Overwatch Precision PolyDAT Drop in Kit for Glock Gen 4 9mm - FDE

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

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

Precision Defense Striker Fired Handgun Lower Parts Kit - Fits GLOCK

Maple Leaf Firearms GLOCK OEM Upper Parts Kit - Fits GLOCK 43/43X/48 - Open Box

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

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 -Gold Anodized Excellence - CRG5OKGD