Krytac CRB Mark II - MK18 Build. Comes with everything pictured including stock parts. Buyer pays shipping. A lot of external upgrades - Daniel Defense RIS rail - Magpul CTR Stock - Daniel Defense 10.3 outer barrel - BCM style grip - Trijicon MRO - Mock PEQ-15 - Raptor style charging handle - G&P stainless trigger Ask for more pics or shooting vids.