- compatibility
- SIG P320 Full Size, Carry, Compact, M17, M18, and Flux Raider
- springRecommendation
- OEM Compact/Carry may need 14 lb; aftermarket or slide-cut slides typically need 14-18 lb, with a compatible guide rod
- ammunition
- 115-124 grain; maker recommends Blazer Brass FMJ
- breakIn
- 400-600 rounds for a new P320, per the maker
- kitContents
- One FRT component and two nylon spacers; one spacer is installed and one is a backup
- installationTools
- Bench block, 3/32-inch punch, 1/16-inch punch, and hammer
- installation
- Remove and disassemble the FCU; remove the original disconnector; reinstall the trigger, trigger bar, sear, and lever safety; fit the nylon spacer; install the FRT component where the disconnector was. The maker walkthrough instructs no filing, cutting, or drilling.