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Firefly V-Shape Hop Up Bucking for AEG (Soft)

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The Firefly V-Shape Hop Up Bucking is the ultimate hop up bucking for those that demand nothing but the best performance out of their AEG. The mechanics behind the V-shape bucking is this; as hop up is being applied the base of the 'V' separates to create two points of contact with the BB. By separating the bucking contact with the BB into two parts it creates a more uniform backspin during flight, reducing the probability of an off axis spin.

Manufacturer: Firefly
Color: Black
Material: Rubber
Package Includes: One (1) Hop Up Bucking
see 4 reviews | Write a Review
verified buyer
J. HOOGERHYDE | 2009-03-15
Product Information:
Just as good as a systema bucking with a SCS nub, and would cost the same to have both of those items shipped, without the SCS nub the systema doesn't stand a chance against this. A promy bucking would probably be good enough for most for the people looking for the best this is it.

Very consistent hop-up
Doesn't jam

Thin, so it will rip easier then other bucking's, but if you rip it during installation I would more likely assume you don't know how to change the bucking correctly.
Z. ALKHATIB | 2010-08-31
Product Information:
not really a 'v' its more like 4 vertical lines, a millimeter each, and they look like this: ' ' ' '

with the 2 on the outside a little shorter... Compared to the kwa stock (1ST gen), its a little thinner, but wider, so getting it in to the hop up unit is a little tight, so be careful, as it thin and easier to rip...

But inserted, its perfect, it works better than a stock bucking with a H HOP nub... You cant use them together because the h nub will squeeze the 2 main vertical nubs together like: ' " ' providing bad hop.

So id use a stock nub and this; such a good result with a tightbore and .25 bb

Consistent hop
fewer 'flyers'

Kinda thin
on the steep price side
verified buyer
N. TUVERA | 2011-10-09
Product Information:
This is my favorite bucking compared to my G&G green (also good) /w stock nub or Systema (ripped) /w H nub. I have had this bucking in for about 20k rounds. I have been using it with an Madbull 6.03 229mm tbb and now a Prometheus 6.03 205mm tbb. Once centered in the inner barrel window, it gives good accuracy. Its design is comparable to the KWA 2GX bucking, and PDI W-hold bucking. It is pricey and hard to find compared to the other buckings, but I think it is a good drop-in investment over a standard nub bucking.

-easy drop in to increase accuracy over a regular bucking (just make sure it's centered)
-works well with a standard nub.
-fairly durable (when installing a bucking)
-has lasted over 20K rounds without having to touch it
-easier to deal with than a standard bucking with h-nub

-it's pricey for a bucking
-availability is hard to come by
-there are other options which can yield similar results (with tuning) that are cheaper
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