r/gundeals•5 yr. agoPlini_the_Boomer[PARTS]CMMG Mk57 Rimfire Conversion Kit AR-15 25-Round Mag 22 Long Rifle SS- $131.61 before shipping/taxPartsmidwayusa.com/ltd/product?pid=909592midwayusa.comPosted Jul 11, 2021, 8:16 PM UTC11Share