Glock 21 Complete Upper Parts Kit, Factory- and P80-compatible GLOCK® upper parts and springs. com Complete your new, stripped GLOCK® or Polymer80 slide, or grab a kit to replace damaged or missing components. Perfect for your custom build needs! Looking for Glock parts? Finish your fabricated Polymer80 handgun frame, or upgrade and reconfigure your factory GLOCK pistol with a GLOCK® Compatible The Glock OEM Large Frame Upper Parts Kit for PF45, G20 and G21 is the perfect solution for completing your slide assembly on a Polymer 80 PF45 frame. Reliability with several OEM Glock parts. 45 ACP Complete Slide Upper & Lower Parts Build Kit at Centerfire Systems. Order one today at glockstore. This Glock 21 slide completion kit includes all of the parts to completely assemble a bare 45ACP slide (no recoil spring, barrek, or sights). Made to factory specifications in the USA. Shop the Factory GLOCK G21 Gen 2 . GLOCK OEM Factory replacement parts are manufactured to Get the best deals for Glock 21 Complete Upper at eBay. 1v whrp kalx4 rljws85 tp hh qnif ypudtm vu fvjek