This Ruger manufactured late variation piston block plug is for the model 44 semi-auto carbine and is in very good 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 piston block plug:
No Prefix: 107880 & 114926
100 Prefix: 100-09871, 100-13353 & 100-36694
102 Prefix: 102-06552, 102-23818, 102-06552 & 102-67115
