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[#1]
TODAY, 6/21, Atlantic has 2x MKE mags for $69.99 and two different MKE slings on sale ($19/$21)
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MIA: M/SGT James W. Holt USSF 2-7-68 SVN
"Your freedom to be you includes my freedom to be free from you." -A. Wilkow |
[#2]
Originally Posted By Cheesebeast: You may want to take the brace adapter off and inspect it for clearance. I have an MKE "K" version with an SB brace. I had to file a notch in the receiver extension (sorry if my terminology isn't correct- it is the piece that has the H shaped buffer attached to it that pins onto the rear of the receiver). The bottom lug where the pin goes through was solid on the brace adapter. There is a rod at the rear of the trigger group that guides the hammer spring. It extends beyond the rear of the trigger group and it was contacting the solid receiver extension. I had failures to eject and feed stoppages. I think all it was was due to binding. I filed a notch for clearance in the aluminum receiver extension and the problems disappeared. View Quote Ya some of SB braces had shit buffers that broke almost immediately. I had to replace mine with the buffer from my stock endcap because the arms on the H were braking off. |
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[#3]
Originally Posted By RedFox1911: Which locking piece are you using when it has issues unsuppressed? If you have the suppressed locking piece in there still that is the issue I think. The simple solution is to not use cheap 115 ammo or go back to the old locking piece. If it doesn't work with 124gr to 147gr there is an issue I think. The only thing with the MP5 and hollow points is you can't use the old straight HK mags. Those only work with FMJ. View Quote I'm still using the original 100deg Locking Piece. Ammo is 115gr Blazer Brass & 147gr JHP Jag ammo, PSA bought this company and it is now, AAC. I'll burn off a box of 124gr Federal HST and see what happens. |
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[Last Edit: drobs]
[#4]
Originally Posted By Cheesebeast: You may want to take the brace adapter off and inspect it for clearance. I have an MKE "K" version with an SB brace. I had to file a notch in the receiver extension (sorry if my terminology isn't correct- it is the piece that has the H shaped buffer attached to it that pins onto the rear of the receiver). The bottom lug where the pin goes through was solid on the brace adapter. There is a rod at the rear of the trigger group that guides the hammer spring. It extends beyond the rear of the trigger group and it was contacting the solid receiver extension. I had failures to eject and feed stoppages. I think all it was was due to binding. I filed a notch for clearance in the aluminum receiver extension and the problems disappeared. View Quote I'm still new to this platform. Could you take a picture of what you filed on? Maybe circle it with MS Paint? |
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[#5]
![]() SB Tactical Brace Issue: Hammer Shank Impact on MP5 (How to Fix) |
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[#6]
View Quote Thanks! |
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[#7]
Just fired my 1st 30rd mag of 124gr JHP through the Century MKE AP5 I picked up from my dealer Saturday - works perfectly.
![]() Will see how my other mags work in it later on. |
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[#8]
Originally Posted By drobs: Just fired my 1st 30rd mag of 124gr JHP through the Century MKE AP5 I picked up from my dealer Saturday - works perfectly. https://www.ar15.com/media/mediaFiles/41568/AP5_G43X_jpg-3249436.JPG Will see how my other mags work in it later on. View Quote Nice ![]() My AP5 had been good after I replaced a couple parts and even then I think it's been a great value gun buy. |
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[Last Edit: drobs]
[#9]
So I cut a divot into the SB brace per the above video and went and tried it out on the Zenith.
Jam-o-matic, with multiple mid mag failures to load using MKE mags & 115gr Blazer brass. ![]() ![]() ![]() ![]() Cleaned it, re-installed the Zenith sling receiver cap, and ran 2 Zenith mags of 115 blazer brass. More last round round failures. ![]() ![]() This is a pretty one... ![]() Reading through the manual it states it needs a 500rd break-in with 124gr nato spec ammo. I will go pick up 500rds or 124gr fmj and burn some more $ on ammo. I really want to send it back to them along with their junk mags but I will shoot it some more 1st. I figure if you are going to put your name on a magazine, the magazine really should work... |
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[#10]
Buy a HK mag and test it.
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Don't you tell me about galaxies! I walk them in the timeline.
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[#11]
Here's an oddity. I've taken apart that Zenith a couple times now. When re-assembling it, I find if the bolt is fully forward, that I won't be able to lock the bolt handle back.
If I leave the bolt partially open, then put everything back on, it works. When doing it that way the recoil spring and guide rod extends past the end of the receiver a bit. Is this normal? Seems like the recoil spring and guide rod are too short. |
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[#12]
Originally Posted By drobs: Here's an oddity. I've taken apart that Zenith a couple times now. When re-assembling it, I find if the bolt is fully forward, that I won't be able to lock the bolt handle back. If I leave the bolt partially open, then put everything back on, it works. When doing it that way the recoil spring and guide rod extends past the end of the receiver a bit. Is this normal? Seems like the recoil spring and guide rod are too short. View Quote Sounds like your not getting the rear of the recoil rod in the cap/brace/stock correctly. There is a divot/hole it goes in. |
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"I am gonna laugh my ass off looking out the air vent of the box car watching some of you shot in the head in a ditch when you finally realize it's time to resist." stolen from RR_broccoli
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[#13]
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[#14]
Originally Posted By StaccatoC2: Sounds like your not getting the rear of the recoil rod in the cap/brace/stock correctly. There is a divot/hole it goes in. View Quote This. I encountered the same issue and found if I didn't have the rear of the recoil rod exactly in that recess this would happen. |
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[#15]
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[#16]
View Quote is this basically a required mod, or a case-by-case thing? |
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MIA: M/SGT James W. Holt USSF 2-7-68 SVN
"Your freedom to be you includes my freedom to be free from you." -A. Wilkow |
[#17]
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"I am gonna laugh my ass off looking out the air vent of the box car watching some of you shot in the head in a ditch when you finally realize it's time to resist." stolen from RR_broccoli
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[#18]
Originally Posted By giantpune: The ones made on HK tooling, with the TDP and HK coming in and training your guys how to do everything. POF and MKE are the popular ones. Those are real war factories, making tanks and missiles. Everybody else is just guessing and reverse engineering. PTR has been at it pretty long and seems to have worked out most of the kinks. Zenith is still brand new at it. They used to be an importer of MKE. That deal soured. Zenith started building their own. We don't really have a lot of them out there to say how well they did. Its like buying a car model the first year it is released. View Quote View All Quotes View All Quotes Originally Posted By giantpune: Originally Posted By IHC53: So which is the best (non HK) made MP5 clone? The ones made on HK tooling, with the TDP and HK coming in and training your guys how to do everything. POF and MKE are the popular ones. Those are real war factories, making tanks and missiles. Everybody else is just guessing and reverse engineering. PTR has been at it pretty long and seems to have worked out most of the kinks. Zenith is still brand new at it. They used to be an importer of MKE. That deal soured. Zenith started building their own. We don't really have a lot of them out there to say how well they did. Its like buying a car model the first year it is released. MKE under centuries QC not so much...they have problems all over the place When MKE was partnered with Zenith? Best clones on the market made with HK tooling and amazing QC. Those old Zenith Z5RS guns were the closest you could get to the real thing. |
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[#19]
Originally Posted By HecklerKac: MKE under centuries QC not so much...they have problems all over the place When MKE was partnered with Zenith? Best clones on the market made with HK tooling and amazing QC. Those old Zenith Z5RS guns were the closest you could get to the real thing. View Quote Century is just the importer, they don't touch the guns nor "QC" them. |
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New EE sucks! Bring back the old Equipment Exchange!
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[#20]
Originally Posted By StaccatoC2: For the K model only, but not sure if its every one. Just looked at my ap5 and the longer receiver means this does not apply. View Quote View All Quotes View All Quotes Originally Posted By StaccatoC2: Originally Posted By RED_5: is this basically a required mod, or a case-by-case thing? For the K model only, but not sure if its every one. Just looked at my ap5 and the longer receiver means this does not apply. checked the fit on my K... yep. hammer spring guide hits the brace ![]() |
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MIA: M/SGT James W. Holt USSF 2-7-68 SVN
"Your freedom to be you includes my freedom to be free from you." -A. Wilkow |
[#21]
Originally Posted By HecklerKac: MKE under centuries QC not so much...they have problems all over the place When MKE was partnered with Zenith? Best clones on the market made with HK tooling and amazing QC. Those old Zenith Z5RS guns were the closest you could get to the real thing. View Quote ![]() |
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[Last Edit: drobs]
[#22]
Another 300rds fired of 124gr CCI Blazer Brass. At least 1 Failure to Eject on every single magazine.
Also had 2 failures to go into battery, and multiple double feeds. Plus failure to ejects that required prying out the empty shell casing. Zenith USA = fucking jam-o-matic piece of shit. ![]() ![]() Off to send it back, looking for a refund. |
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[#23]
That sucks
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When we were young, how could we have imagined this?
We live in a world of lies, and that's the damn truth |
[Last Edit: Creole_Cat]
[#24]
Dude buy some real nato spec 124 ball. You are feeding the gun cheap, under power ammo during break it.
After you run some ball for break in. It is likely you can run low power 115. |
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[#25]
Originally Posted By Creole_Cat: Dude buy some real nato spec 124 ball. You are feeding the gun cheap, under power ammo during break it. After you run some ball for break in. It is likely you can run low power 115. View Quote Any brand recommendations? I just ran 300rds today of 124gr CCI Blazer Brass and it was a jam-o-matic. |
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[Last Edit: giantpune]
[#26]
I wouldn't waste any more ammo on that PoS.
Originally Posted By HecklerKac: MKE under centuries QC not so much...they have problems all over the place When MKE was partnered with Zenith? Best clones on the market made with HK tooling and amazing QC. Those old Zenith Z5RS guns were the closest you could get to the real thing. View Quote lolwut? Century did not send a team of guys to turkey to sit around and QC their guns. If anything, MKE started rushing things out the door. They have been getting hit hard for orders. Century is importing and selling 100x as many of these as zenith did. The turkish lira is in the toilet. That means these guns are half the price they used to be. And that means they are flying off the shelves. MKE putting them out as fast as they can, and some of them have been turds. Most of them run great. |
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[#27]
Originally Posted By giantpune: I wouldn't waste any more ammo on that PoS. View Quote My thoughts exactly. My MKE AP5 runs all weights of ammo with no FTE, FTF's, double feeds, or failures to go into battery. 124gr CCI Blazer Brass - muzzle velocity 1090fps https://www.cci-ammunition.com/handgun/blazer/blazer-brass/4-5201.html 124gr Winchester Nato Spec - muzzle velocity 1200fps https://winchester.com/Products/Ammunition/Handgun/USA/Q4318 Will the extra 110fps make a difference? |
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[#28]
Specific to MKE, I would suggest swapping out the extractor (3rd Gen), extractor spring and ejector (3rd Gen) for factory HK parts if you are having feeding issues. Also use HK or MKE mags to remove possible mag issues.
My $.02. |
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[#30]
Originally Posted By drobs: Another 300rds fired of 124gr CCI Blazer Brass. At least 1 Failure to Eject on every single magazine. Also had 2 failures to go into battery, and multiple double feeds. Plus failure to ejects that required prying out the empty shell casing. Zenith USA = fucking jam-o-matic piece of shit. https://www.ar15.com/media/mediaFiles/41568/Screenshot_2024-07-27_115543_jpg-3278350.JPG https://www.ar15.com/media/mediaFiles/41568/Screenshot_2024-07-27_115933_jpg-3278359.JPG Off to send it back, looking for a refund. View Quote Exactly how my Zenith adventure ended as well. Love my MKE's. |
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[Last Edit: 55Parabellum]
[#31]
Originally Posted By 0351: Specific to MKE, I would suggest swapping out the extractor (3rd Gen), extractor spring and ejector (3rd Gen) for factory HK parts if you are having feeding issues. Also use HK or MKE mags to remove possible mag issues. My $.02. View Quote My AP-5P had the same issues as OP. I did as you recommended, with the addition of an HK ejector spring, and the gun has been 100% since. |
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[#32]
Quality of the latest MKE batches must be good?I bought a new AP5-P this last Wednesday. Added a brace, oiled it, measured bolt gap, then took it to the range and put 200 rounds of WWB 124 NATO through it. All 5 MKE mags and the gun were 100% reliable. Sights were dead on at 25 yards too.
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Jack of no trades and master of none.
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[#33]
That is my experience.
Broke mine in with Winchester Q4318 NATO 124 ball. |
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[#34]
Originally Posted By UT-ARShooter: Quality of the latest MKE batches must be good?I bought a new AP5-P this last Wednesday. Added a brace, oiled it, measured bolt gap, then took it to the range and put 200 rounds of WWB 124 NATO through it. All 5 MKE mags and the gun were 100% reliable. Sights were dead on at 25 yards too. View Quote It sounds like you got one of the good ones. Their QA/QC is all over the place. |
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[#35]
Originally Posted By Creole_Cat: That is my experience. Broke mine in with Winchester Q4318 NATO 124 ball. View Quote My dealer says he has some Winchester Valor 9mm that has the same MV of 1200. https://winchester.com/Products/Ammunition/Handgun/USA-VALOR-Series-Handgun/USA9NATOW We're going to mag dump it Wednesday. I expect it will have all the same failures but will post here with the results. |
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[Last Edit: drobs]
[#36]
Originally Posted By AFSOC: My Zenith ZF5-P was initially a jomomatic on WWB 115, could not run a half mag without stoppages... multiple. I bought 500 rounds of Federal AE 9mm 124gr from Academy. ran like a top for 250 rounds, re-arched the extractor spring prior, tried 115 WWB again and jamomatic. Stoppages ranged from FTE, FTF, loose round from magazine etc. I replaced the Extractor spring with a NEW one and it ran fine again... ZF-5 "Full Size" 115 WWB (look I got it cheap from my employer) fail city so again with 124 grain federal FMJ still experiencing multiple FTF FTE fail to FIRE, whatever with that one no matter Friday evening it ran two mags back to back then reloaded and it started failing. multiple times per mag. this one had a NEW extractor spring, for what it is worth this one gaps at almost .020. Overall fit and finish both guns are incredibly nice. as for function they are disappointing, however they are simple guns not many parts, so Extractor springs are a MUST in a survival kit. Extractor may be next or I may cut my losses and use an RCM "E" bolt that eliminates the poor spring setup on the 90 series extractor, or go to the 33 springs. Ejector is a big dumb chunk of metal I can see no reason for a replacement unless obviously damaged. USUALLY if the extractor can hang onto the case to get it TO the ejector it will knock it out of the way most of what I am seeing is Mag or ex spring related. perhaps Extractor "Tooth" RCM E Bolt. https://rimcountrymfg.com/wp-content/uploads/2023/10/e-1-scaled.jpg View Quote I'll keep that E bolt in mind. If I keep the Zenith, I plan to add a RCM 80 deg locking piece to it. Might as well add an RCM E bolt. I just wish it would make it through more than 1 magazine without a failure. |
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[#37]
My PDW does, the "Full Size" doesn't... yet. it makes it through a mag then choked on the second.
COULD be mag related because it is feed fails, though I have experienced light strikes and FTE as well most likely Extractor related. I do have an RCM bolt I could toss in there to test I suppose. but that gun is a bit fat in the bolt gap department. so I can't recall if smaller gap is more or less energetic ejection. |
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[Last Edit: drobs]
[#38]
I'm going to throw some H&K parts at it and see if anything improves. If it doesn't these parts (minus the 80deg LP) can go into my Century MKE AP5.
![]() Looking around youtube, I was thinking to myself, maybe the full size ZF5 functions with non-Nato Spec 9mm, better? That would be a no. This guy is getting the exact same problems I'm getting. Except he hasn't had to resort to, prying out fired cases, with a screw driver. ![]() Zenith ZF-5 Issues ? |
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[#39]
Originally Posted By drobs: I'm going to throw some H&K parts at it and see if anything improves. If it doesn't these parts (minus the 80deg LP) can go into my Century MKE AP5. https://www.ar15.com/media/mediaFiles/41568/HK_Parts_jpg-3280743.JPG Looking around youtube, I was thinking to myself, maybe the full size ZF5 functions with non-Nato Spec 9mm, better? That would be a no. This guy is getting the exact same problems I'm getting. Except he hasn't had to resort to, prying out fired cases, with a screw driver. ![]() View Quote I don't know why you guys fuck around with POS clones? Buy the real thing and enjoy hassle free shooting instead of constantly fucking with a shit firearm. |
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[#40]
My ap5 was hit and miss the first few hundred rounds, now it shoots anything but blaser Aluminum 147 gr. Runs like a top on lawman 147 grain.
Mke mags and one 20 round kci mag |
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"I am gonna laugh my ass off looking out the air vent of the box car watching some of you shot in the head in a ditch when you finally realize it's time to resist." stolen from RR_broccoli
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[#41]
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[#42]
I'm still waiting on my delivery of 500rds of Winchester 124gr Nato ammo.
Yesterday I took it over to the FFL I bought it from. We stepped out back of his shop and ran 2 mags of 9mm Maximum and some Sig 124gr JHP through it using the Zenith Mags. We had the same FTF, FTE, Double Feed, etc problems with it. He called his distributor and they will take it back / refund us at anytime in the future. I still want to try the H&K parts + the 124gr Nato ammo. Ultimately I will probably take the refund and apply it to a real H&K SP5K-PDW. |
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[#43]
Originally Posted By HK-Slap: I don't know why you guys fuck around with POS clones? Buy the real thing and enjoy hassle free shooting instead of constantly fucking with a shit firearm. View Quote These are real MG's used in war, deballed to semi and shipped to USA. Sleeper collector gun ! |
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Plastic Fantastic Fanatic.
I love my little pro gun Viking wife. She has the world's bluest eyes. |
[#44]
Originally Posted By TW200: My POF MP5 runs flawless. I have the POF MP5 and the POF MP5 SMG reverse stretch both run flawless. These are real MG's used in war, deballed to semi and shipped to USA. Sleeper collector gun ! View Quote From his hands in Pakistan to yours in America. ![]() |
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[Last Edit: TW200]
[#45]
Originally Posted By drobs: From his hands in Pakistan to yours in America. https://www.ar15.com/media/mediaFiles/41568/POF_Military_jpg-3282417.JPG View Quote Reverse stretch. Reverse Mullet...party in the front, business in the back. The regular POF MP5 version is the only MP5 civllian Marked "MP5" on the receiver. Woop Woop! ![]() |
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Plastic Fantastic Fanatic.
I love my little pro gun Viking wife. She has the world's bluest eyes. |
[#46]
Originally Posted By TW200: POF SMG MP5!! Reverse stretch. Reverse Mullet...party in the front, business in the back. The regular POF MP5 version is the only MP5 civllian Marked "MP5" on the receiver. Woop Woop! /media/mediaFiles/sharedAlbum/mourning-nod-1006.gif View Quote I had to look up reverse stretch and it is what I thought it was. Looks like you have a good one there. ![]() The "Reverse Stretch" is the Mullet of MP5s (POF SMG PK Review) Hop makes all the same arguments for / against the MP5 that I have. Ultimately my CZ Scorpion was better at being a PDW than the "MP5" is. Last shot bolt hold opens with a bolt release are nice modern functions. But the Scorpion is just not as cool as a "MP5." |
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[#47]
Originally Posted By drobs: I had to look up reverse stretch and it is what I thought it was. Looks like you have a good one there. ![]() Hop makes all the same arguments for / against the MP5 that I have. Ultimately my CZ Scorpion was better at being a PDW than the "MP5" is. Last shot bolt hold opens with a bolt release are nice modern functions. But the Scorpion is just not as cool as a "MP5." View Quote I would agree. Having both a full size and reverse stretch and a Scorpion EVO SBR - the Scorpion outperforms them hands down from a reliability standpoint. I run anything through it it eats it and ejects it. I want to supress it i put a suppressor on and shoot away no dickin around with locking pieces etc. Every mag I have for it cost less than $25 and works. I have thousands of rounds through it and it has the same ejector and spring? wow! that is novel. Is it as smooth as an MP5?=NO however runs like a raped ape as they say. |
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[#48]
Originally Posted By cherenkov: I would agree. Having both a full size and reverse stretch and a Scorpion EVO SBR - the Scorpion outperforms them hands down from a reliability standpoint. I run anything through it it eats it and ejects it. I want to supress it i put a suppressor on and shoot away no dickin around with locking pieces etc. Every mag I have for it cost less than $25 and works. I have thousands of rounds through it and it has the same ejector and spring? wow! that is novel. Is it as smooth as an MP5?=NO however runs like a raped ape as they say. View Quote I'm hoping switching to a true H&K SP5K that I will get the same reliability my Scorpion Evo had. |
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[#49]
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[#50]
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