Well you need 4 of them jagged bits coz they split apparently.I thought I saw one of the guns somewhere in ebay.... ill send you a link when i find it again.
Sweet cheers. I had noticed there are 2 on each side, I tried to word it that way but didn't get it out right
I did see a pair of them on ebay, but I just don't have the spare money right now to get them. Though I may get the gun if you find it lol.