This Remington manufactured second variation 5 1/2" long green synthetic magazine tube plug is for the model 870 Express slide action shotgun in 12 gauge and limits the shooter to only 3 rounds (one in the chamber and two in the magazine tube). This magazine plug is in excellent condition with light wear. (file photo)

Note: Remington model 870 Express slide action shotguns with the following serial numbers have been found with this part:

A Prefix: A253535M

B Prefix:

C Prefix:

W Prefix: