Turn Any AR-15 Into A 5.7×28 PDW (CMMG Mk57 Banshee Upper)
Looking for a product featured in this video? YouTube prevents us from posting links. Head over to our website to find what you’re looking for. Check out our second channel Outside The Warehouse: youtube.com/channel/UCE_ApAA6PIY59E6IDK-PBVg Facebook – https://facebook.com/ClassicFirearm Instagram – https://www.instagram.com/classicfirearms/ Twitter – https://twitter.com/ClassicFirearm Intro Song: “Issa Trap” by Mikey Geiger SOURCE