This Ruger manufactured late variation recoil block bolt with the smaller head (.405") is for the later 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 part:
102 Prefix: 102-06552, 102-23818, 102-51716 & 102-67115
