Tools used in the P320 Disassembly and Reassembly Videos

The P320 pistol is Sig’s first striker fired pistol and was picked up by the United State’s Department of Defense as the M17.

The P320 is a pretty simple pistol to work on and we have created several videos for you but there are some tools that you will need to work on this pistol. Therefore we created this Tools used in the P320 Disassembly and Reassembly Videos post. 

There are affiliate links in this posting to get you to the exact product that I own and used in the video series. Not all links are affiliate links.

Tools used in the P320 Disassembly and Reassembly Videos:

Field Strip:

Two Hands


Slide Disassembly:

Removing the Slide Rear Cap

1/16″ Punch – Depress on the back of the Extractor


Slide Reassembly:

Installing the Slide Rear Cap 

1/16″ Punch – Depress on the back of the Extractor


Fire Control Unit Removal and Grip Module Video:

Removing the Magazine Catch

Small Screwdriver – Separate Magazine Catch


Fire Control Unit Disassembly and Reassembly: 

Removing the Slide Catch Lever

3/16″ Punch  – To push the Slide Catch Lever Pin

Tweezers – To remove the Slide Catch Lever Spring Assembly

Removing the Sear and Safety Lifter

1/16″ Punch – To push the Safety Lever Pivot Pin and Sear Pivot Pin

Removing the Safety Lever Housing

Brownells Universal Pistol Armorers Block – (you can use a piece of 2X4 with holes drilled into it as well)

8 oz Ball Peen Hammer

3/32″ Roll Pin Punch – To remove the Safety Lever Housing Pin

1/16″ Punch – To lift the Disconnector from the Housing

Pick – To remove the Takedown Safety Lever Spring

Assembling the Safety Lever Housing 

Pick – To install the Takedown Safety Lever Spring

Installing the Safety Lever Housing

5/64″ Punch – To hold the Housing into the frame

3/32″ Hollow-Ended Starter Punch– To install the Safety Lever Housing Pin

8 oz Ball Peen Hammer

Brownells Universal Pistol Armorers Block – (you can use a piece of 2X4 with holes drilled into it as well)

5/64″ Roll Pin Punch – To Install the Safety Lever Housing Pin

Installing the Safety Lifter and Sear 

1/8″ Punch – To install the Safety Lifter Spring and Safety Lifter

Tweezers – To Install the Safety Lifter Spring, Safety Lifter and Sear

Pick – To move the Safety Lifter Spring

5/64″ Punch – To align the Sear with the hole

Installing the Takedown Safety Lever

Pick – To compress the Spring

Installing the Slide Catch Lever

Tweezers – To place the spring assembly onto the frame

Installing the Trigger Bar and Trigger

Tweezers – To install the Trigger Spring onto the frame

P320 80% Frame Completion: 

Inserting the Frame into the Jig

Brownells Magna Tip Magnetic Law Enforcement Handle with a #2 Philips Tip– Work with Screws on the Jig

Bending the Frame Rails

JSD Supply P320 80% Jig with drill bits

4 1/2″ Vice – Hold the Frame and Jig

Vice Jaws Hold the Frame and Jig

3 LB Dead Blow Hammer – To hammer the Top Plate of the Jig 

Drilling the Holes

Drill Press – Drill the Holes

JSD Supply P320 80% Jig with drill bits – Guide the drilling

5 in. Rugged Cast Iron Drill Press Milling Vise – Hold the Frame

Oatey 3024 Dark Cutting Oil – To cool the Drill Bit while Drilling

Opening up the Trigger Slot

5 in. Rugged Cast Iron Drill Press Milling Vise – Hold the Frame

Dremel – Cut the Trigger Slot

Dremel 194 bit – Clean up the Trigger Slot

Opening up the Safety Lever Slot

Scribe – Draw lines on the Frame

Square – Make sure that the lines are straight

5 in. Rugged Cast Iron Drill Press Milling Vise – To hold the Frame

Dremel – Cut the Slot

Dremel Reinforced Cut Off Wheel  – Cut the Slot

Broken Ceramic Tile – Grind down Reinforced Cut Off Wheel

Dremel 9904 bit – To Finish the Slot

Cutting the Slide Rails

JSD Supply P320 80% Jig with drill bits – Guide to cut the Frame Rails

Hacksaw with 24 TPI blade – Cut the Frame Rails

Calipers – Measure the Frame Rails

TRB P380 Frame Rail Calculator – To fine-tune the size of the Frame Rails

Layout Fluid – To see where there are high spots

Scribe – Mark the Frame Rails

Dremel – Cut the Frame Rails

Dremel Reinforced Cut Off Wheel – Cut the Frame Rails

4 1/2″ Vice– Hold the Frame

Vice Jaws  – Hold the Frame without marking it

8″ Bastard Cut Mill File– Cut the Frame Rail

Brownells File Chalk – Used off camera to keep metal chips from filling up the file

Brownells Card File – Used off camera to clean the file

File Handle– Never use a File without a handle for safety purposes

180 Grit Sand Paper – Smooth Tool Marks out of Frame Rails

320 Grit Sand Paper – Smooth Tool Marks out of Frame Rails

Deburring the Frame

8″ Bastard Cut Mill File – Clean up the inside of the Frame

8″ Smooth Cut Mill File – Clean up the inside of the Frame

Brownells File Chalk – Used off camera to keep metal chips from filling up the file

Brownells Card File – Used off camera to clean the file

File Handle– Never use a File without a handle for safety purposes

Diamond Needle File – Clean up the holes

 


P320 80% Lower Parts Kit Install: 

Assembling the Safety Lever Housing

Pick – To install the Takedown Safety Lever Spring

Installing the Safety Lever Housing

5/64″ Punch – To hold the Housing into the frame

5/64″ Roll Pin Punch – To Install the Pin

Brownells Universal Pistol Armorers Block – (you can use a piece of 2X4 with holes drilled into it as well)

8 oz Ball Peen Hammer

Installing the Safety Lifter and Sear

Tweezers – Install Safety Lifter and Sear

1/8″ Punch – To install the Safety Liger Spring into the Frame

Installing the Takedown Safety Lever

Pick – Compress Spring

Brownells Universal Pistol Armorers Block – (you can use a piece of 2X4 with holes drilled into it as well)

Lyman Tapper Hammer – Drive the Trigger Stop Pin into the Frame

Installing the Trigger Bar and Trigger

Tweezers – Install Trigger Spring

Installing the Slide Catch Lever

Tweezers – Install the Slide Catch Lever Spring

Does it work?

Pencil