This Ruger manufactured late variation slide spring measures approximately 9 1/2" long and is for the later model 44 semi-auto carbine and is in near excellent condition with light wear. (file photo)

Note: Ruger model 44 semi-auto carbines with the following serial numbers have been observed with this late variation slide spring:

No Prefix:

100 Prefix: 100-09871, 100-13353 & 100-36694

102 Prefix: 102-06552 102-23818, 102-51716 & 102-67115