Ext. Magazine Catch Magazine Catch Extended - fits all 9mm, .40, .380, .357, .45 GAP (standard catch on G34, G35) - (Excludes Gen4, Gen5, G19X,G36,G36FGR,G42,G43,G45,G48). Description: Magazine Catch Extended - fits all 9mm, .40, .380, .357, .45 GAP...