Pleb to Pro: How to Flat Hop
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- เผยแพร่เมื่อ 7 ก.พ. 2025
- Pleb to Pro: How to Series is a series of instructional videos from Amped Airsoft helping players from all walks of the game with questions they have regarding Airsoft! Stay tuned for more helpful info!
Episode 3 features an in-depth explanation on how to properly install a flat hop for your airsoft replica.
*Bucking*
Prometheus Purple (Used in video)
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Prometheus Blue Flat
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*Nubs*
FireFly Namazu (Used in Video)
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ORGA Dimension
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Roller Bar for Nub
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*Hop Up unit*
Prowin M4 (Used in video)
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Retro Arms M4 Unit
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Maxx Hop Unit
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Maxx Hop Unit with LED Tracer Element
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Orings to lock in hop unit:
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Enjoy!
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I personally like the Maple leaf nubs, I use them in most of my AEGs. I use them either alone on a stock bucking that i cut the fin and bump off of or in conjunction with a maple leaf bucking which has the flat bump to match the nub. Air seal on the Maple leaf bucking is also good with the ribs.
Just throwing this out as a suggestion G&G green buckings are also good I've never had an issue fitting one into any barrel or hop up and they perform great
The G&G Green buckings are definitely good as well. 8) At the time this was filmed (2014) we had not really carried them and they weren't as popular back then. Thanks for your input!
thanks as always for posting, I see how to make the flat hop now, however my guns are all rhop complete and I love it. next build I will test it out. still excited to see you all here in Mississippi in January. keep in touch!
just flat hopped along with you guys, and must say that it was easier than expected. can't wait to see how it has changed the hop on my gun
Awesome! So glad this helped you out! Let us know! -Kurtis
Great video, I would suggest writing down the names of the parts in the description, kinda hard to know the exact names of stuff
Done and done! Parts list now in description! Thanks for the advice! -Kurtis
I installed a modified a maple leaf bucking into a flat hop bucking and installed a namazu flat hop nub. Worked great my WE M4 GBBR, but on my WE SCAR-L GBBR, I didn't have enough hop, had to add an F-key as a spacer between the nub and bucking. I know it's a derpy solution, but it worked.
I love seeing this video right after starting to tech on my rifle with a prommy Blue
Check out the maxx model hop up. Im curious to see what you guys think
We love it so far. Typically we have them in stock. More are on the way currently.
I used the Promy Blue bucking and can attest it sucks.
No comment.
Yet he did't comment on mine.
Yeah prommy blue hop bucking hasn't done too well for us. The prommy purple is infinitely better than the blue from our experience. -Kurtis
Even the red Prometheus Air Seal Hop-Up Hard Type very very bad, i had problem today the gun it doesn't shot (the gearbox sound) looks like using died battery the won't go out the barely can't reach 5 meter..
I don't understand, when u flat hop does the bb float up then gradually fall or does it fly straight further compared to stock?
I like the video, but completely disagree with the first statement. If you actually know how to correctly tune an rhop, they vastly outperform a normal flathop.
On that note, as a tech myself, I almost always refer customers to flathop instead of rhop because it takes much less time, is easier to tune/install and still does perform nicely.
Agreed, although offer R hop installs rather than recommend flat hop
Legacy Airsoft do you do xr hopping?
I got rid of my purple Prometheus as it killed power. Maple leaf rocks
I just flat hopped my Krytac and the difference is night and day!
So I watched this video a few times used a prommy purple bucking and pro win chamber. Even the prommy 6.03 tight bore barrel. To flat hop it only piece I am missing is the metal part that set in the flat hop nub.
Thank you for your feedback! If you are looking for that bar, we do have them available here:
ampedairsoft.com/orga-hop-up-nub-bar/
Hope this helps!
Thanks,
Kurtis
I made one the prommy nub is to soft so I made a piece of metal to fill the void it the prommy nub.
The G&G Green bucking is also a good choice for this mod from what I've used.
you guys are awesome..loving the 2 tippmanns i got from you guys. lauched a few videos of what i did to them plus game play. waiting to rag out my helmet but thats out of stock.
Thanks Bro! Glad you love your two tippys! Which color are you looking for? It appears we have everything but digital woodland atm. Looks like I need to get a restock of those. Every other one is in stock though. 8) Here is a direct link for reference: ampedairsoft.com/search.php?search_query=ragnar§ion=product
Let us know! 8)
Thanks!
Kurtis
I've really been hoping for this. Thanks!
Wait.. you keep the bucking inside-out after getting rid of the ridge and nub?
Still did nor see answer to this. Looks like they don’t turn it back
I used the prommy blue with an s-hopped barrel and it works great. Think it might work even better with a hard spacer.
So if we have only a tight bore barrel we need to cut the ridges then put the bucking on inside out?
list of all the parts would be nice
Modify flat hop bucking
Numazu fire fly
Any barrel
Prowin hop up chamber
in description.
what is the point of shaving off the alignment ridge? i assume you turn the bucking back to its correct side after shaving off the bucking nub. do shaving off the ridge do anything?
R-hop takes you three hours?
It takes me about 5 minutes...
TheAirsoftTech well aren't you special!!! jk jk love your channel helps me out a lot
+TheAirsoftTech How much does it cost you?
+boom_man56 I charge $25 per r-hop
+Minder Maniac Thanks!
TheAirsoftTech How much better does it make the gun? doesnt it increase the range?
When i shave the bucking do i turn it back to inside in or leave it inside out? please answer!
TURN THE BUCKING INSIDE IN NOT INSIDE OUT! Just spent 2 hours doing this to my Krytac and had all kinds of mis-feeding and low FPS issues because I left the bucking inside out. The texture on the outside of the bucking is different from the texture on the inside. Turn the bucking back INSIDE IN after you finish flat-hopping the bucking.
Cheers for the insight into wether or not to turn it back inside itself after trimming the bucking as I automatically did this and then though damn did I even need to do this..thanks soo much for the info 👌🏻
@@barryrobinson4575 you don't have to do this anymore. Every airsoft shop sells flat hop buckings that are flat inside already. I use the modify ryusoku flat hop bucking and flat nub and it works beautifully
@@ns_racing hi I just ordered the purple Prometheus bucking from Amped does it comes already flat on the inside as well or do I still need to do this step?
@@KP-uz3nk the purple prommy does not come flat hopped. You will need to do it yourself
What about the modify flat bucking with the flat nub?
Hi ! again my bucking got problem with the bb can go through it without stoping unless you push down the nut to hold it , if not the bb will come out from the barrel just like that , so I wonder why ?
So hold on, for the regular tightbore you install the bucking with the original outside inwards? i.e. the marks from cutting off the ridge and nub would be outside and visible, yes?
+Juke Airsoft Realized it a couple minutes after asking. The feed lips would be reversed.
As far as the nub direction does the longer side go toward the end of the barrel side or does it go facing the stock of the gun? Or does it even matter?
Can you use any orga barrel so you don’t have to shave the bucking?
After it is flat hopped is the Nub supposed to be uneven on both sides? if so, does anyone have some close up pictures so I can get a better look so I can flat-hop it correctly
I just bought this set up from you guys for my LCT AK74U with a polarstar jack I’m running a combat union HopUp and I had high expectations and this shoots like garbage. At maybe 75 feet I’d have better accuracy throwing my gun at someone. I’m not sure if I did something wrong but with the the same hop up and an action army barrel with a G&g bucking it was acceptable for range and accuracy. This setup was a complete let down.
How about the Modify flat bucking ? the hard one...
Thumbs up just for the intro animation XD
So most of these items are not in stock anywhere.. what are your direct replacements you would choose for the ones that are not in stock?
i have a polarstar jack and does my barrel length have to do with anything- im using all flat hop parts ^ in the video i started using a standard nub instead of the firefly because it didn't work like a flathop- but it works now like a regular hop
When it comes to barrel length, the longer it is, the more FPS it will have. So essentially the longer the barrel, the more efficient it can be since you can run at a lower PSI and achieve the same FPS per given PSI.
Hmmm the fire fly didn't work like a flat hop? Not sure I follow. Did you remove the nub inside your bucking, rotate it, so that the flat part of the bucking was touching the BB when the Firefly was depressed?
Please let us know if you have any questions.
Thanks!
Kurtis
Do you keep it inside out once the little knob has gone
Why did you leave some extra material on that one side. Wouldn't you want each side to be even. If this is a dumb question I'm sorry I have only been playing for a month.
It's not a dumb question your right the sides should be even
Nick Shumar It doesn't adversely affect the BB if the flats on the side aren't centred on the hump of the nub. It's the flat part on the bottom that interacts with the BB. The nub needs to be trimmed to fit inside fit the barrel window. The hump on the nub gets attached attached to a pivoting arm which passes through a window in a fixed location. You cut the nub where it needs to be cut in order to fit through the window.
Does is matter what hop up you get? I want to turn my AEG to HPA what hop up should I use.(Its a lancer tactical gun)
This is a GREAT tutorial!
I'm fairly new to Airsoft (My kids got me into it). I've been playing around and learning the in's and outs of gearboxes....
I have an Umarex G36C.... I see you guys sell those. What's your experience doing a flat hop on them? I really want to turn it into a DMR.... Semi-only mod, 18" barrel.... Do the Umarex G36's take a specail hop? I see you have the prowin in M4 and AK.... The AK should also be a V.3 gearbox... is it interchangeable by any chance?
Thanks for your feedback and welcome to the sport!
You can definitely install a flat hop into the G36. It utilizes a standard nub to our knowledge. When it comes to hop units for the G36, there aren't a ton out there. Prowin does make one, but I'm not 100% sure if it's compatible with the Umarex G36. For all intents and purposes it should be though. The gearbox internals are interchangeable with V3 type parts for the most part. Hope this helps!
hi amped, i took your advise and use the purple soft bucking Prometheus with the prowin house and the fire fly nub, i have serious feed jam where the bb pull the lip up and in itself and jams the bb stuck!
both my dmr and cqb does this!
Sacred Sweden Airsoft did you find a fix?
Why do you have to shave off the ridge, and do you have to remove it fully or just on where the hop up window lies
The ridge will need shaved off so that the bucking can be rotated around so that the shaved part of the nub is not coming in contact with the BB. You will want the smooth part of the bucking to contact the bb vs the rough shaved edge for consistency purposes.
would this work in a H&K UMP Elite
Approximately how will a flat hopped purple bucking last?
I'm new at this so take it easy. What exactly is the benefit of upgrading to a flat hop or an R hop for that matter.
You can maintain more fps while adding hop up
+Milsim Tac okay will it add accuracy? That is my main concern really since my local FPS limit is 400 and I'm nearly topping.
How about the ryusoku flat hop kit I’ve heard good things about those
Just ordered this about 10 minutes ago. I'll get back to you in a few weeks with my results!
@@sn33kydud3 Awesome! They actually work pretty good. Lots of our customers like them. Thanks!
right i understand shorter barrel less range lower fps etc etc- but im just trying to achieve better accuracy im confused as to why the video said to cut the firefly and shave down the bucking
Gotcha. The reason it said that is that is how you do a flat hop. If you use the normal bump on the bucking, it is not a flat hop.
The firefly needs to be cut to match your hop window on your hop up chamber/barrel.
The bucking needs shaved down so that you can rotate the bucking so that the flat part of the bucking is the part that interacts with the BB.
I got a question, why is it required t shave off the bottom to the rubber bucking? sorry if I seem to be a newb with this stuff but I recently just got into teching
what i dont under stand is why would you have to cut the rubber is flat hop an unofficial method airsofter have come up with??
What does flat hopping do to make the gun better
So you turn the bucking inside out, shave it down - and then leave it inside out? you don't turn it back 'the right way'?
1987RaPsCaLLioN No, once you shave it, you turn it right side out and rotate it slightly so that shaved patch part isnt in the hop window. You want the smooth part of the bucking in the window vs the rough sanded part you just finished.
just found this video & channel subbed and hit the gong. After this video when I go to your channel you better still make vids
We appreciate it! We will be making more videos. We have been unable to to with COVID going on.
To which side does the little lip you left on the nub face, toward the arm or away?
So I have two questions on the flat hop nub do you have to cut one side completely and leave one with a little bit material and for the bucking do you completely trim off the guide in that little nub that's on there
It doesnt fit in my ares amoeba am 014, do you know a hop up house that will?
Thanks a lot, you guys seem to know your stuff.
I have a snow wolf barrett, and I want to flat hop it. It has an m150 spring and a madbull 6.01, so it's shooting very hot. I haven't chronoed it yet, but the previous owner said it was about 570 fps. I want to buy a PDI 6.05, and a prowin chamber, or a laylax neo strike chamber. Does the hardness of the bucking matter if you're flat hopping it? Should I flat hop a harder bucking for an AEG that's shooting this hot? What bucking would you recommend?
Thanks, great video.
question.. so if the point of this mod is to impart more hop on the bb.. wouldn't simply increasing hop on the wheel do the same thing? aside from fps difference, i don't see how it would make a difference.
+MysteryFlavour The flat hop contacts the BB for longer than normal, rather than harder.
good stuff! Really helpful info since I am running this exact setup on my Polarstar :)
When I flip the bucking inside out, and then trim it, before I put it into the hop up system do I leave it still inside out or do I flip it back to the correct way?
Cade Norton Late I know, the bucking stays inside out.
LegoMotion you're a fucking idiot.
Nathan Elmert sooooo does he leave it inside out?
Are you guys still going with the flathop these days and still think it's the way to go? What do you think about the barrels that come with one already installed?
After you trip the ridge and bump off do you need to right side out the bucking?
Yup correct. Return it to it's original orientation and then rotate it slightly so that the parts you just cut off are not in the window. This way the rough spots you just cut out don't engage the BB. Only the smooth parts of the bucking will touch the BB.
This is unrealated but would the polarstar jack in a arp 556 be a good combo
As far as being able to be installed, yes. However, the rest is personal preference on whether it's a good combo for you. Hope this helps. -Kurtis
How do you know what kind of hop up your gun uses
Why do you need to cut the nub wings off?
Hey amped. Could you please tell me if a flat hop will work with a miracle barrel?
Hmmmm I my bucking don have the range inside so I don have to trim it off . MB is the new version or something ??
They didn't specify the orientation of the nub. They cut it with one side a bit longer so it makes a difference which orientation you install it in. Can someone clarify please!
Do you guys know the best nub to run with a modify xrange ive tried a promi flat blue i was really over hopping with it even with the tdc knob out of the the chamber on. 36 never tried it with .40 and higher, factory tti round nub, acted more like it should, but i have major curving issues, still on .36, and mapleleaf omega, that i still have slighly better curving with but still over hopping slightly .36 feeds consistently but curves too much, .40 feeds ok, with slightly better curving. . 45g curves way less but doesnt feed as well Vsr 10, tti TDC aa teflon cylinder, aa piston, modify ssx 6.03 inner barrel. Thanks
im sorry im a noob but im trying to understand the tech and mods of airsoft before actually getting into it (interested in the machinery of airsoft guns) but what exactly is an r hop and flat hop and what exactly does it do?
well, assuming you know what hop ups do, a lot of people do these kind of DIY mods to make you hop up give you even more range and consistency in BB flight pattern, (look up the magnus effect, that's what's happening to a BB basically within a hop up unit) and flat hops and R hops just allow for "more" hop, so more backspin, allowing for heavier BB's with longer range.
basically
ok yeah i understood that but i still dont know whats the diff between them in terms of bucking alteration and such. i thought a flat hop was basically a flat nub instead of the standard dome nub until i looked into it and i see people sandpapering their bucking to remove the inner mound and ridge (why is that)?
Matthew Mai
some barrels don't have that incline where the line falls in place, thus making the hop up rubber sit at an odd angle, tending to give much more hop up then needed.
as for the little nub inside the rubber, they remove that because it's too weak on it's own (and too inconsistent), but too strong with the cut down when the moddified nub pushes down on it.
hope this helps!
Amped Airsoft can you link me the products used in the video? all except the barrel.
Hi, Great video! I am looking to upgrade the Hop-Up in my Umarex Elite Force ( vfc ) hk416 a5 w/avalon gearbox. are these parts compatible ??
The cuts on the nub are clearly different - you didn't state which end of the nub faces muzzle front.
I saw a video of someone filling in the space in the barrel with modulable glue, but yall just put the bucking back on, any thoughts?
Here is the video for reference: th-cam.com/video/Xj6MvuGVUO0/w-d-xo.html
Can you use an r hopped barrel with a flat nub?
Is the roller bar necessary? My nub did not come with one
Are the Prometheus nubs wider than the firefly? Are they still thin enough to fit in a prowin?
how would i do this on an a&k svd dragunov? it has a weird hop-up
hello friend,i make one to my svd using a vsr bucking,works good
ok, cool, but what about the hop up arm? or do i just have to shave down the bucking?
on the body hopup I'll have to open a larger hole than is to be able to fit the square nub that is used in rhOP (I use a hopup of pps which is regulated without keys) sorry for the English, I use translator
awesome, did you drill out a bigger hole?
not friend, I will try to do it this week, if it works post a comment and try to send you photos
I saw you guys at ballahack recently! Great work! Keep it up!
So just found out that Dutch the hooligan said that you could just buy the umbrella armory pre rhoped inner barrels and all you have to do is throw in a flat hop bucking which wasn’t specific at all if anyone knows what and how you can do that please tell me my ears are bleeding from hearing this and that about how to upgrade your hop up and inner barrel
Correct, you can. We offer these barrels. You will simply need a flat hop style bucking or make one out of a standard one and be good to go.
Barrels for reference:
ampedairsoft.com/search.php?search_query=umbrella%20barrel§ion=product
Bucking:
ampedairsoft.com/prometheus-air-seal-chamber-hop-up-bucking-packing-flat-type-blue/
Hop:
ampedairsoft.com/maxx-cnc-aluminum-hopup-chamber-me-pro/
We also recommend these for locking down your barrel setup within your receiver:
ampedairsoft.com/amped-airsoft-hopup-o-ring-barrel-spacer-pack-of-10/
Hope this helps!
Quick Question, So on a normal barrel besides the orga, you install the bucking inside out even after you shave off all the nub thingies in it? essentially making the bucking completely flat right? Is this done on all buckings besides the Prommy Purple? say if i use a mapleleaf or even the firefly buckings?
Hey guys, informative video and all. I was going to purchase a tippmann. M4 and was wondering if I'm able to flat hop it, also what kind of Barrel would you recommend for it? Thanks!
If I use this setup with the Prometheus bucking will I have feeding issues for my f1 due to the lips?
If i do an s-hop on my barrel what nub do i use. I also have the bucking with no bump inside only the long ridge and i have a flat nub that came with it.
Or do i even attempt to do the s hop with the sugru?
Can you leave nubs uncut? Or does it depend on barrel window size, just for clarification.
So i noticed you didn't turn the bucking right side out when you shaved it. Do you need to turn it back to right side out after your done taking the nub and grove out?
they dint modify it.... they where saying if you use different inner barrel ul have to shave off.... but if u use orga u dnt have to....
Mandirigma14689 thats not what i was asking but i ok....
Pretty sure you turn it right side out again
So would you recommend getting the Orga over a normal 6.03 tightbore? The extra work for the tighbore isnt that hard but would the price of an Orga be worth it over a Madbull 6.03?
Why do you have to turn the bucking inside out for a tight bore exactly?
You need to turn it inside out so that you can remove the nub and groove on the inside. Once finished, you turn it back right side out and then rotate it when you install it so that the smooth inside will come in contact with the BB instead of the rougher part.
ok so on that last part you leave the bucking inside out when you install it in you hopup ?
Yeah I'm confused by this part too?
no, you flip it back and rotate it 90 degrees so any imperfections from the trim aren't in the hop up window
any tips on how to do this with a G&P M14? they have weird hop-ups, and i can't dig up anything on them.
Hey guys, great video. Just wondering what your second choice would be instead of the Firefly nub? It's just kind of expensive. Thanks
Great video guys! But I have a question, would the configuration of hop up, that you guys are running, work on a katana m4? And how do you tell if a certain hop up can work for a gun?
Thank you for the video..btw whart type buffer rubber namazu firefly do you use.? Hard or super hard? Thx's before.
We use the Namazu Red, which is the Hard variant. This helps with heavier weight BBs.
Awesome Video!! I had a question what kind of hop-up rubber would work well with .03g BBs in cold weather conditions. Had a modify hop-up rubber installed and the rubber is now completely torn up...
G&G green or Prometheus purple if you have the moneeyyzz
cool, but the same rule applies, cut off the bump and ridge that is on the hob up rubber, right?
Shockwave1985 only remove the ridge if you are using a flat-hop nub such as the Firefly one pictured in this video.
Pat Fenis Why only the ridge and not also the nub ?
The Bucking which is shown in this Video is a Prometheus and not a Firefly, the Nub is from Firefly but not the Bucking.
At 09:50 it says I have to trim of the Ridge AND the little Nub (which is normally pressed into the Barrel-window).
So what do i have to do if i want to create a flat-hop setup with a Prometheus purple Bucking, a Prometheus 6.03 EG Barrel, a Firfley Namazu Nub and a ProWin ?
I thought i have to trim of the Ridge AND Nub of the Prometheus purple Bucking and put it (90 degrees turned) back on the barrel ?
Fränkische Wölfe My mistake, I used the wrong terminology. I typed bucking instead of nub.
You are exactly correct. To use the Namazu nub with a standard type bucking (prometheus purple included) you have to remove all of the inner protrusions from the bucking (the alignment ridge, and the bump intended for the barrel window). And Put the bucking on the barrel (turned 90 degrees from regular) so that a smooth factory finish is making contact with the bb and not the rough patch where material was removed.
Can I flat hop a armalite m4 aeg? Shoots darn well for what it is, already upgraded motor and swapped to lipo. Shot consistency isn’t always the best. Let me know!
You can flat hop any AEG that utilizes a standard hop unit. From the sounds of it, your rifle is probably your standard M4 AEG and is able to be flat hopped. Hope this helps!
Amped Airsoft thanks! Will try it out!
@@aaronp8902 Sounds like a plan! Best of luck!
Will Promy purple + Promy Flat hop nub fit to AK chamber? With Madbull black python v.2 or Madbull steel both 6.03 as well?
Does anyone know if the ORGA nub will fit in the ProWin unit without modification? Thanks!
This has probably already been answered.. but is the modify flat hop bucking good? Or baaaaad ... I don't want to take the short cut route just trying to stay in a budget and having a hard time finding the promy purple..
I just picked up a modify nub and bucking, heard they are really good so yea far as I know they aren't bad
+Stealth5Airsoft right on thank you
Hey Justin. I was learning how to take out hopup and reinstall it in gun, just so I can learn ya know. I was having feeding and jam issues after the fact. Can the feeding and jam issues be because my spacer was to far forward? Does adjusting really cause stuff like that to happen? I have a polarstar fusion engine by the way. Thanks!
Do you have to cut the nub?
are the rotary type and sidewheel type of hop unit interchangeable?
will the rotary type fit a g3?
My friend reccomended me to buy a "Modify Flat Hopup bucking"
Is it any good
It is also a good bucking. 8) They are very popular. A matter of fact, we have several on the way for a restock! Should be here mid next week. -Kurtis
I can also attest that Modify is a good company to go with, I use their barrels and buckings and I am very happy with their performance over the past two years.
Hi, I am looking for my hop up chamber, and saw a hole in the upperside of it. Can I to close it? Can It maybe do a leak? It is an gray hop up unit G&G used in M4. Thanks!