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I purchased a KJ Works Mk1 yesterday. When it arrives, I will remove the outer barrel and put on a silencer. So it should be pretty similar to a Mk23 but not so bulky. It will have higher fps than the Mk23 but I will downgrade it a little.
I need this for stealth kills. I already carry a very light M4 as a side arm but I would like to also have an option where if needed, I can take out a person without giving my position away. (I do have a Mk23 but I let my son use it)
 

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Discussion Starter · #44 ·
got a new toy named AAP-01 with the extended mag seams to do what i was looking for pretty decent. since no moving components in slight and barrel accuracy is good. i dont like spray and pray doctrine, i prefer to hit with first bb, that way i make less noise and have more bb if i need to go full auto.
 

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Also rocking an AAP-01. I haven't felt the need to add a lot of upgrades so it's simply got the CNC chamber (purchased before the Hadron Liki arrived) a 6.03mm 129mm long barrel, and an MR bucking + Omega nub. I have trouble keeping it below the UK standard 350 fps .2g/Equivalent for pistols but it's a nice option for when the Mk23 doesn't come out to play. If I'm feeling REALLy frisky I use an MP5k with 12:1 gears, high-speed motor, short-stroked piston, and the usual assorted other AEG stuff. Kept it to around 300fps but it is a great option for portability and firepower....just needs a tight bore to keep the grouping acceptable, perhaps to add a little fps without any extra internal stress.

I like flexibility so the AAP is very likely going to be a semi-permanent companion as it does afford you a lot of extra weight on the field for a very tiny weight addition.In fact, aside from the known trigger issues, the biggest problem (IMO) is the stock muzzle flip! I added a substantial muzzle device to offset that particular problem and it's now far more controllable.
 

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Not easy at all.
How did you do it? Also, reliably?
 

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Not easy at all.
How did you do it? Also, reliably?
Well, it was suprisingly easy: I used the aluminum nozzle from FPS because I killed the plastic one and a j-tac spring. That brought the energy up to 0.58J. I'm using the stock bucking with a custom made aluminum lever. Accuracy is nice: 20cm diameter @25m. Lipo and mosfet is mandatory IMO. Hope that helps.
Has been used for 1.000 rounds up to now without anny issues.
 

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I got an AEP up to 280fps but it had major feeding issues. At 266fps I had to do a fair bit of work and on the odd occasion it still had feeding issues.

-Chronoed gun new = 170fps
-Put new bearings in (Aliexpress)
-Put new motor in (Aliexpress)
-Put home made spring = 195fps
-Put in new o-rings = 210fps
-Put in home made 6.00mm tight bore = 235fps
-Made new air nozzle spring guide = 255fps
-Added pen spring to air nozzle spring guide = 260fps
-Dental Floss around entrance of bucking 266fps

Most people struggle to get above 220fps.
AEP Teching - Calling All AEP Techs! | Page 66 | Airsoft Forum (airsoftsociety.com)
 

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There's a tuner in the UK (Kingdom of Airsoft) that does some insane mods on AEPs, but as noted, the damn things are subject to diminishing returns - I think he was claiming over 300fps and throwing a .36 over 60m but the sheer work involved......and the parts list was ridiculous. For that outlay (both financially and in terms of time invested) I'd just go with a GBB of some kind.
 

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Yeah, the temperature thing isn't as big of an issue as people say, as that's why Propelene/MAPP, red gas, black gas, and CO2 exist, to deal with lower temps.
AEPs are cool enough, but the only AEP I'd want would be an MP7 with a WOLF engine in it.
 

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That would be neat :)

My AAP is ridiculously efficient for a GBB, and whilst we haven't hit colder temperatures in the UK yet, I doubt I'll need to worry about it not functioning - which was certainly a problem for some replicas in years past! I used to keep my GBB in a pocket with a handwarmer years ago......these days the buckings and systems are so much more advanced.
 

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Discussion Starter · #55 ·

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Discussion Starter · #56 ·
That would be neat :)

My AAP is ridiculously efficient for a GBB, and whilst we haven't hit colder temperatures in the UK yet, I doubt I'll need to worry about it not functioning - which was certainly a problem for some replicas in years past! I used to keep my GBB in a pocket with a handwarmer years ago......these days the buckings and systems are so much more advanced.
tip: if is too cold for aap to be use just stick a heating pad on pistol grip. well if you have and extended mag you could stick it on extension :D, after that you should be good for 2-3 hour
 

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You can actually buy heated mag pouches! I have tried using heat pads, they work to an extent, but cold weather still + mag cool down is still a crippling combination. My old Tanaka revolver was the best for converting that 👍
 
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