590MM TIGHTBORE STAINLESS STEEL BARREL (6.03MM)
455MM TIGHTBORE STAINLESS STEEL BARREL (6.03MM)
363MM TIGHTBORE STAINLESS STEEL BARREL (6.03MM)
300MM TIGHTBORE STAINLESS STEEL BARREL (6.03MM)
247MM TIGHTBORE STAINLESS STEEL BARREL (6.03MM)
229MM TIGHTBORE STAINLESS STEEL BARREL (6.03MM)
19 STEEL TEETH PISTON
18:1 GEAR SET
15 STEEL TEETH PISTON
14 STEEL TEETH PISTON
13:1 ULTRA HIGH SPEED GEAR SET
NUPROL HIGH SPEED 16:1 GEAR SET
