Teague Blaser F3 Super Extended
Tax included.
The TEAGUE ported choke protrudes from the end of the barrel, adding length to the barrel and providing a longer tapered section in the choke for a more consistent pattern. The vents cut into the extended section allow for gas to escape from the barrel to reduce muzzle flip, whilst the knurling on the top of the choke allows you to change the chokes by hand without a key.