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