Lantac Ultimate Spring Kit for Glock 17/19 Compatible - 4lb

Cross Armory 3-Piece Upgrade Kit for Glock 17/19/22 Gen4 - Black Anodized Performance - CRG4OKBK

ZEV SPRSTARTKITPRO Starter Spring Kit Pro Glock Handgun

Cross Armory 3-Piece Upgrade Kit for Glock 17/19/22 Gen4 -Red Anodized Precision - CRG4OKRD

Cross Armory 3-Piece Upgrade Kit for Glock 17/19/26/34 Gen5, Blue Anodized - CRG5OKBL

Cross Armory 3-Piece Upgrade Kit for Glock 17/19/26/34 Gen5 -Silver Anodized Precision - CRG5OKSV

Enhance Glock 17/19/26/34 Gen5 with Cross Armory 3-Piece Upgrade Kit -Red Anodized - CRG5OKRD

Wilson Combat 1911 Custom Tune Spring Kit, Officer's - 325