A-Tec Optima 45 Flow Cal 30Lyddemper spesiallaget for halvautomatiske rifler.Teknisk:OVERALL PERFORMANCE: 21 DB(C)SILENCER WEIGHT: 350 gDIAMETER: 44,4 mmOVER BARREL LENGTH: N/AADDED LENGTH: 168 mmTOTAL LENGTH: 168 mm