These are recently removed and replaced with X versions.
The compact/carry top end is for the updated FCU’s. $300
The sub compact top end is for the non updated FCU’s. $250
Both top end barrels were changed out for the straight sided chamber verses the slant cut and also have the LCI notches, does not effect operation in regular slides. Both top ends are complete and ready for sliding onto an FCU/ frame
Both have night sights
look here for the differences from updated to non updated
www.sigsauer.com
The compact/carry top end is for the updated FCU’s. $300
The sub compact top end is for the non updated FCU’s. $250
Both top end barrels were changed out for the straight sided chamber verses the slant cut and also have the LCI notches, does not effect operation in regular slides. Both top ends are complete and ready for sliding onto an FCU/ frame
Both have night sights
look here for the differences from updated to non updated
P320 Voluntary Upgrade Program | SIG SAUER
The P320® Voluntary Upgrade Program is a SIG SAUER initiative to upgrade P320 pistols at no additional cost.
www.sigsauer.com
