Lower Parts Kit for Sig P320


  • Fits the Sig P320
  • Fits 80% Sig Platforms – p80 PF320 and more
  • Drop in fit
  • Upgraded flat face trigger
  • Updated Drop Safe parts

In stock

What’s Included:

  • Lightweight Flat Faced Trigger
  • Sear Housing
  • Sear
  • Safety Lever
  • Trigger Bar
  • Takedown Safety Lever
  • Takedown Lever with O-Ring
  • Mechanical Disconnector
  • Trigger Bar Spring
  • Sear Spring X2
  • Takedown Safety Lever Spring
  • Sear Housing Pin
  • Trigger Bar Stop Pin
  • Sear Pin
  • Slide Catch Lever Pin
  • Safety Lever Pivot Pin

Cross Armory is proud to deliver on an upgraded and updated Sig P320 parts kit.  This is an upgraded kit with new drop-safe components.   There are no burs or defects which are common in “bargin / discount” kits, and we are proud to hold ourselves and this parts kit to a higher standard than all others.  The Cross Armory P320 Parts are compatible with any Sig p320 slide in 9mm, 40 S&W and 357 Sig.

These parts are perfect for a new build or re-fitting your existing Sig.


DISCLAIMER: “Sig Sauer” is a federally registered trademark of Sig Sauer, Inc. and is one of many trademarks owned by Sig Sauer, Inc. Cross Armory, nor this site are affiliated in any manner with, or otherwise endorsed by, Sig Sauer, Inc. The use of “Sig Sauer” on this page is merely to advertise the sale of Sig Sauer pistols, parts, or components. For additional genuine Sig Sauer, Inc. products and parts visit www.sigsauer.com.


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