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Discussion Starter · #1 ·
So, i've been hearing a ton of stories about hop up rubbers.

so what do you guys prefer?
-soft?
-hard?
-silicone/rubber?
-Special hopup rubbers (W-hold, 3-prong)
-Uniques (R-hop)

also, anyone ever compared them with each other?

So what tickles your fancy, and most importantly: why?

Currently i'm running a W-hold in a PDI hopup unit, and are planning to R-hop it (if its not too much trouble). It gets my shots where i need them, but I feel it could do better.

In my G36k i'm running a shaved hopup rubber (probably CA or ICS) with an SCS hopup nub. It really is disappointing, but I think its more of a barrel problem (Polished 363 Tanio Koba Twist, tuned to 300 FPS. Performance is sub-par) Even with a shaved Madbull Velocity Enhanced Shark bucking (Silicone) it was not what I expected.
 

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The R-Hop is by far the most consistent, from what I hear. I have it here, but have been having some trouble installing it. I will get around to it when I have more time to sit down and get it done. Aside from that, for my AEG I like using soft silicone hop rubbers, and I have done the nerf-dart foam mod that Cheese suggested for the nub.
 

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I prefer hard as I shoot at around 460fps on .2g bbs.
I used to use Firefly but each bucking performed differently so now I just use Nineball.
 

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I've been hearing a lot of good things about the madbull shark buckings, anyone know if they make a hard one?

Me personally, I've used a guarder clear silicone bucking with hold and I really like it. Plus I've found a place here in Canada that has the R-hop Z-kits. So I'm going to be picking up a few of those very soon.
 

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I have a madbull shark bucking in my M14 EBR right now. I have not seen hard ones. They are really only good for an AEG anyways, because their primary purpose is to stop double feeding.
 

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I use a Prometheus hard bucking in my 550ish FPS L96. Works like a charm, though I don't have the issue of the bucking opening being too small for the bb's to be pressed into with just the pressure put forward by the cylinder head making contact with it. I tried the same set up with a soft and the soft was about as effective as me using the rubber tip of a nerf dart as the whole bucking. The hard bucking does its job for me and keeps the shots way more consistent than the soft or the original bucking.
 

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Discussion Starter · #10 ·
Interesting... I'm going to experiment with the R-hop EZ install in a PDI Hopup unit. It should work in theory, however I have yet to see someone make a tut or vid about the install itself.

Anyone have some experience with the PDI W-Hold VS Prom. Hard or Firefly Hard? These seem to be the most loved buckings for 450-500+ rifles. This being asked, cause the W-Hold seems very soft.
 

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Discussion Starter · #12 ·
Anyone ever stuffed an R-hop in a PDI Type96 unit?

I'd figure a Hard hopup rubber would be better for airseal than a soft one?

Also, i believe madbull makes hard hopup rubbers, the Red ones are 60degrees. (Dont know if that specifies as Hard though...)
 

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i have tried many hop up rubbers in my day.

i found that the PDI w hold bucking gets AWESOME semi auto accuracy, over anything else but when you go full auto on your AEG your grouping could be better. i would recommend this rubber for a DMR setup only.

for an accurate full auto setup i like the prommy purple (soft) i found that i get a great airseal, very good semi auto groupings and very good full auto groupings.


in my TM VSR (545 fps) i am currently using the PDI w hold bucking and so far i am loving it.
 
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