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B.C.Hawk · July 13th, 2007, 17:42

It is literally a thumbscrew that changes the diameter of the rear of the nozzle. Restricting gas flow thru the nozzle. Once FPS limits are reached, lock in place with setscrew.

July 13th, 2007, 17:42	#18
B.C.Hawk Trader rating Join Date: May 2005 Location: Kelownas' Bronx district	It is literally a thumbscrew that changes the diameter of the rear of the nozzle. Restricting gas flow thru the nozzle. Once FPS limits are reached, lock in place with setscrew.