To disassemble a Smith and Wesson M&P 9mm, you will need the following tools:
- A T9 Torx wrench
- A medium Phillips head screwdriver
- A small slotted screwdriver or a knife
1. Begin by removing the magazine from the gun. Point the gun in a safe direction and pull the slide back to ensure that there is not a round in the chamber.
2. Using the T9 Torx wrench, remove the screws from the left side of the gun. There are three screws in total. Note that one of these screws is hidden beneath the slide lock lever. Be sure to remove this screw first before removing any other screws.
3. Once the screws have been removed, slide the left side plate off of the gun.
4. Next, remove the recoil spring assembly by pushing down on the take-down lever and then pulling it out.
5. With the recoil spring assembly removed, you will be able to see the barrel assembly. Remove the barrel assembly by pulling it forward and out of the gun.
6. The last step is to remove the slide stop lever. This can be done by inserting a small slotted screwdriver or knife into the hole on the right side of the gun and pushing down on the lever until it pops out.
With these steps, you should now have a completely disassembled Smith and Wesson M&P 9mm.
Here’s a quick video on how to disassemble a Smith and Wesson M&P 9mm:
1. Make sure the gun is unloaded by checking the chamber and magazine.
2. Lock the slide back by pulling back on the slide stop and pushing up on the rear of the barrel with your other hand.
3. Twist off the barrel from the frame (lefty loosie).
4. Push out the recoil spring assembly from beneath the barrel (it will pop out).
5. Remove the striker assembly by pushing down on it and pulling it forward (you may need to use a small screwdriver or knife to get it started).
6. Lift out the firing pin block (it’s spring-loaded, so be careful).
7. Take out the trigger assembly by depressing the trigger safety and pushing forward on the trigger (it will pop out).
8. That’s it! You’ve now disassembled your Smith & Wesson M&P 9mm.
1. Make sure the gun is unloaded and pointed in a safe direction.
2. Remove the magazine from the gun.
3. Rack the slide back and lock it open with the slide stop lever.
4. Look into the ejection port and locate two pins near the front of the slide (see photo below). These pins hold the slide onto the frame of the gun.
5. Using a small punch or a nail, gently tap out these two pins from left to right (see photo below). It may help to use a small hammer or mallet for this step.
6. Once both pins are removed, the slide can be removed from the frame of the gun.
7. To reinstall the slide, simply reverse this process. Make sure to line up the two pins correctly before tapping them back into place.
We also recommend that you watch this video
Make sure that your gun is unloaded and pointed in a safe direction before proceeding.
- Remove the magazine by pushing down the magazine release button and pulling it out of the gun.
- Pull back on the slide to eject any rounds that may be in the chamber.
- With the slide pulled back, use your thumb to push up on the barrel lock (located just in front of the ejection port) and then twist it 90 degrees counterclockwise. The barrel lock will now be free to move and you can pull it straight out of the gun.
- The slide can now be removed from the frame by pushing it forward and off.
- To reassemble the gun, simply reverse these steps. Make sure that the barrel lock is in the locked position before inserting the slide back onto the frame.
Then, take off the grip screws and remove the grip.
After that, unscrew and remove the barrel from the frame.
Next, take out the recoil spring and guide rod.
Finally, loosen and remove the takedown pins from the frame.
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