The Mammoth Arms 9c optic ready slide is a glock 19 gen 3 style complete slide with front and rear slide serrations, Trijicon RMR foorprint, red fiber optic front and black rear sights with stainless steel, recessed crown barrel. The Kiger-9c Assembled Frame features an undercut trigger guard, an under barrel picatinny rail, extended beaver tail and a beveled magazine well with integrated debris channels.