I'd thought the Bounty Hunters out there might like a link to the famous BBC. Over on A good set of blaster plans are over there and techniques for building you some PVC hardware! Not exactly Mandalorian, but a good scratch building prop reference none the less.

Also, check out my site, to see some pics of my Imperial Stormtrooper Blaster made of plywood, PVC pipe fittings, and Bondo.