12 gauge OPTIMA HP Stainless Steel Competition (Beretta A400, Beretta 692, DT-11, SV10 Prevail, SV10 Perennia, all guns made after 2011 to present except for the A300) Choke Tube
Constriction Guide: Ü0: Cylinder/Skeet, Ü1: Skeet/Improved Cylinder, Ü2: Light Modified/Modified, Ü3: Modified/Improved Modified, Ü4: Full/Extra Full. Muller Chokes is not responsible for incorrect choke selection. If you are unsure what choke your barrel takes, please check with a reputable gunsmith.
12 gauge OPTIMA Stainless Steel Competition Choke Tube
Constriction Guide: U0: Cylinder/Skeet, U1: Skeet/Improved Cylinder, U2: Light Modified/Modified, U3: Modified/Improved Modified, U4: Full/Extra Full. Muller Chokes is not responsible for incorrect choke selection. If you are unsure what choke your barrel takes, please check with a reputable gunsmith.