Krytac Trident MKII with MKI receiver. YOU ALSO GET: all original Krytac MK2 parts (stock, receiver, rail, grip, etc.) Used in less than 5 games. Really good condition. Everything works. Daniel Defense 9.5 inch rail Daniel defense 10.3 outer barrel Trijicon MRO repo Magpul CTR stock Dummy PEQ box G&P stainless trigger BCM trigger guard BCM style grip Buyer pays shipping.