The Browning Diana Grade Extended Choke Tube in 12 gauge Improved Modified is built for consistent shot patterns using Invector-Plus tube technology. Stainless steel construction and a titanium nitride surface treatment help reduce wear and limit plastic fouling buildup.

Key features

• Invector-Plus tube technology for reliable fit and fast swaps
• Improved Modified choke marking IM for versatile, practical pattern control
• Extended tube design for an enhanced downrange patterning profile
• Stainless steel, heat treated prior to machining for durability
• Titanium nitride surface with 72RC hardness to resist wear and reduce plastic buildup
• Spreader-style helically rifled design to spin shot charge and help spread the pattern

Upgrade pattern control with a Diana Grade extended tube engineered to stay consistent shot after shot.