 2/22/2020 3:53:10 PM EDT
[#27]
Quote HistoryQuoted:
ill agree on the softer shooting, but ive had terrible luck with modern sig products and sig customer service just loves to blame every issue on the customer and refuses to own up to the issues. I've recently added a 365xl to my collection based on my positive cs experience and some range time with my buddies standard 365. |
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Posted: 2/23/2020 8:45:57 PM EDT
[#28]
I have the Gen 2 MPX 8", SBR Scorpion, AR9, and Zenith RS clone. Shot all 4 yesterday. I absolutely love them all. If i could only have one, it'd be the Scorpion. I run it with an Omega 9K with 3 lug and RMR and it's just a hoot. The MPX is fantastic, and I will be getting a trilug for it soon. I've heard many others say it's super gassy suppressed. We'll see.
Also, straight blowback AR9 is amazing if you know how to tune it. I have the LWRC UC stock and tube with a JP SCS for the Maxim stock and goddamn is it smooth and flat. Deadly accurate with my 8" upper too. |
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Posted: 2/23/2020 9:03:45 PM EDT
[#29]
I'n here to talk about your 9mm PCC lord and savior, the KUSA KR-9
1 to 1.5" groups at 50 yards with good self defense ammo 
All Perst 4 laser kills 
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Posted: 2/23/2020 10:04:32 PM EDT
[#30]
Quoted:
which one shoots smoother? i bought a scorpion with a brace and its a decent enough weapon but holy hell that little plastic wonder is snappy. the 2 pound bold in that plastic body doesnt seem that great. i have a mini UZI SMG long along that i have a closed bolt set up for and it was more well behaved, guessing because of the extra weight. |
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Posted: 2/24/2020 7:52:19 AM EDT
[#31]
Quoted:
i have a mini UZI SMG long along that i have a closed bolt set up for and it was more well behaved, guessing because of the extra weight. Also you say SMG...so full auto? I have a Mini UZI SMG also. Full auto. Open and closed configurations. I hate the UZI's in closed bolt as they are basically straight blowback when they are in closed bolt. In open bolt, they are much smoother as they are now using the API (Advanced Primer Ignition) principal where the mass of the heavy bolt absorbs some of the initial recoil impulse....like a Sten, Sterling, Swedish K and many other open bolt SMG's. |
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Posted: 2/24/2020 7:55:33 AM EDT
[#32]
Quote HistoryQuoted:
Too gassy? Quote HistoryQuoted:
Quoted:
If you plan to run a silencer/suppressor CZ Scorpion all day over the MPX. If not, then users choice as to what you like better or want more. After shooting an MPX suppressed I went out and bought a Scorpion... Although I have heard that if you go with an integral suppressor they are quiet but I'm not putting more money into my MPX. You may also see some people post that using a .45 can is quieter on the MPX. This makes sense as since there is less backpressure on the larger aperature .45 can then less gas escapes the piston. |
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Posted: 2/24/2020 7:59:29 AM EDT
[#33]
Quote HistoryQuoted: That's pretty much how I'd describe straight blowback in a nutshell
As others have said, MPX is way softer shooting compared to the scorpion. Own a scorpion and an MP5 clone. The MP5 is smooth but the MPX is soft if that makes sense. I'll have to bring the scorpion and mp5 along to the range and rent an mpx one of these days. Try them all back to back. Also own a CMMG RDB build and that's very soft as well. I was going to do an integral build around the CMMG RDB but I'm going to hold off and see how the MEAN Arms roller delayed setup evolves. If that is successful, then I'll probably want to do an integral for that....or maybe do two...an integral build for both platforms and see which one works out better. |
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Posted: 2/24/2020 8:15:22 AM EDT
[#34]
CZ Scorpion is half the price. Scorpion doesn't use an AR style charging handle so it doesn't fill your face full of gas when shooting suppressed.
MPX will probably be discontinued after a handful of years and Sig will no longer support them like all of the other products that they've killed off in the past. |
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Posted: 2/25/2020 1:33:41 AM EDT
[#35]
Quote HistoryQuoted:
MPX is a Cadillac compared to the scorpion. Scorpion feels like the charging handle is attached to a reciprocating brick. Wait until you guys shoot a 9mm HG. It'll make you crap your pants, swear off shooting altogether, & salzaw off both hands just to show the world you're not joking. 
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Posted: 2/25/2020 10:09:41 AM EDT
[#36]
Quote HistoryQuoted:
No comparison the MPX. My MPX K's shoot even smoother than my MP5's. Got a threaded MPX Copperhead at my FFL that I won't be able to take possession of for about a week while my local PD conducts a background check. It's torture waiting that long 'til I can shoot it. |
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Posted: 2/25/2020 10:50:37 AM EDT
[#37]
ETS says no steel n their polymer Glock mags. May be a similar issue in Scorpion polymer mags. Steel supposedly abrades the slickness of feeding and scratches the mags.
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Posted: 2/25/2020 11:13:00 AM EDT
[#38]
Quote HistoryQuoted:
Where can you get a threaded copper head at? @arndog123 HERE |
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Posted: 2/25/2020 11:28:05 AM EDT
[#39]
Quote HistoryQuoted:
hope i never have issues with the sig mcx i just bought. i love that rifle. its hard to beat the aftermarket support for the cz and magpul mags too! need to find me a better safety lever for my cz too. i think the BH looks good, a little unorthodox, but good. any feed back on those? or others? Quote HistoryQuoted:
Quoted:
ill agree on the softer shooting, but ive had terrible luck with modern sig products and sig customer service just loves to blame every issue on the customer and refuses to own up to the issues. its hard to beat the aftermarket support for the cz and magpul mags too! need to find me a better safety lever for my cz too. i think the BH looks good, a little unorthodox, but good. any feed back on those? or others? |
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Posted: 2/25/2020 11:53:32 AM EDT
[#40]
Quote HistoryThanks! I am not sure if I can get my osprey 9 on that 3.5" copperhead. That's really what I'm looking for. I would love a copperhead with a 4" barrel as I think that would work.
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Posted: 2/25/2020 12:09:04 PM EDT
[#41]
My 2 Scorpions have run flawlessly from day 1. My MPX, on the other hand, will not run through an entire mag. It was not a first gen either. Sold that bish.
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Posted: 2/25/2020 7:23:59 PM EDT
[#42]
Quote HistoryQuoted:
Thanks! I am not sure if I can get my osprey 9 on that 3.5" copperhead. That's really what I'm looking for. I would love a copperhead with a 4" barrel as I think that would work. Quote HistoryQuoted:
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Posted: 2/25/2020 9:00:41 PM EDT
[#43]
Ive shot them all and Stribog is the best bang for the buck. Mp5 and B&T are better, but more buck.
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Posted: 2/26/2020 9:14:41 PM EDT
[#44]
Quote HistoryQuoted:
Thanks! I am not sure if I can get my osprey 9 on that 3.5" copperhead. That's really what I'm looking for. I would love a copperhead with a 4" barrel as I think that would work. Quote HistoryQuoted:
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Posted: 2/27/2020 1:44:13 AM EDT
[#45]
I believe it’s a gen 2+. The gen 1’s had handguards where you could bolt on rail sections. Gen 1 also had black followers in the mags. Gen 2’s started off with keymod handguards and eventually Mlok. Mags had brown followers.
Thread pitch on all gens have been M13.5x1 LH. |
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