Here is a suggested parts list with approximate prices for the Flexilis version of the gun. Some parts such as the antenna and computer can be substituted, and creative folks will probably figure out simpler ways to fabricate some of the metal parts that we describe.
<Electrical and Wiring for "Magazine" (Parts from Radioshack)
(1) 3xAAA battery enclosure
(3) AAA NiMH 1.2V batteries (Nominally 1.2v, range from 1.4v-1v for most of discharge cycle)
(1) 5mm ~5v blue LED
(1) 5mm LED mount
2 position toggle switch
1.5 ft 22-gauge stranded-core wire
(1) RadioShack Adaptaplug H
Basic metal working skills are helpful in making the BlueSniper rifle. But if you don't feel confident working with metal, students at any high school or college metal shop will often be more than happy to help for a small fee. This is a good idea because they will get much needed practice, and often these shops will have metal scraps lying around, so you might not have to pay for some materials.
Here are the tools needed
Sander - Mechanical is nice, but hand-sanding is acceptable.