To disassemble a Lefever shotgun, first ensure the gun is unloaded and the safety is engaged. Open the action and remove the forearm by pressing the release latch, then slide it off the barrel. Next, unscrew the barrel from the receiver by turning the barrel lug counterclockwise. Finally, you can access the internal components by removing the stock, typically done by unscrewing the stock bolt located at the rear of the receiver. Always refer to the manufacturer's manual for specific instructions and safety precautions.
If it doesn't say Lefever somewhere on the gun, I don't think you have a Lefever.
In order to determine the age of Lefever shotgun, the serial number must be known. However, Lefever shotguns were only made and distributed between 1885-1916.
Your shotgun was manufactured in 1923, by Ithica Guns which took over the Lefever brand when they acquired the corporation in 1916.
LeFever is one.
Ithaca Firearms manufactured the Lefever Nitro Special shotgun with serial numbers between 101600 and 119899 in 1922.
The average cost of a Lefever Nitro Special shotgun at auction is $650. This amount may be higher or lower depending on the condition of the gun.
The Lefever was mfg. in 1935.
To disassemble a Lefever Nitro Special, first ensure the shotgun is unloaded and the safety is engaged. Open the action and remove the barrel by locating and turning the barrel release lever, usually found at the front of the receiver. Once the barrel is removed, unscrew the stock from the receiver using the appropriate tool or screwdriver. Finally, you can access the internal components for further disassembly if needed, but be cautious and take note of the assembly order for reassembly.
1896.
1927
If it is a double, remove barrel and you will see it along with serial #.
Examine with high power magnification.