Beretta Authentic Parts Oversized cartridge control lever for Beretta semiauto shotguns with 3.5" chamber, 12 Gauge. To complete functionality, the New Bolt Release Cover item (C5H273) is required, see related products to find it quickly.   This item/s will fit: 1301 Comp PRO (3" Chamber) A400 12 Ga. (3,5" Chamber) 1301 Comp 12 Ga. (3,5" Chamber) A391 Xtrema (I and II) 12 Ga. (3,5" Chamber) A350 Xtreme 12 Ga. (3,5" Chamber) New Oversized Bolt Release for 3.5" 12Ga