Rifle Trigger Group Rifle Trigger Group is an item. Used to make AK-47, Barrett M82A1 (.50 Cal), G36C and HK416 and 3 more.CraftingMade at Crafting tableTAny of Steel Ingot, Polymer Components×2XCopper Wire×1Used inAK-47Barrett M82A1 (.50 Cal)G36CHK416M16M4A1 with M203SIG516