repair man for airsoft in ontario
 

is there anyone that repairs airsoft guns in ontario reason being i have a new film props buisness and needing the guns to work fire at about 400 fps and also on occasion will be usuing the red 5mm paint bll bbs for a blood gun effect

Holy geez, can you even get those paint BBs anymore (assuming you're not actually looking for 5mm, which could make it harder)? I haven't fired them since the mid-90s, but good luck getting a blood effect out of 'em, man. I would recommend going a more traditional way with your effects.