This heavy hackled dry fly can be used to imitate any small brown midge or gnat etc, the white hackle at the head can represent the fuzzy wings and be a good sight indicator for low light conditions.
Fritzmann Super Light Leg Warmers
Diana P1000 Pcp Carbine Magazine 5.5mm (14 Shots)
Gamo Anti-Shot Slide Stop
Bruni 92 cal. 8mm