How old is a browning blr with a serial number 51084k47?

To determine the age of a Browning BLR with the serial number 51084K47, you would typically need to refer to Browning's serial number records or production date charts specific to the BLR model. However, without access to those records or specific production year data, I can't provide an exact age. It's often helpful to contact Browning directly or consult a knowledgeable firearms dealer for precise information regarding the serial number.