um , ▁. 3 8 ▁Special ▁and ▁. 3 5 7 ▁Mag num ) ▁by ▁changing ▁parts ▁of ▁the ▁cyl inder . ▁F N ▁decided ▁to ▁enter ▁the ▁revol ver ▁market , ▁aim ing ▁to ▁satisfy ▁law ▁enfor cement ▁customers ▁on ▁both ▁sides ▁of ▁the ▁Atlantic , ▁and ▁this ▁gun ▁represented ▁their ▁only ▁attempt ▁at ▁doing ▁so , ▁in ▁collaboration ▁with ▁A stra . ▁Production ▁stopped ▁around ▁ 1 9 8 9 ▁after ▁poor ▁sales . ▁The ▁revol ver ▁itself ▁is ▁generally ▁thought ▁to ▁be ▁well - made , ▁but ▁it ▁target ed ▁a ▁dimin ishing ▁revol ver ▁market ▁for ▁law ▁enfor cement . ▁ ▁Design ▁details ▁Fair ly ▁standard ▁in ▁design , ▁with ▁respect ▁to ▁other ▁double ▁action ▁/ ▁single ▁action ▁( DA / SA ) ▁heavy ▁frame ▁revol vers , ▁the ▁key ▁design ▁difference ▁between ▁the ▁F N ▁Bar rac uda ▁and ▁other ▁br ands ▁is ▁the ▁rapidly ▁inter change able ▁cyl inder , ▁allowing ▁the ▁user ▁to ▁easily ▁switch ▁between ▁ 9 × 1 9 mm ▁Par ab ell um , ▁. 3 8 ▁Special , ▁and ▁. 3 5 7 ▁Mag num ▁cal ib ers . ▁The ▁gun ▁has ▁a ▁p inned ▁bar rel , ▁five - s cre wed ▁frame ▁assembly , ▁and ▁an ▁internal ▁co il ▁ham mer ▁spring ▁that ▁can ▁be ▁adjust ed ▁for ▁trigger ▁pull ▁weight , ▁among ▁other ▁details . ▁The ▁trigger ▁pull ▁for ▁double ▁action ▁configuration , ▁in ▁factory ▁settings , ▁is ▁, ▁and ▁is ▁ ▁in ▁single ▁action ▁configuration . ▁Bar rel