that's the date code, check the date code stamped on the barrel. Remington Society of America, Manufactured Date link has the details.
value is dependent on condition, look for like condition on gunbroker.com
What is the value of a Remington 29 T 32 barrel worth in great condition
Remington didn't make a model 55 rifle, nylon or otherwise. Autoloader, lever, or Bolt, Clip or Tub, letters on left side of barrel?
Try posting at Remington Society of America.
50-150
Hexagon barrel what? Model? pump, rolling block, ?? Condition?
Model ? Condition, condition, and condition ????
Steel or Damascus barrels?
Which model, what condition?
The 1894 was a side by side barrel the 1893 was the single shot
Well if you cut the barrel and start at the feet,it can be good as a blender.
NOWADAYS $100 , NO SCREW IN CHOKES= NO VALUE
Remington Model 24 serial no#s were from 00001 to 130,425.Don't know what you mean by long spur and rifle model RW408700?