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Sig Sauer
The Sig Sauer Slide Completion Kit for P320 9mm and .357 Sig gives you the internal parts you need to finish a P320 slide project—whether you're rebuilding after wear, upgrading a stripped upper, or completing a custom build. This kit includes all the corrosion-resistant factory replacement components for the firing mechanism and slide structure, so you can bring your project to completion without sourcing parts piecemeal.
This is a serious gunsmith-level job: installation requires full disassembly beyond field-stripping, and Sig Sauer mandates that only certified Sig Sauer armorers handle installation. Improper assembly can cause malfunction, serious injury, or death. If you're not a certified armorer, plan to have a qualified gunsmith install this kit. The parts are designed to work only as a complete unit—substituting or omitting components voids reliability and your firearm's warranty.
The kit covers the firing pin assembly, extractor mechanism, and rear slide cap, giving you the core internal hardware needed to round out a P320 build. You'll still need to source your barrel, sights, and recoil assembly separately. Because these are factory Sig parts, you get the precision and durability Sig users expect—just make sure you have the expertise (or access to it) to install them correctly.
| Brand | Sig Sauer |
| Firearm Compatibility | Sig Sauer P320 (9mm and .357 Sig) |
| Kit Type | Slide completion parts |
| Material | Corrosion-resistant factory parts |
| Installation | Requires certified Sig Sauer armorer; full disassembly required |
Yes. Sig Sauer requires that only certified Sig Sauer armorers install this kit. Installation requires disassembly beyond field-stripping, and improper installation can cause malfunction, serious injury, or death. Any damage from incorrect installation is not covered by warranty, and Sig Sauer will charge for repairs.
This kit does not include barrel, sights, or recoil assembly. You'll need to source those separately to finish your build.
No. Sig Sauer requires that all parts in this kit be installed as a complete unit. Substituting any included parts may create incompatibility and lead to malfunction, serious injury, or death.
This kit is compatible with P320 slides in 9mm and .357 Sig.
Sig Sauer
The Sig Sauer Slide Completion Kit for P320 9mm and .357 Sig gives you the internal parts you need to finish a P320 slide project—whether you're rebuilding after wear, upgrading a stripped upper, or completing a custom build. This kit includes all the corrosion-resistant factory replacement components for the firing mechanism and slide structure, so you can bring your project to completion without sourcing parts piecemeal.
This is a serious gunsmith-level job: installation requires full disassembly beyond field-stripping, and Sig Sauer mandates that only certified Sig Sauer armorers handle installation. Improper assembly can cause malfunction, serious injury, or death. If you're not a certified armorer, plan to have a qualified gunsmith install this kit. The parts are designed to work only as a complete unit—substituting or omitting components voids reliability and your firearm's warranty.
The kit covers the firing pin assembly, extractor mechanism, and rear slide cap, giving you the core internal hardware needed to round out a P320 build. You'll still need to source your barrel, sights, and recoil assembly separately. Because these are factory Sig parts, you get the precision and durability Sig users expect—just make sure you have the expertise (or access to it) to install them correctly.
| Brand | Sig Sauer |
| Firearm Compatibility | Sig Sauer P320 (9mm and .357 Sig) |
| Kit Type | Slide completion parts |
| Material | Corrosion-resistant factory parts |
| Installation | Requires certified Sig Sauer armorer; full disassembly required |
Yes. Sig Sauer requires that only certified Sig Sauer armorers install this kit. Installation requires disassembly beyond field-stripping, and improper installation can cause malfunction, serious injury, or death. Any damage from incorrect installation is not covered by warranty, and Sig Sauer will charge for repairs.
This kit does not include barrel, sights, or recoil assembly. You'll need to source those separately to finish your build.
No. Sig Sauer requires that all parts in this kit be installed as a complete unit. Substituting any included parts may create incompatibility and lead to malfunction, serious injury, or death.
This kit is compatible with P320 slides in 9mm and .357 Sig.
