Description Reviews Looking to build an awesome 9MM handgun? This is a Polymer 80 Complete Build Kit w Glock Slide with RMR cut is a great self defense or range handgun. Highly customizable and comfortable. This kit includes: UPPER: Glock 19 Compatible Slide w/ RMR cut Glock Compatible 19 Upper Parts Kit Glock Compatible 19 Guide Rod 9MM 4″ Glock Compatible barrel LOWER: Polymer 80 PF940C™ 80% COMPACT PISTOL FRAME KIT Polymer 80 PF940C Jig Kit + Drill Bits Glock Compatible 19 Lower Parts Kit Where Can’t we ship? : Shipping to New Jersey, New York, Hawaii, Connecticut, Rhode Island and Washington D.C. is not possible due to state regulations against 80% lowers.