This Remington manufactured carrier dog follower spring is for the model 870 Express slide action shotgun in 12 gauge and is in near excellent condition. (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: B466464M, B517355M & B624338M
C Prefix: C021120M
W Prefix: W742320M
