Beretta Authentic Parts
Magazine extension set for Beretta 1301 Comp Pro and all other 1301 series shotguns. The number of shotshells is increased as follows:
76mm cartridges - nr. 5 shots in magazine tube + nr. 4 shots with the extension + nr. 1 shot in the barrel - total of 10 shots (9 + 1)
66mm cartridges - rounds increase to a total of 11 rounds (10 + 1)
Magazine Extension with the spring
Will fit previous 1301 models.