DesertFox Airsoft goes to have some fun with tracer BBs when he was at the High Ground Airsosft Summer Palooza with the Umarex HK416C... "Star Wars themed game play from High Ground Airsoft Arena's Airsoft Summer Palooza. The laser blaster effect was done by using a G&G Armament tracer unit with Elite Force .20g glow in the dark BBs."