How do you breakdown sears roebuck model 21 20 gauge shotgun?

1. Unload the shotgun. Make sure the shotgun is unloaded by opening the action and visually inspecting the chamber and magazine.

2. Remove the forend. The forend is held in place by a single screw located at the front of the trigger guard. Use a screwdriver to remove the screw and then pull the forend straight off of the barrel.

3. Open the action. The action can be opened by pulling back on the operating handle located at the rear of the receiver.

4. Remove the bolt. The bolt is held in place by two screws located on the bottom of the receiver. Use a screwdriver to remove the screws and then lift the bolt out of the receiver.

5. Disassemble the bolt. The bolt can be disassembled by removing the firing pin and extractor. To remove the firing pin, use a small punch to drive out the pin that holds it in place. To remove the extractor, use a screwdriver to pry it out of the bolt head.

6. Clean the shotgun. Use a cleaning rod, bore brush, and solvent to clean the barrel, chamber, and bolt.

7. Reassemble the shotgun. Reassemble the shotgun in the reverse order of disassembly.

Here are some additional tips for breaking down a Sears Roebuck Model 21 20 gauge shotgun:

* Be careful not to lose any small parts, such as the firing pin and extractor.

* If you are having difficulty removing the forend, you can try using a heat gun to loosen the glue that holds it in place.

* If you are having difficulty removing the bolt, you can try using a penetrating oil to loosen the screws that hold it in place.