Yes it is a fully rifled & fluted 20 Ga barrel see *********Thompson Center Encore Pro Hunter 20 Gauge Shotgun Slug, 28" Barrel Single-Shot Capacity, Stainless Steel Finish FlexTech Stock Md: 28204297
On your next hunt, rely on a gun that delivers industry-leading accuracy and versatility throughout the seasons. Available in 12-or 20-gauge with a 3” chamber, the Encore Pro-Hunter Shotgun Slug features a ******828” fully-rifled fluted barrel, ambidextrous Swing Hammer and compatibility with any other Encore Pro Hunter or Encore barrel.
Specifications:
Caliber : 20 Gauge
Finish/Stock : Stainless/FlexTech
Barrel Length : 28"
Capacity : Single Shot
Length of Pull : 14"
Overall Length : 42.5"
Weight : 7.5 lbs.
Sights : None

es it is a fully rifled & fluted 20 Ga barrel see *********Thompson Center Encore Pro Hunter 20 Gauge Shotgun Slug, 28" Barrel Single-Shot Capacity, Stainless Steel Finish FlexTech Stock Md: 28204297 On your next hunt, rely on a gun that delivers industry-leading accuracy and versatility throughout the seasons. Available in 12-or 20-gauge with a 3” chamber, the Encore Pro-Hunter Shotgun Slug features a ******828” fully-rifled fluted barrel, ambidextrous Swing Hammer and compatibility with any other Encore Pro Hunter or Encore barrel. Specifications: Caliber : 20 Gauge Finish/Stock : Stainless/FlexTech Barrel Length : 28" Capacity : Single Shot Length of Pull : 14" Overall Length : 42.5" Weight : 7.5 lbs. Sights : None

Chester, yes Sir. The barrel is a "28" Fully Rifled Fluted Barrel". This single shot break action shotgun has a 28" fully rifled barrel to fully maximize the accuracy potential of modern sabot slugs.