LCT Airsoft have shared details of their PK-408 LCK-19 grip with trigger guard:
PK-408 LCK-19 Grip with Trigger Guard Feat. PK-299 LCK-9 Tactical Lower Handguard
Different look, different taste.
Please do not hesitate to contact LCT dealers if you need further information
http://www.lctairsoft.com/webe/html/dealer/index.aspx
LCT Airsoft