1. Tools: You’ll need basic gunsmithing tools such as drills, punches, files, die grinder, jig. Sig80bitkits.com reached out to us and gave a 10% off coupon for drill bits kits on their site, code: P320BLDR-10%@SIG80BK. Jig can be rented for free from Weapons Guild. More info about Weapons Guild free jig rental program here https://p320builder.net/free-jig-loan/
  2. 80 % SIG P320 Frame : You can purchase this from our store.
  3. Grip module: You’ll need a P320 grip module compatible with the size and caliber you want. These can also be purchased from SIG Sauer or third-party manufacturers.
  4. Slide: The slide houses the barrel, recoil spring, and firing mechanism. You can buy a complete slide assembly from SIG Sauer or purchase individual components to assemble your own.
  5. Barrel: Choose a barrel appropriate for the caliber of your P320 build. SIG Sauer offers factory barrels, or you can explore aftermarket options for different lengths or materials.
  6. Recoil Spring and Guide Rod: This component helps absorb recoil and return the slide to battery after firing. Ensure compatibility with your chosen slide and barrel.
  7. Slide Parts: Includes components such as the extractor, striker assembly, and other small parts necessary for the functioning of the slide. Can be purchased individually from SIG here https://www.sigsauer.com/sig-sauer-small-parts-shoppers/p320-parts-picker/ or in an aftermarket kit check ebay for kits.
  8. Lower Parts Kit: Contains essential components like trigger assembly, trigger bar, sear assembly, and other internal parts needed for the functioning of the FCU. Can be purchased individually from SIG here https://www.sigsauer.com/sig-sauer-small-parts-shoppers/p320-parts-picker/ or in an aftermarket kits.
  9. Sights: Choose from factory sights or aftermarket options based on your preference for sight picture and use (e.g., target shooting, self-defense).