3)MOST IMPORTANT FOR ME - if you plug your front into the ground whilst diving, you can just unscrew the front and carry on playing with the back
(Sounds loud as heel, but they still shoot as straight without the tip)
I have seen Smart Parts Freak barrel kits for sale in the Classified section > For Sale, alot of them are going for a very reasonable price, these kits are fantastic if your not bothered about the colour
Happy hunting