- Mad Bull Thunder Blue Bucking
So I received one of these today for my ICS M4 which already had above average accuracy. Very soft buckings and I'm glad it came with two because I broke one during installation. It was my first time installing a bucking. :)
This thing needs a ton of silicon oil spray in order to slide into the hop-up chamber smoothly. Installing the bucking is easy once you lube it up but the nub is a pain, as with any nub. It took me forever to get this thing installed but the bucking is clearly better than stock. It grips the BB better as it is a bit tighter inside and it will put a better backspin on the BB.
The nub is the same as a stock nub, it's not their fishbone nub. So when separating the inner barrel and hop-up unit, if your nub does not fall out then just install the new bucking and re-assemble. Don't bother replacing the nub like I did - this did nothing and cost me hours. But it was my first time installing a bucking, next time shouldn't be as difficult but I don't want to take chances...
It is a soft bucking... not drastically softer than my stock ICS bucking or any soft bucking, so keep this in guns running below 400 FPS.
- Two for $10? Yes please
- Grips BB much better, improves accuracy and effective range
- It's a hop-up bucking. If your stock nub falls out it will be a pain to install. If it does not fall out, just install this bucking and re-assemble!