ZEV ESSENTIAL PARTS KIT OZ9 MBK The Essential Parts Kit for the O.Z-9 MBK includes all of the internal components necessary to assemble a complete O.Z-9 pistol with the purchase of an O.Z-9 MBK, ZEV stripped slide, ZEV trigger bar, ZEV barrel, ZEV guide rod and recoil spring, ZEV sights, ZEV O.Z-9 grip, and ZEV O.Z-9 magwell. Additionally the O.Z-9 MBK Essential Parts Kit includes a Glock tool kit with a punch and front sight tool to facilitate assembly and maintenance of your pistol. The O.Z-9 MBK parts kit includes the following components: ZEV Slide Backplate ZEV Skeletonized Striker ZEV PRO Striker Spring ZEV Firing Pin Safety ZEV Firing Pin Safety Spring ZEV Trigger Spring Glock Gen3 9mm Ejector Housing Glock Striker Sleeve Glock Spring Cups Glock Extractor Rod, Bearing, and Spring Fix it Stick Glock Tool Kit