Upgrade your Sig Sauer P320 with the ABCSportZ TS-LPKSSP320 P320 9/40/357 Lower Parts Kit for Sig, featuring essential components from Sig's voluntary drop-safe recall. This kit is expertly designed for seamless compatibility with all upgraded Sig P320 slides in 9/40/357 calibers, ensuring reliable performance. Engineered from high-quality materials, this comprehensive kit provides performance-enhancing upgrades that elevate your firearm's functionality. Please note, this kit is not compatible with the .45 ACP Sig P320. 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 Note: The FCU is not included.