Ajaxiasty

Realisticly you need to clean the barrel after every day of use. Get some rubbing alkohol and then soft cloth to dry it up. Watch out as not to put alkohol on the hop rubber. With the bolt of you use silicon it will travele everywhere but if you use grease it will stay in place and don't soil everything. With grease there is no need to re apply after every game and makes the gun cycle better.

You will notice a small improvement. I did with the 70° one. But still to many stray shots . Mine just strays to the right every 3 to 4 shots . Specially noticeable over 40m. I wonder if its the metal hop lever arm 🤔 If you can wait a couple of weeks till my tnt set up arrives I can sell you my hop up unit.

Regarding upgrades. I have the tnt hop and barrel on order. Crazy jet inner barrel and 60° rubber Mr hop bucking on my desk so in a few weeks time I will have a definitive revieve what's the best setup.

Keep me posted . I am interested

I got the wera precision set as it fits the npas too and they have a spanner like slot so you can use a spanner for more torque.

Yes they go trough. So technically its possible. Bit difficult as they are tiny and you would need a bench drill. Weird that you did have red loctite on it as I have 2 Chambers and both of them where loctided but with factory gray and gave way with a bit of trying . My screwdriver set matches ideally the size of the Philips head tho. Like I mentioned before tools are key. If you have a tech available I would give it to them .

You would need to make some spacers for the quad Rail . Wobble is negligible. I don't know if you can have any tape as you would tape up the hop adjuster. Don't put your sling on the barrel ,attached to the quad rail and you will be fine. We both know what happend when you where trying to get the castle nut tighter 😀

There is no nub to my knowledge. I got the maple leaf omega one but there is no space for it. The way the Hop unit is designed it's just a lever with a little arm that pushes the hop down . Maybe I am wrong. If you take your one apart check it. Edit: Definitely no nub

Mystery solved . There is a spring in the gas block wich I lost and found 😉 Use blue loctide and just a small amount . It's going to be fine . Make sure you use good quality screwdrivers and you will be fine . I totally disassembled mine with no issues and no damage .

I did not have any issues with the hop . Stayed in place . Mine is rock solid at the moment. Tempted to run it on .32 Changed the hop bucking for Maple Leaf Autobot 2021. And I think I can see improvement. There is the occasional stray shot but 8 out of 10 are in the beer Can at 40m. Think of getting the inner Barrel changed for the Crazy jet . 🤔 Any one has some experience with those ? Question. Is your fake piston rod moving freely so it kind of rattles when you run ?. I swer that there is something that I assembled wrong as I did not noticed that .

I have spend the weekend fielding the HK. Just to be clear , I was around 24h in total with no safe zone just some minor brakes for food and reloads in the forest. So here's a couple of things that I want to share. Grease don't oil . Over the span of 3 days I got some dirt etc in the system. But as the grease did not run and stayed in place there where no jams ,bolt stops or any other issues. And it was a delight to clean. Just wiped the old grease applied new lovely jobly. Inconsisten accuracy. Most of the time I think it is due to soiling the barrel with dust and oil. Shot .3 as I don't see any improvement adding the weight. Would say .4 are to heavy for this hop so would need a new bucking and a hot gun to fully utilise this ammo Need to change the hop bucking and test. Also I will transfer to pure propane and see if this is the way forward . Other then that no issues, miss feeds and leaks. 6 mags in 6mags out . One one of the mags vented for no reason that's about it . I did not encounter this issue, maybe the mag realese is more loose on an AEG. I shot from all the stances and was running like a mad man constantly doing something not a single accidental mag realise. Hope that helps

Definitely check the seals. I got some on order just in case. Got mags from https://www.davescustomairsoft.co.uk/ got 6 and just 2 were leaking. Seems to be a common top seal problem. Always check them underwater, so you don't fix the Valve 10 00000000 times Use lube, not silicon oil. More durable, and allows the usage of propane without silicon oil. Maybe they are factory too tight. I don't have much experience with gbbr so can't tell

On Friday one of my mags developed a leak. I was sure it's from the valve, but that was wrong. It was a top leak due to the gasket being Factory damaged (pics from Redit as i did not make pictures of my damage but this is the same ) Nothing was helping . I assembled and disassembled the mag 100 times. Then I just picked up a different mag and changed the whole top. Surprise no leaks. Hope it helps.

Chose a weight and stick to it . I think with 40 you will find yourself missing a lot . As they are going to be very slow. But hey . Maybe you are on to something . I never shot more then 35 as I think hop will not take it up . And the velocity loss is acceptable. Close quarters I use 28 as there is no need for more . I think I will eventually change the barrel and hop rubber . Not the chamber . And eventually I will get a MWS for comparison. Just to have the 2 platforms . I don't see any point of doing any other upgrades to the HK . As there is nothing in my mind to upgrade. Who know maybe I am wrong Live and learn.

To be honest try and fix the mags your self . Simple fact of life is if you do not master this skill you will be disappointed with the experience of a gbbr. I can see you are in the honey moon period of owning one . Maintenance and problem fixing are a must . I use grase not silicon oil to maintain my gun . As oil fouls the hop ,barrel etc . Makes the gun prone to catch dirt and jam . Get yourself some orings a valve key etc . Good set of small screw drivers ,Allan keys etc So you can field repair them . To the topic of the TNT Hop. I wonder if the same could not be achieved changing just the rubber and inner barrel for a maple leaf set. 🤔 I have better results on 0.3 then the guy on video with stock rubber and barrel then he with the upgraded hop rubber . I belive that due to fps limitations 0.4 bb is a bit pointless . My sweet spot are 0.3 max 0.35 . Unfortunately it's way less accurate then my TM NGRS Sorry for any grammar mistakes as English is not my first language.