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info@ak2m4.co.uk

thanks it's much appreciated. they're rebranded now to XT Springs, new packaging coming next week

Yes can still be made but despite me having them for a pretty decent price not many sold so I've been reluctant to order in more.

@@xtairsoftunderstood. Thanks for responding. I’m looking for a v2 gearbox that will fit in a guarder new generation metal body, old school.

Hey man, sure thing, I'd open it up and run some rpm and amp draw tests - send me your email

@@xtairsoft hey pls send me yours thanks

That's a nice thing to say, thanks. The Airsoft market has slowed down though so not really sure how much mileage is left!

I've seen them on Aliexpress. They look fairly decent though. More expensive than SHS but still worth checking out for sure.

Hi, most probably some incompatibility between the nozzle and hop chamber

@@xtairsoft ok cheers boss can’t believe u responded so quick love the shop and channel man keep it up

As it's the UK I would expext it to be 1.2 / 1.3

Hopefully I'll have some videos on that coming soon. Only out to 45 meters sadly.

The factory is working on 6.03mm, but unless you're in the UK you won't be able to buy.

yeah super cool guy

It's a MR hop with a custom 60 shore XT Omega nub

@@xtairsoft do you remember what hop unit that was using ?

@@sideshowbob2092 stock gun.

If that is stock then I'd expect 0.8j, so the tightbore would give 5 to 10 FPS on .2's so I'm guessing about 300 to 310 FPS on .2bbs at best so.probably around 0.9j. the bucking may get a slightly better seal but it's all about consistency and that's what you can see there, no flyers none dropping of climbing so I bet that output id +/- a couple of FPS if that per shot

@@tinfoilasteroid1027 if only 1j ,that cant do this pretty work .

haha, if I did I'd be showing my age 🙂

Does seem a little strange, bronze more expensive than brass, brass more expensive than stainless steel. Looks like the barrel is made from a mold, nothing wrong with that. Maybe you get better result with bronze from a mold. I had a peek inside an electroplated Madbull I think (roughly same age) and saw similar. The website claims 6.03mm chamber end and 6.35mm crown end but I measure much differently. It's the same thing we chatting about a while back, how difficult it was for manufacturers to mass produce inner barrels to those precise measurements.

This was kindly lent to me by a customer. I did get a few shots off and performance was decent out to 45 meters. That's as long as my range goes to. More video's on it coming in a few days hopefully..

I'll see you at comiecom 🙂

Hi, there is generally no difference. Years ago when they produced separate V2 and V3 they used different colors, not for most are the same. You'll see a difference with others perhaps like G36 and P90

I have the full torque and RPM stats coming very soon, the factory had an extended NY break so I'm just waiting on them. I can measure the RPM myself but I can't measure the torque.

Oh spring was a M110 I think

yep, that's the conclusion so far. you could try lapping the last 60mm or so if that's where the build up is. Try a 6mm wooden stick with some diamond lapping paste - it's a fairly cheap solution - £5

Yeah you need quite an expensive scope to get a good magnification, also one that has a right-angled mirror

May I use your video as a part of mine for sharing the information for my local follower? This is a great microdiscovery@@xtairsoft

I tried even extreme coarse lapping grit and it doesn’t make any better😢

@@AirsoftLappingThailand yes to remove that you would need a long sand-paper clamp tool with some something like 600 attached to a drill, then you could lap the barrel once removed, not really worth the effort.

@@xtairsoft Ofcourse!!! That would cost me more than new barrel lol. The second problem would be "Did I really remove that defect?"🤣

@@AirsoftLappingThailand Haha, yes indeed

Sadly I can't send directly from the factory

@@xtairsoft how much for sending it to Indonesia?

@@Rasyad95 £10, Contact me directly from the website www.ak2m4.co.uk

Yeah for sure, turn off Active Breaking and pre-cocking to be on the safe side. I believe some brushless motors like the T238 has a capacitor fitting that allows these functions to work - not 100% sure though

Active braking does not reverse the polarity. It just shorts out the motor windings to itself.

no

There's a chance they are the same or nearly the same motor just with different external finish/colors. Perhaps different number if wire windings for different RPM. The XT and the King Arms are almost certainly rebrands of another motor.

@tairtech I've not seen inside every Brushless Airsoft motor but there seems to be quite a difference in the electronic components used by each one. Be interesting to see where this leads. Early days at the moment, hard work to bring this motor to market at this price so for sure components are all shared. The King Arms is twice as expensive as mine so very unlikely it's the same motor. I was offered a number of different external can designs so I think that's where the similarities occur. The factory which made mine are new to the Airsoft world, well so they said! I have no reason to doubt them however you never really know the full story.

Thanks for the kind words. It's early days for these motors. The first initial batch has gone out to testers so I'm just waiting to see what improvements can be made etc.

I'll be looking for some reviews. wish you aces luck mate. cheers@@xtairsoft

thank you much I'm in the middle of sorting it now. you seem to be spot on. its nice to here from some qualified folks on the 'ol tube. cheers@@midwestairtech

very soon, factory is on holiday right now but as soon as they are back hopefully getting painted and then sent to UK. As a CNC POM very coming....

can't remember

Thanks, noted.

www.ak2m4.co.uk/internal-parts/gearbox-kits/m4-compression-upgrade-kit

The whole assemble...as in the machined receiver@@xtairsoft

Nope, wouldn't have a clue what quality is like now. If you're in the UK have a look at the ones I've got coming out. Also with any inner barrel I've seen it lots of times where someone says it's not good but then doesn't test with another barrel, they blame the barrel but the issue was nozzle alignment, or hop chamber fitment etc etc, so you need to rule that out. It's hard to truly measure the quality without an expensive borescope or measuring tool. However they charge £15 for a 229mm so maybe worth spending a little more.

@@xtairsoft definitely not nozzle alignment or hop chamber, I'm staring through the barrel with a light source at the other end and the rings are uneven so the barrel itself isn't even straight. 370mm, bought it 1 month ago. The one 285mm I picked up precovid has an exterior polish and bore quality from the naked eye looks as good as lambda one 😔

@@hoecage8781 generally it's impossible to measure with your naked eyes, you need a good quality borescope with some high degree magnification. A decent retailer will test each one before they send out, that's what I do. If you're in the UK I can send you a tightbore prototype 363mm to test

@@xtairsoft unfortunately I'm in canada. But yeah I know its impossible to measure how smooth a bore is with your eyes. All I'm saying is its pretty obvious when a barrel is straight and when it isn't and the new 370mm definitely is not. While the older barrel is straight and surprisingly smooth looking Just curious if I were to test the barrel how much would shipping be?

@@hoecage8781 Ah that's a shame, all the best.

I did think about that and it's definitely on the cards once I get the new shipment from the factory, also a NGRS one coming as well in 2024

It's a Teslong, was about £100 odd, had to order from USA. It's quite handy on seeing the affects of BB usage but really for the non-retail Airsoft a bit overkill.

So nice of to say, did you manage to get one of the £8 barrel?

Thank you for the insight mate, it really makes understanding which companies you want to stick with for quality parts and which not to.

These pin gauges are quite expensive so don't want them to get stuck or scratched so just happy to do a couple of inches at the moment. End of the day if a BB can go down and the shooting is straight that's more than good enough. I'd perhaps expect it on a barrel that cost £120 but not for £20.

Yeah man, sold out super quick. If testing reports go well should have some more soon. Won't be £8 though 🙂

thanks, will be in the new year, there's some testers / prototypes available on the website right now also

Had to switch factories, currently on the second prototype so hopefully in the next 4-6 months, in time for spring /summer 2024.