For: * Discontinued * JG Bar 10 Hop Up Bucking/Part 21Product Information:
This hop up is the stock one that came with the gun. However, if you choose to not buy the firefly or the nineball, this will do. I shoot 414 feet per second average with the stock bar-10 bucking, and accuracy is great (even if you have a somewhat warped barrel like i do).
With a little teflon tape (1-2 wraps) around the round end (not the end with the extension), you will have very little compression loss. Make sure though that it doesn't cover up the spot that the v-lever hits, and make sure the v-lever's arms are the same length, if not, use some fine grit sandpaper to file the long one down.
Be sure to wash this before you put it on your gun. It could come with metal shavings which will scratch your barrel. Also, clean it regularly with either alcohol or dish water. I like alcohol because it leaves no residue.
Good up to 450 fps
Works really well even in upgraded guns (i use a pss10 150 spring and a db custom tightbore)
Bad beyond 450 fps, get a firefly hard hop up.