TC Encore T/C ProHunter Katahdin 450 Bushmaster Barrel 20" Stnls Fluted Threaded

Thompson Center Arms 8117R Encore Prohunter
Katahdin Barrel 450 Bushmaster, 20" Fluted Stainless Steel

Built for versatility and precision, the Thompson Center Arms 8117R Encore Prohunter Katahdin barrel is a premium accessory for the T/C Encore platform. Chambered in 450 Bushmaster, this 20" fluted stainless steel barrel combines durability with modern performance features, making it ideal for hunters and shooters who demand reliability in the field.

Crafted from stainless steel with a natural silver finish, the barrel is threaded at the muzzle (11/16-24, commonly listed as 5/8-24) to accommodate large-bore muzzle devices. The 1:24 twist rate ensures stable bullet flight and accuracy across a range of loads. Drilled and tapped for a standard T/C 4-hole scope base pattern, it’s ready for optics installation.

Key Features:

• Caliber: 450 Bushmaster
• Barrel Length: 20" fluted design for reduced weight and improved cooling
• Material: Stainless steel with natural silver finish
• Muzzle Threading: 11/16-24 (large-bore standard; some listings show 5/8-24)
• Twist Rate: 1:24 for consistent accuracy
• Sights: None; drilled and tapped for T/C 4-hole scope base
• Compatible Forend: Requires Katahdin-diameter forend or synthetic 3060R Black Flex Tech forend

Engineered for the break-action Encore Pro Hunter system, this barrel delivers rugged dependability and precision performance in a compact Katahdin profile.

E. Arthur Brown Company, Inc
4088 County Road 40 NW, Garfield, MN 56332