JE Machine Tech P320 9/40/357 Lower Parts Kit for Sig Sauer

P320 9/40/357 Lower Parts Kit for Sig Sauer (TS-LPKSSP320)

(No reviews yet) Write a Review
Now $129.99
Was $219.99

This complete lower parts kit includes all the upgraded pieces from Sigs' voluntary drop-safe recall.  This kit is completely compatible with any upgraded Sig P320 slide in 9/40/357.  This kit will not work with the .45 ACP Sig P320 or a .45 80% build as there are a few pieces that are different.

Includes the following pieces:

  • Lightweight Adverse 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

*The FCU is not included.


“SIG SAUER”, "SIG", "P320" is a federally registered trademark of SIG SAUER, Inc. and is one of many trademarks owned by SIG SAUER, Inc. Neither JE Machine Tech 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