BudsGunShop.com - Rem chokes

Matthew, This barrel is not threaded to accept chokes, it is fixed at the Cylinder constriction rate.

it is a fixed cylinder choke (not choke tubes ) For more than 200 years, Remington firearms have been forged from the untamed spirit that will always define our nation. The proud tradition began with Eliphalet Remingtons first hand-built rifle in 1816 and continues to this day. At Remington's state-of-the-art R&D facility the Rock they are continuously reinventing shootability and redefining performance.
If you have been looking to convert your old, reliable Remington 870 field shotgun into a home defense model, then this is the part you need. This factory replacement part is built by Remington for use on most Remington 870 models. It is the perfect replacement barrel for your field models. This barrel features a ******fixed Cylinder constriction and a smooth bore perfect for Buckshot, Birdshot and rifled slugs. The barrel is 18.5" long and features a bead front sight.
Features and Specifications:
Manufacturer Number: 80060
Remington 870 Express 20 Gauge 18.5" Bead Sight Smooth Bore Blued
20 Gauge
3" Chamber
Length: 18.5"
Smooth Fixed Cylinder Bore
Bead Sight
Color: Matte Blued