Are both barrels threaded for chokes?

Question

Answer

The 18.5 inch barrel is a fixed cylinder choke the 28 inch barrel is screw in rem chokes and comes with 3 Rem Choke Pattern Choke Tubes: Improved Cylinder, Modified and Full

Barrel ?'s

Remington 870 Express Combo 81293

Are both barrels threaded for chokes?

Barrel ?'s