Paintball Sharktooth Shortie Rifled barrel kit with 5 size fins 0.679, 0.683, 0.686, 0.688, 0.690 with AC autococker threads, grease and foam lined case.
RRP was £135.65 from BZ paintball (labelled) - would be closer t0 £180 now, if available.
https://hammerheadpaintball.com