This Remington manufactured cocking head spring is for the model 41 bolt action rimfire rifle and mounts inside the tube attached to the cocking head and rear of the main spring rod pin. This spring is in very good condition with light wear.  (file photo)

Note: Firearms with the following date codes and serial numbers have been observed with this part: (AE) 21669, (CE) 32142, (OE) 66984, (RE) 108209, (LF) 150792, 151029 & 156496, (RF) 254407 & (LG) 266701.